Document DZNnLXv44qVZyJnjGj89mRQd
AUSTIN if
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TEXAS AIR CONTROL BOARD
+..... -=j| MEMORANDUM
-......-
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il TEXAS il
TO:
Interested parties
FROM:
Effects Evaluation staff
DATE:
June 22, 1992 (Replace the August 1, 1991 List)
SUBJECT: List of Effects Screening Levels (ESLs)
Attached is the latest update of the list of ESLs -curr&ntly used by the TACB Effects Evaluation staff in its evaluation of the impacts of various air contaminants. These screening levels are based on data concerning health effects, odor nuisance potential, vegetation effects, or corrosion effects. The ESLs on the list are based on health effects unless followed by "(o)", "(v)", or "(c)" (for odor nuisance, vegetation damage, or corrosion of materials, respec tively) . If the ESL of an air contaminant is based on odor threshold and is less than the annual average ESL based on health (denoted by an asterisk in the annual average column), it is not necessary to evaluate the annual average impacts of such chemical.
Remember that these screening levels are just "tools" the Health
Effects Section uses to evaluate the impacts of air pollutant
emissions. They are not ambient air standards. If predicted or
measured airborne levels of a certain chemical do not exceed its
screening level, we do not expect any adverse health or welfare
effects.
If ambient levels of air contain inants exceed the
screening levels this does not necessarily mean there is a problem.
It is just an indication that further review will be required.
This list incorporates some effects screening levels which have been derived by the Effects Evaluation staff. These are compounds for which there are no currently published occupational exposure standards or guidelines and are followed by a "D". Please note that some compounds' ESL have been changed or newly derived since the August 1, 1991 ESLs List. These compounds and the relative ESLs are printed in boldface. The 30-minute ESLs also can be used for the l-hour ESLs. The 24-hour average ESLs can be obtained by multiplying a ratio of 0.4 to the relative 30-minute ESLs. If you cannot find a listing for a particular chemical, this does not mean that no health effects evaluation is required. Also note that these screening levels are subject to change without notice. To find out if a screening level has been established for a chemical or to be sure of the most current screening level, please check with the Effects Evaluation staff. Before you call us, please check synonyms & Chemical Abstract Service Registry numbers (CAS No.) to make sure the chemical you are interested in is not listed.
cc: Manuel Agiurre, JAW, MW, LCS, NG, LCH, RJT, JSL, File, Board.
ASARCO ELP 0001049
FOOTNOTES
* 30-minute or l-hour average ESL less than annual average ESL ** Disaster potential chemical D Health ESLs derived by Effects Evaluation staff E ESLs based on Effects Evaluation staff's justification M Health ESLs based on the 1989 Maximum Concentration Values in
the Workplace (MAKs) from the Deutsche Forschungsgemeinschaft (DFG), Federal Republic of Germany N Health ESLs based on the 1989 Recommended Exposure Limits (RELs) from the U.S. National Institute for Occupational Safety and Health (NIOSH) 0 Health ESLs based on the 1989 amended Permissible Exposure Limits (PELS) from the U.S. Occupational Safety and Health Administration (OSHA) T Health ESLs based on the 1991-92 Chemical Substances Threshold Limit Values (TLVs) from the American Conference of Governmental Industrial Hygienists (ACGIH) (PM) denotes particulate matter form, the respirable fraction of PM consists of those particles with particle sizes that are equal to or below the median cut point of 4.0 /im. (c) denotes that annual ESL is set to protect against corrosion damage (o)r denotes that 30-minute or 1-hour ESL is based on odor threshold (v) denotes that 30-minute or l-hour ESL is based on effects on vegetation
ASARCO ELP 0001050
EFFECTS SCREENING LEVELS FOR VARIOUS CHEMICALS (June 22, 1992)
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or 1-hour
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
75-07-0 60-35-5 64-19-7 108-24-7 21287-97-3 67-64-1 75-86-5 75-05-8 74-86-2
540-59-0
79-27-6 50-78-2 260-94-6
107-02-8 79-06-1 79-10-7 141-32-2 140-88-5 96-33-3 107-13-1 281-23-2 107-13-1 309-00-2 68239-06-5
107-18-6 107-11-9 107-05-1 106-92-3 2179-59-1 7539-12-0
acetaldehyde acetamide
90 (50) 320 (132)
* 32 (13)
(o) D
acetic acid
250'(100)
25 (10) N, T, 0
acetic anhydride
200 (50)
20 (5)
T, 0
acetoacetoxyethyl methacrylate 2000 (230) 200 (23)
D
acetone
5900 (2500) 590 (250)
N
acetone cyanohydrin
40 (10)
4 (1)
N
acetonitrile
340 (200)
34 (20)
N
acetylene
26620
2660
N
(25000)
(2500)
acetylene dichloride
7930 (2000) 790(200) N,T,0,M
(1,2-dichloroethylene)
acetylene tetrabromide
140 (10)
14 (1)
T, 0
acetylsalicylic acid (aspirin) 50 (PM)
5
N, T, 0
acridine (dibenzo[b,e]pyridine) 0.5
.05
E
[also see coal tar pitch volatiles]
acrolein**
2.3 (1)
.23 (.1)
T
acrylamide
.3 .03 N,T,0
acrylic acid
60 (20)
6 (2)
N,T
acrylic acid, n-butyl ester 550 (100) 55 (10)
M
acrylic acid, ethyl ester
200 (50)
20 (5)
M
acrylic acid, methyl ester
180 (50)
18 (5)
M
acrylonitrile
43 (20)
4 (2)
T, 0
adamantane (sym-tricyclodecane) 3850 (692) 385 (69)
D
adiponitrile
180 (40)
18 (4)
N
Aldrin
2.5- (PM)
.25 N, T,0,M
aliphatic diisocyanate
.25
.025
D
(see dimeryl diisocyanate)
alkanes not otherwise specified iooo ppb
100 pbb
D
alkyl phenol, c-12
860
86
D
alkyl phenol, C-20
1150
115
D
alkyl phenol ethoxylate
1000
100
D
(see nonylphenyl ethoxylate)
allyl alcohol
48 (20)
5 (2) N, T, 0, M
allylamine
12 (5)
1 (.5)
D
allyl chloride** allyl glycidyl ether (AGE)
30 (10) 225 (50)
3 (1) 23 (5)
N,T,0 N,T,0
allyl propyl disulfide
120 (20)
12 (2) N, T,0,M
allyl succinic anhydride
6 (1)
.6 (.1)
D
1
ASARCO ELP 0001051
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/mJ(ppb)
30-minute annual or 1-hour
1344-28-1 7429-90-5
141-43-5 111-41-1
123-00-2 504-29-0 462-08-8 504-24-5 61-82-5
7664-41-7 12125-02-9 3825-26-1 7773-06-0 7783-20-2 628-63-7 628-38-0 110-53-2 109-67-1 110-66-7 628-80-8 994-05-8 80-46-6
872-10-6 62-53-3 29191-52-4 20-12-7 7440-36-0 1309-64-4 86-88-4 7440-37-1 64742-95-6
64742-94-5 64742-94-5 7440-38-2
7784-42-1
alumina aluminum, metal and oxide
pyro powders, welding fumes alkyls and soluble salts amino-3-aminomethyl-3,3,5trimethylcyclohexane aminoethanol (ethanolamine) aminoethylethanolamine (hydroxyethyl ethylenediamine) aminopropyl morpholine, 4aminopyridine, 2aminopyridine,13aminopyridine, 4amino-1,2,4-triazole, 3(Amitrole) ammonia** ammonium chloride fume ammonium perfluoroctanate ammonium sulfamate (Ammate) ammonium sulfate amyl acetate, namyl acetate, secamyl bromide amylene, l- (1-pentene) amyl mercaptan amyl methyl ether, namyl methyl ether, tert- (TAME) amylphenol, p-tert-, vapor
amyl sulfide aniline anisidine, o-, p- isomers anthracene antimony, as Sb antimony trioxide ANTU (a-naphthylthiourea) argon Aromatic 100 (see trimethyl benzene) Aromatic 150 Aromatic 200 arsenic and compounds
arsine
see aluminum oxide
50 5
50 5
20 2
375 (50)
38 (5)
N,0 N,T,0 N,T,0
D
75 (30) 640 (150)
7.5 (3) N,T,0,M
64 (15)
D
1650(280) 20 (5) 15 (3.8) 2.5 (.7) 2
165(28)
D
2 (.5) N,T,0,M
1.5 (.38)
D
.25 (.07)
D
.2 N,T,0,M
170 (250)
17 (25)
N,T
100
10 N,T,0
1 .1 T
50 (resp) 5
N,0
50 (PM) 27 (5) (O) 11 (2) (o)
5 *
*
D
250 (40) 90 (30)
25 (4) *
D
0.1 (.02)
*
(o)
670(160)(o) 270(65)
D
670(160)(O) 270(65)
D
700 (100) 70 (10)
D
35 (PM)
3.5
D
.2 (.3) ' *
(o)
76 (20)
7.6 (2) N,T,0
5 (1)
.5 (.1) N,T,0,M
0.5
0.05
E
5 (PM)
.5 N,T,0,M
5 (PM)
.5
T
3 .3 N,T,0,M
simple asphyxiant
1230 (250) 123 (25)
D
2560 (455) 4200 (620) 5 (organic) .1 (inorg) 1.6 (.5)
256 (46) 420 (62) .5 .01 .16 (.05)
D D 0, E 0,E T,0
2
ASARCO ELP 0001052
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Aig/m3(ppb)
30-minute annual or l-hour
17068-78-9
8052-42-4
1912-24-9 86-50-0
asbestos (fibers/cc) (Mg/m3)
asphalt, vapors particulate fraction
Atrazine Azinphos-methyl
.001 .03 350 (135) 50 50 2
.0001
N
.003
35 (13.,5)
D
5T
5 N,T,0
.2 N,T,0,M
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
7440-39-3 7727-43-7 68359-37-5
17804-35-2 98-87-3 71-43-2 95-14-7 8032-32-4
205-99-2
100-47-0 50-32-8 95-14-7 98-88-4 94-36-0 140-14-4 100-51-6 100-44-7 98-87-3
7440-41-7 121-46-0 82657-04-3 92-52-4 111-44-4
542-88-1 1304-82-1
80-05-7
barium & compounds, as Ba
5
.5 N,T,0,M
barium sulfate (PM)
50 (resp)
5
N, 0
Baythroid
50 (PM)
5
D
(cyfluthrin, also see pyrethrum)
Beech wood dust
10 1 N,T
Benomyl (PM)
50 (resp) 5
0
benzal chloride
20 (3)
2 (.3)
D
benzene
30 (10)
benzene azimide (benzotriazole) 100 (20)
3 (1) 10 (2)
0 D
benzine
3500 (875) 350 (88)
N
(light petroleum distillate; VM&P naphtha)
benzo[b]fluoranthene
.5 .05 E
(see coal tar pitch volatiles)
benzonitrile
505 (120)
51 (12)
D
benzo[a]pyrene
.03 (PM)
.003
D
benzotriazole (benzene azimide) 100 (20)
benzoyl chloride
60 (10)
10 (2) 6 (1)
D D
benzoyl peroxide
50 5 N,T,0,M
benzyl acetate
600 (100)
60 (10)
D
benzyl alcohol
500 (110)
50 (11)
D
benzyl chloride
50 (10)
5 (1)
T, 0
benzyl dichloride
20 (3)
2 (.3)
D
(benzal chloride)
beryllium and compounds
see TACB Reg III
bicycloheptadiene
2000
200
D
Bifenthrin
25 2.5 D
biphenyl
2.3 (o)
1.3
T
bis(chloroethy1) ether
290 (50)
29 (5) N,T,0,M
(dichloroethyl ether)
bis(chloromethy1) ether
.05 (,01)
.005 (. 001) D
bismuth telluride
100 (PM)
10
N,T
resp. fraction
50 5
N
selenium-doped
50 5 N, T, 0
bisphenol A
800 (vapor) 80
D
40 (PM)
4
D
ASARCO ELP 0001053
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Atg/m3(ppb)
30-minute annual or 1-hour
68475-96-0
1330-43-4 11130-12-4 1303-96-4 10043-35-3 1303-86-2 10294-33-4 7637-07-2 99-30-9
314-40-9 7726-95-6 7789-30-2 109-70-6 74-97-5
74-96-4 75-25-2 106-99-0 106-97-8 109-79-5 78-93-3
111-76-2
123-86-4 105-4.6-4 540-88-5 141-32-2 71-36-3 78-92-2 75-65-0 109-73-9 13952-84-6 75-64-9 85-68-7 128-37-0 109-69-3 1189-85-1
584-03-2 107-88-0 110-63-4
Black Grit (Boiler Slag)
50 (PM)
5
0
borates, tetra. sodium salts:
anhydrous pentahydrate decahydrate
10 1 N,T 10 1 N,T 50 5 N,T
boric acid
10 1
D
boron oxide boron tribromide
50 (resp) 100~'<10)
5 10 (1)
N, 0 N,T,0
boron trifluoride
see TACB Reg III
Botran 75W
100
10
D
(2/6-dichloro-4-nitroaniline)
Bromacil
100 (10)
10 (1)
N,T,0
bromine** bromine pentafluoride
6.6 (1)
.66(.1)
see TACB Reg III
N,T,0
bromo-3-chloropropane, 1-
.5 (.075)
.05 (.0075) D
bromochloromethane
1680 (O)
1060
T
(chlorobromomethane)
(320)
(200)
bromoethane
8900 (2000) 890 (200)
M
bromoform
52 (5)
5 (.5)
N,T,0
butadiene, 1,3-
110 (50)
11 (5)
E
butane
19000 (8000) 1900 (800) N,T,0
butanethiol (butyl mercaptan)
1.8 (5)(o) 1.8 (.5) N, T, O
butanone (methyl ethyl ketone) 3900 (O)
590
T,M
(1320)
(200)
butoxyethanol
1210 (250) 121 (25) N,T, 0
(ethylene glycol monobutyl ether)
butyl acetate, n-
1850 (391)(o) 710 (150) N,T,0
butyl acetate, sec-
9500 (2000) 950 (200) NTOM
butyl acetate, tert-
19 (4)
*
o -OSHA
butyl acrylate
183 (35)(O) 52 (10)
NTOM
butyl alcohol, n-
1220 (407)(O) 150 (50) N,T,0
butyl alcohol, sec-
3000 (1000) 300 (100) NTOM
butyl alcohol, tert-
3000 (1000) 300 (100) NTOM
butylamine, nbutylamine, sec-
150 (50) 150 (50)
15 (5) N, t,o,m
15 (5)
M
butylamine, tert-
12 (4)
1.2 (.4)
D
butyl benzyl phthalate (BBP)
50 (PM)
5
D
butylated hydroxytoluene (BHT) 100
10 N,T,0
butyl chloride, n-
3335(886)(o) 440 (117)
D
butyl chromate, tert-
.1 .01 E
(as Cr03)
butylene glycol, 1,2-
2100 (570) 210 (57)
D
butylene glycol, 1,3-
4400 (1195) 440 (120)
D
butylene glycol, 1,4-
500 (136) 50 (14)
D
4
ASARCO ELP 0001054
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or 1-hour
513-85-9 106-88-7 2426-08-6 7397-62-8 75-91-2 111-36-4 138-22-7 109-79-5 97-88-1 614-45-9 99-71-8 89-72-5 98-54-4 98-51-1
98-19-1
123-72-8 616-45-5
96-48-0 109-74-0
butylene glycol, 2,3butylene oxide butyl glycidyl ether (BGE) butyl glycolate butyl hydroperoxide, tertbutyl isocyanate butyl lactate butyl mercaptan, nbutyl methacrylate butyl peroxybenzoate, tertbutylphenol, p-secbutylphenol, o-secbutylphenol, p-tertbutyltoluene, p-tertbutyltoluene diamine, tertbutyl-m-xylene, tert(see Aromatics ISO) butyraldehyde butyrolactam, gamma{2-pyrrolidone) butyrolactone, gammabutyronitrile
1400 (380) 206 (70)(O) 266 (50) 270 (50) 35 (10) 9 (2.2) 300 (50) 1.8 (.5) 6970''(1200) 15 (2) 130 (21) 310 (50) 5 (.8) 610 (100) 70 (10) 3300 (500)
140 (38)
D
50 (17)
D
27 (5)
N
27 (5)
D
3.5 (1)
D
.9 (.22)
D
30 (5)
N,T,0
1.8 (.5)
(O)
697 (120)
D
1.5 (.2)
D
13 (2.1)
0
31 (5)
N, T, 0
.5 (.08)
M
61 (10) N,rT,0,M
7 (1)
D
330 (50)
D
14 (5) (o) 70
* 7
D
2800 (800) 280 (80)
220 (80)
22 (8)
D N
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
7440-43-9 7778-44-1 1317-65-3
13765-19-0 156-62-7 1305-62-0 1305-78-8 1344-95-2 7778-18-9
5794-03-6 76-22-2 105-60-2 105-60-2 2425-06-1 133-06-2 63-25-2 1563-66-2
cadmium & compounds, as Cd calcium arsenate (as As) calcium carbonate (marble)
calcium chromate (as Cr) calcium cyanamide calcium hydroxide calcium oxide calcium silicate, synthetic calcium sulfate (gypsum)
camphene (see camphor) camphor, synthetic caprolactam dust caprolactam vapor Captafol Captan Carbary1 carbofuran
.1 .1 100 (total) 50 (resp) .1 5 50 20 100 100 (total) 50 (resp)
.01 .01 10 5 .01 .5 5 2 10 10 5
N, E 0, E N,T N,0
E N,T,0 N, T, 0
N,T T
N,T N, 0
20 10 10 (2.2) 1 50 50 1
2 N, 0
1 N,T,0
1 ( 22)
N
.1 N, T, 0
5 N,T,0
5 N,T,0,M
.1 N,T,0
5
ASARCO ELP 0001055
CAS No
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or l-hour
1333-86-4
124-38-9
75-15-0 630-08-0 558-13-4 56-23-5 75-44-5 353-50-4 463-58-1 120-80-9 9004-34-6
21351-79-1 2917-26-2 57-74-9 143-50-0 8001-35-2
31242-93-0 7782-50-5 10049-04-4 7790-91-2 107-20-0 78-95-5 532-27-4 79-04-9 108-4.2-9 106-47-8 95-51-2 108-90-7 104-83-6 2698-41-1
74-97-5 1126-99-8
59-50-7 75-68-3
74-45-6
53469-21-9 11097-69-1
carbon black, in presence of PAHs
carbon dioxide
carbon disulfide** carbon monoxide carbon tetrabromide carbon tetrachloride carbonyl chloride** (phosgene) carbonyl fluoride carbonyl sulfide catechol cellulose
cesium hydroxide cetylmercaptan Chlordane chlordecone (Kepone) chlorinated camphene (Toxaphene) chlorinated diphenyl oxide chlorine** chlorine dioxide chlorine trifluoride chloroacetaldehyde chloroacetone chloroacetophenone chloroacetyl chloride chloroaniline, mchloroaniline, pchloroaniline, ochlorobenzene chlorobenzyl chloride chlorobenzylidene malono-
nitrile, ochlorobromomethane chloro-l,3-butadiene, 2(G-chloroprene) chlorocresol chlorodifluoroethane (Freon 142B) chlorodifluoromethane (Freon 22) chlorodiphenyl,42% Cl2 (PCBs) chlorodiphenyl,54% Cl2 (PCBs)
35
3.5
N,T,0
1 .1 N
90000
9000
N,0,M
(50000)
(5000)
30 (10)
3 (1)
N
must meet NAAQS
14 (1)
1.4 (.1) N,T,0
126 (20)
13 (2)
N,0
4 il)
.4 (.1) N,T,0,M
54 (20)
5 (2)
N,T,0
8 (3)
.8 (.3)
D
230 (50)
23 (5)
N,T,0
100 (total) 10
N, T
50 (resp) 5
N, 0
20 2 N,T,0
53 (5)
5 (.5)
N
5 .5 N,T,0,M
.01
.001
N
5 .5 T,0,M
5 .5 N,T,0,M
15 (5)
1.5 (.5) N,T,0,M
2.8 (1)
.3 (.1) N,T,0,M
see TACB Reg III
32 (10)
3 (1) N,T,0,M
38 (10)
4 (1)
T
3.2 (.5)
.3 (.05) N, T, 0
2.3 (.5)
.23 (.05) N,T,0
31 (6)
3.1 (.6)
D
53 (10)
5.3 (1)
D
53 (10)
5.3 (1)
D
460 (100) 46 (10)
T
26 (4)
2.6 (.4)
D
4 (.5)
.4 (.05) N,T,0
10600(2000) 1060 (200)
36 (10)
3.6 (1)
20 (o) 61700 (18750) 18000 (5000) .1 .1
:k
6170 (1875) 1800 (500) .01 .01
T N
D M E E
6
ASARCO ELP 0001056
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL /ig/m3(ppb)
30-minute annual or 1-hour
106-89-8
75-00-3 107-07-3
75-01-4 67-66-3
542-88-1 107-30-2 600-25-9 76-15-3
95-57-8 108-43-0 106-47-9 76-06-2 126-99-8 598-78-7 2039-87-4 1897-45-6 95-49-8
1929-82-4
2921-88-2 7738-94-5
7440-47-3 7440-47-3
1333-82-0 14977-61-8 218-01-9 2971-90-6
8007-45-2 65996-92-1 8030-30-6
8001-58-9
chloro-2,3-epoxypropane
3.8 (1)
(epichlorohydrin)
chloroethane
500(190)
chloroethanol, 2-
33 (10)
(ethylene chlorohydrin)
chloroethylene (vinyl chloride) 130 (50)
chloroform
100 (20)
chloroglycerin
50 (11)
chloromethyl ether, bis-
.047'(.01)
chloromethyl methyl ether
.5
chloronitropropane
100 (20)
chloropentafluoroethane
63200
(10000)
chlorophenol,o-
2(.36)(o)
chlorophenol, m-
19(3.6)(o)
chlorophenol, p-
300(57)
chloropicrin
7 (1)
JJ-chloroprene
36 (10)
chloropropionic acid
4.4 (1)
chlorostyrene, o-
2850 (500)
Chlorothalonil
15
chlorotoluene, o-
235 (O)
chlorotrifluoromethylphenoxy- 300
toluene
2-chloro-6-(trichloromethyl)- 50 (resp)
pyridine (Nitrapyrin)
Chlorpyrifos (Dursban)
2
chromic acid (H2Cr04)
.1
& chromate (Cr04'2)
chromium (VI) compounds, as Cr . 1
chromium (II) & (III) cpds,
1
chromium metal, as Cr
chromium trioxide (Cr03) , as Cr .1
chromyl chloride
.1
chrysene
.5
Clopidol
100 (PM)
50 (resp)
coal dust, respirable
(<5% silica)
20
(>5% silica)(see quartz)
1
coal tar [also 65996-89-6]
1
coal tar distillate
3500 (875)
coal tar naphtha
3500 (875)
(petroleum distillates, naphtha)
coal tar oil (creosote)
1
.38 (.1)
T
50(19)
E
3.3 (1) N,iT,0,M
13 (5)
T
10 (2)
0
5 (1)
D
.0047 (.001) T
.05 D
10 (2)
N,T,0
6320
N, T, 0
(1000) *
k
30(5.7)
D
.7 (.1) N, T,0,M
3.6 (1)
N
0.44 (.1)
T
285 (50) N, T, 0
1.5 *
D
30 D
50
.2 N,T,0 .01 E
.01 E .1 E
.01 .01 .05 10 5
E E M N,T
2 .1 .1 350 350
(88) (88)
T, 0 T, 0
N N N
.1 N
7
ASARCO ELP 0001057
ss si-a 3 3 o o o o
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or l-hour
65996-93-2
7440-48-4 10210-68-1 16842-03-8
7440-50-8 7440-50-8
8001-58-9 1319-77-3
4170-30-3 299-86-5 98-82-8 80-15-9 420-04-2 143-33-9 151-50-8 460-19-5 506-68-3 506-77-4 204-62-2 1724-39-6 830-13-7 291-64-5 110-82-7 108-93-0 108-94-1 110-83-8 108-91-8 3173-53-3 1569-69-3 121-82-4 29965-97-7 292-64-8 542-92-7 287-92-3 120-92-3 68359-37-5 13121-70-5 99-87-6 66841-24-5
coal tar pitch volatiles
.5
.05
E
(assume the fraction of benzo[a]pyrene not exceed 10% of
total PPAH)
cobalt, metal dust & fume
.5
.05
N,T
cobalt carbonyl
1 .1 N, T
cobalt hydrocarbonyl
1 .1 N, T
coke oven emissions
1.5
.15
copper fume
1 .1 N,0
copper dusts & mists
10..
1 N, T, 0
cotton dust, raw
2 .2
creosote (coal tar oil)
1
.1
cresol (cresylic acid),
5(1.1)(O)
10 (2 3)
mixed isomers
[also any isomers: 108-39-4; 95-48-4; 106-44-5]
crotonaldehyde
60 (20)
6 (2)
N, T, 0
Cruformate
50 5 N, T, 0
cumene
500(100)(o) 245 (50)
cumene hydroperoxide
25 (4.4)
2.5 (.44)
D
cyanamide
20 2 N, T, 0
cyanide, potassium
50 5 T,0,M
cyanide, sodium
50 5 T,0,M
cyanogen
210 (100)
21 (10) N,rT,0,M
cyanogen bromide
2.5 (.6)
.25 (.06)
D
cyanogen chloride
.6 (.3)
.06 (.03)
N
cyclododecane
5150 (750) 515 (75)
D
cyclododecanol
9800 (1300) 980 (130)
D
cyclododecanone
1600 (150) 160 (15)
D
cycloheptane
3400 (850) 340 (85)
D
cyclohexane
1435 (O)
340
cyclohexanol
613 (153)(o) 200 (50)
cyclohexanone
481 (120)(O) 100 (25)
cyclohexene
600 (178)(o) *
cyclohexylamine
80 (20)
8 (2)
E
cyclohexyl isocyanate
20 (4)
2 (,.4)
D
cyclohexylmercaptan
24 (5)
2.4 (.5)
N
cyclonite
15
1.5
N,T,0
cyclooctadiene
2000 (470) 200 (47)
D
cyclooctane
3500 (750) 350 (75)
D
cyclopentadiene
2030 (750) 203 (75) N,T,0,M
cyclopentane cyclopentanone
3400 (1190) 340 (119) 1700 (500) 170 (50)
D D
cyfluthrin (Baythroid)
50(PM)
5
D
Cyhexatin
50 5 N,T,0
cymene, p- (p-methyl cumene)
2745 (500) 275 (50)
D
Cypermethrin (see pyrethrum)
50
5*
D
8
ASARCO ELP 0001058
O 5s S O
CAS No
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or l-hour
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
39515-41-8
94-75-7 50-29-3 75-99-0 17702-41-9 143-10-2
Danitol (Fenpropathrin) (see Pyrethrum)
2,4-D (Dichlorophenoxyacetic acid)
DDT (Dichlorodiphenyltrichloroethane)
Dalapon (2,2-dichloropropionic acid
decaborane decyl mercaptan
50(PM) 100 1 58 (10)
2.5 (.5) 36 (5)
5D
10 N,T,0,M
.1 N
5.8 (1) N,T,0,M
.25 (.05) N,T,0
3.6 (.5)
N
8022-00-2 8065-48-3 123-42-2 56-18-8
107-15-3
61790-53-2
333-41-5 334-88-3 260-94-6
19287-45-7 300-76-5 96-12-8 106-93-4
102-81-8 105-76-0 2528-36-1 107-66-4 84-74-2 7572-29-4 95-82-9 95-76-1 541-73-1 95-50-1 106-46-7 28577-62-0 760-23-6 7415-31-8
demethon-methyl
50 (5)
Demeton
1 (.1)
diacetone alcohol
1328 (279)
diaminodipropylamine, 3,3'-
60 (11)
(dipropylene triamine)
diaminoethane, 1,2-
250 (100)
(ethylenediamine)
diatomaceous earth
60
(si1ica-amorphous)
Diazinon
1
diazomethane
3.4 (2)
dibenzo[b,ejpyridine (acridine) .5
[also see coal tar pitch volatiles]
diborane
1.1 (1)
dibrom
30(PM)
dibromochloropropane (DBCP)
.1 (.01)
dibromoethane, 1,2-
3.8 (.5)
(ethylene dibromide)
dibutylaminoethanol
140 (20)
dibutyl maleate (DBM)
2600 (280)
dibutyl phenyl phosphate
35 (3)
dibutyl phosphate
86 (10)
dibutyl phthalate
50 (PM)
dichloroacetylene
3.9 (1)
dichloroaniline, 2,5-
210(32)
dichloroaniline, 3,4-
80(12)
dichlorobenzene, m-
2500 (415)
dichlorobenzene, o-
1500 (250)
dichlorobenzene, p-
600 (100)
dichlorobutadiene
165
dichloro-i-butene, 3,4-
135 (26)
dichloro-2-butene, 1,3-
56 (11)
[also 926-57-8]
5 (.5) .1 (.01) 238 (50) 6 (1)
M N,T,0
(o) D
25 (10) N,T,0,M
6N
.1 .34 (.2) .05
N,T,0 N,T,0
E
.11 (.1) N,T,0,M
3M
.01 (.001) 0
.38 (.05)
N
14 (2)
N,T,0
260 (28)
D
3.5 (.3)
T
8.6 (1)
T
5 N,T,0
.39 (.1) N,T,0
21(3.2)
D
8(1.2)
D
250 (42)
D
150 (25)
T
60 (10)
T
17 D
14 (2.6)
D
5.6 (1.1)
D
9
ASARCO ELP 0001059
CAS NO.
SUBSTANCE
EFFECTS SCREENING LEVEL
Mg/m3 (ppb) 30-minute annual or 1-hour
764-41-0 75-71-8
118-52-5 75-34-3 107-06-2
75-35-4
540-59-0 111-44-4 75-43-4
96-23-1 542-88-1
75-09-2
676-97-1 99-30-9
594-72-9 120-83-2 87-65-0 78-87-5
542-7-5-6 709-98-8
75-99-0
76-14-2
62-73-7 141-66-2 5124-30-1
77-73-6 102-54-5 60-57-1 68334-30-5
111-42-2
dichloro-2-butene, 1,4dichlorodifluoromethane (Freon 12) dichlorodimethylhydantoin dichloroethane, 1,1dichloroethane, 1,2(ethylene dichloride) dichloroethylene, 1,1(vinylidene chloride) dichloroethylene, 1,2dichloroethyl ether dichlorofluoromethane (Freon 21) dichlorohydrin dichloromethyl ether (bis(chloromethyl) ether] dichloromethane (methylene chloride) dichloromethyl phosphine oxide dichloro-4-nitroaniline, 2,6(Botran 75W) dichloronitrobenzene,
all isomers dichloro-l-nitroethane, 1,1dichlorophenol, 2,4dichlorophenol, 2,6dichloropropane, 1,2(propylene dichloride) dichloropropene, 1,3dichloropropionanilide (Propanil) dichloropropionic acid, 2,2-
(Dalapon) dichlorotetrafluoroethane (Freon 114) Dichlorvos (DDVP) Dicrotophos dicyclohexylmethane-4,4'-
diisocyanate dicyclopentadiene dicyclopentadienyl iron Dieldrin diesel fuel combustion products
diethanolamine
6 (1.2) 49500 (10000) 2 4000 (1000) 40 (10)
40 (10)
7930 (2000) 290 (50) 420 (100)
130 (25) .05
260 (75)
3 100
9
120 (20) 525 20 1150(0) (250) 45 (10) 15 (PH)
58 (10)
69900 (10000) 9 (1) 2.5 .55
31 (6) 50 (resp) 2.5 90 (vapor) 10 (PM) 130 (30)
.6 (.12)
D
4950 N,T,0,M
(1000)
.2 N,T,0
400 (100) NTOM
4 (1)
N,0
4 (1)
0
790 (200) NTOM 29 (5) N,T,0,M 42 (10) N,T,0,M
13 (2.5) .005
D D
26 (7.5)
E
.3 D 10 D
.9 D
12 (2) 53
* 350 (75) 4.5 (1) 1.5
N,T,0 D
(O) T,0,M
N,T,0 D
5.8 (1) N,T,0,M
6990 N,T,0,M
(1000)
.9 (.1) N,T,0,M
.25 N,T,0
.055
D
27 (5) 5 .25 9 1 13 (3)
(O) N,0 N,T,0,M
D D N,T,0
10
ASARCO ELP 0001060
QQ OQ O OQ OQQS O DSQ
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or l-hour
109-89-7 100-37-8 25340-17-4 111-90-0
111-40-0 3710-84-7 60-29-7 117-81-7
96-22-0 2524-04-1
84-66-2 64-67-5 105-55-5 75-61-6
2238-07-5 929-06-6 123-31-9 110-96-3 108-82-7
108-83-8 84-69-5
110-97-4 108-18-9 68239-06-5 110-71-4
109-87-5
127-19-5 124-40-3 1300-73-8 108-01-0 1704-62-7 121-69-7 1330-20-7 75-83-2
diethylamine
179 (60)(o) 30 (10)
diethylaminoethano-l
55 (11) (o) 48 (10)
diethyl benzene
2500 (455) 250 (46)
diethylene glycol monoethyl
1500 (208) 150 (21)
ether (ethyl Carbitol)
diethylene triamine
42 (10)
4.2 (1) N,T,
diethylhydroxylamine
400
40
diethyl ether (ethyl ether)
930(300)(o) *
di(2-ethylhexyl)phthalate
5O''
5 N/T,
(di-sec-octyl phthalate)
diethyl ketone
7050 (2000) 705 (200) N,T,
diethyl phosphorochloro-
70
7
dithioate (ethyl PCT)
diethyl phthalate
50 5 N,T,
diethyl sulfate
25 2.5
diethylthiourea
50 (PH)
5
difluorodibromomethane
8580
858
N,T,0,
(Freon 12B2)
(1000)
(100)
diglycidyl ether (DGE)**
5.3 (1)
0.53 (.1) N,T,
diglycolamine
380
38
dihydroxybenzene (hydroquinone) 20
2 T, O,
diisobutylamine
125
13
diisobutylcarbinol
188 (o)
100 (D)
(2,6-dimethyl-4-heptanol)
diisobutyl ketone
639 (110)
145 (25)
(O
diisobutyl phthalate
50(PM)
5
(see dibutyl phthalate)
diisopropanolamine (DIPA)
460
46
diisopropylamine
210 (50)
21 (5)
N,T,
dimeryl diisocyanate
.25 .025
dimethoxyethane, 1,2-
220 (60)
22 (6)
(ethylene glycol dimethyl ether, EGDME)
dimethoxymethane (methylal)
31100
3110 N,T,0,M
(10000)
(1000)
dimethyl acetamide
360 (100)
36 (10) N,T,OfM
dimethylamine
92 (50)
9.2 (5)
T
dimethylaminobenzene (xylidine) 25 (5)
2.5 (.5)
N
dimethylaminoethanol (deanol) 55 (o)
50
D
dimethylaminoethoxyethanol
130(24)
13(2.4)
D
dimethylaniline, N,N-
64 (32)(O) 10 (5)
N
dimethylbenzene (xylene)
3700 (850)(O) 435 (100) N,T,0
dimethyl butane
3500 (1000) 350 (100)
N
(see hexane isomers)
dimethylcyclohexylamine, N,N- 100
10
D
11
Q QOQQ
ASARCO ELP 0001061
CAS NO.
SUBSTANCE
EFFECTS SCREENING LEVEL M g/m3(ppb)
30-minute annual or l-hour
300-76-5
108-01-0
115-10-6 598-56-1 68-12-2 108-83-8
108-82-7
57-14-7
131-11-3 3179-63-3 77-78-1 75-18-3 67-68-5 148-01-6
528-29-0
534-52-1 25550-58-7 25321-14-6 101-67-7 123-91-1 78-34-2 1746-01-6
646-06-0 122-39-4
101-68-8
142-84-7 34590-94-8 56-18-8 111-43-3 123-19-3 231-36-7
85-00-7 6385-62-2
dimethyl-1,2-dibromo-2,2-
30
dichloroethyl phosphate (Naled)
3 N ,T,0,M
dimethylethanolamme (dimethylaminoethanol)
55 (o)
50
D
dimethyl ether dimethyl ethyl amine, dimethy1formamide dimethyl-4-heptanone, (diisobutyl ketone)
N,N2,6-
19100 (10000) 750 (250) 300 (100) 640. (p) (110)
1910 (1000) M
75 (25)
M
30 (10) N, T, 0
145
N,T,0
(25)
dimethyl-4-heptanol, 2,6(diisobutylcarbinol)
188 (o)
100
D
dimethylhydrazine, 1,1-
.25 (,1)
.025 (.01) T
dimethyl-3-hydroxythiophene,2,4 - 100
dimethyl oxazolidinone
2500
dimethylphthalate
50 (PM)
10 250 5
D D N,T,0
dimethyl propanolamine dimethyl sulfate dimethyl sulfide
750 5.2 (1) 3 (o)
75
.52 (.1) *
D N,T,0
dimethyl sulfoxide (DMSO)
140
14
D
dinitolmide
50 (PM)
5
N, T, 0
(3,5-dintro-o-toulamide; zoalene)
dinitrobenzene (all isomers)
10 (1.5)
1 (.15) N, T, 0
[also 99-65-0; 100-25-4]
dinitro-o-cresol dinitrophenol
2 (PM) 3 (PM)
.2 N ,t,o,m .3 D
dinitrotoluene
15 (PM)
1.5
N,T,0
dioctyldiphenylamine dioxane, 1,4-
100 900 (250)
10 90 (25)
D T, 0
Dioxathion (Delnav) dioxins, polychlorinated-
2 (PM) --
.2 N, T, 0 9.2x10'* E, NY
dibenzo-p- (as 2,3,7,8-tetrachlorodibenzo-p-dioxin, TCDD)
dioxolane, 1,3-
520 (172) 52 (17)
D
diphenylamine
100 (PM)
10
N,T,0
diphenylmethane-4,4'-
.5 (.05)
.05 (.005) N.T
diisocyanate (methylene bisphenyl isocyanate)
dipropylamine
200 (48)
20 (5)
D
dipropylene glycol methyl ether 3000 (500) 300 (50)
M
dipropylene triamine
60 (11)
6 (1)
D
dipropyl ether (propyl ether) 2500 (600) 250 (60)
D
dipropyl ketone Diquat
2330 (500) 233 (50) N,T,0
5 (total)
.5
N,T,0
Diquat dibromide
1 (resp)
.1
same as Diquat
T
Diquat dibromide monohydrate
same as Diquat
12
ASARCO ELP 0001062
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or l-hour
117-81-7 97-77-8 298-04-4 25231-47-4 128-37-0
330-54-1 1321-74-0 25377-73-5
112-55-0 27193-86-8
di-sec-octyl phthalate
50 (PM)
Disulfiram
20 (PM)
Disulfoton
1 (PM)
di-tert-amyl phenol
700
di-tert-butyl-p-cresol, 2,6-
100
(butylated hydroxytoluene, BHT)
Diuron
100 (PM)
divinyl benzene
530 (100)
dodecenylsuccinic anhydride
40 (316)
(see tetrapropenylsuccinic anhydride)
dodecylmercaptan
41 (5)
dodecylpheno1
1200 (110)
5 N, T, 0 2 N /T,0,M .1 N,T,0 70 D 10 N, T, 0
10 53 (10) 4 ( .36)
N, T, 0 N,T,0
D
4 ( 5) 120 (ID
N D
EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
1302-74-5 115-29-7 72-20-8 13838-16-9 1395-21-7 106-89-8 2104-64-5
75-56-9
556-52-5
74-84---0 75-08-1 141-43-5 100-40-3
563-12-2 110-80-5
111-15-9
14631-45-9 141-78-6
140-88-5 64-17-5
emery, respirable fraction
50 (PM)
5
O
Endosulfan
1-
. 1 N, T, 0
Endrin
1 .1 N,T,0
enflurane
151 (20)
15 (2)
N
enzymes (Subtilisins)
.0006
.00006 N, T, 0
epichlorohydrin
3.8 (1)
.38 (.1)
T
EPN (O-ethyl,O-p-nitrophenyl
5
.5 N,T,0,M
phenylphosphonothioate)
epoxypropane, 1,2-
250 (100) 25 (10)
E
(propylene oxide)
epoxy-l-propanol, 2,3-
760 (250)
76 (25) N,T,0
(glycidol)
ethane
simple asphyxiant
ethanethiol** (ethyl mercaptan) .8 (o)
*
ethanolamine
75 (30)
7.5 (3) N,T,0,M
ethenylcyclohexene, 4-
40 (1)
4 (.1)
T
(4-vinyleyclohexene)
Ethion
4 .4 N, T, 0
ethoxyethanol, 2-
180 (50)
18 (5)
T
(ethylene glycol monoethyl ether)
ethoxyethanol acetate, 2-
270 (50)
27 (5)
T
(ethylene glycol monoethyl ether acetate)
ethoxypropionitrile, Si-
2000
200
D
ethyl acetate
14400
1440 N,T,0,M
(4000)
(400)
ethyl acrolein ethyl acrylate ethyl alcohol
60 (18) 5 (1.25) 18800
6 (1.8)
D
* ()
. 1880 N,T,0,M
(10000)
(1000)
13
ASARCO ELP 0001063
CAS No.
75-04-7 541-85-5 103-69-5 100-41-4
74-96-4 628-81-9 106-35-4 75-00-3 541-41-3
107-12-0 74-85-1
107-07-3 110-61-2
107-15-3 106-93-4 107-06-2 107-21-1 111-55-7 110-71-4
628-96-6 111-76-2
112-07-2
110-80-5
111-15-9
112-25-4
109-59-1
109-86-4
110-49-6
122-99-6
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or 1-hour
ethylamine
180 (100)
ethyl amyl ketone
1310 (250)
ethylaniline
20
ethyl benzene
2000 (460)(o)
ethyl benzene hydroperoxide
4350
ethyl bromide
220 (50)
ethyl butyl ether
2340 (560)
ethyl butyl ketone
2340 (500)
ethyl chloride
500 (189)
ethyl chlorocarbonate
5
(ethyl chloroformate)
ethyl cyanide (propionitrile)
140 (60)
ethylene
1170
ethylene bisdithiocarbamates
50(PM)
(EBDCs, see ethylene thiourea)
ethylene chlorohydrin
33 (10)
ethylene cyanide
200 (60)
(succinonitrile)
ethylenediamine
250 (100)
ethylene dibromide
3.8 (.5)
ethylene dichloride
40 (10)
ethylene glycol
1270 (500)
ethylene glycol diacetate
555 (O)
ethylene glycol dimethyl ether 220 (60)
(1,2-methoxyethane, EGDME)
ethylene glycol dinitrate
1
ethylene glycol monobutyl
1210 (250)
ether (butyl Cellosolve)
ethylene glycol monobutyl
1310 (200)
ether acetate
ethylene glycol monoethyl
180 (50)
ether (ethyl Cellosolve)
ethylene glycol monoethyl
270 (50)
ether acetate
ethylene glycol monohexyl ether 2100(350)
(2-hexyloxyethanol)
ethylene glycol monoiso
1060 (250)
propyl ether
ethylene glycol monomethyl
160 (50)
ether (methyl Cellosolve)
ethylene glycol monomethyl
240 (50)
ether acetate
ethylene glycol monophenyl
170(30)
ehter (phenyl cellosolve)
18 (10) N,T,0,M
131 (25) N,T,0
2D
434 (100)
435
D
22 (5)
T
234 (56)
D
234 (50) N,T,0
50 (19)
E
.5 D
14 (6) 117 5
N (v)
D
3.3 (1) N,T,0,M
20 (6)
N
25 (10) N,T,0,M
.38 (.05)
N
4 (1)
N,O
127 (50)
T,0
85 D
22 (6)
D
. 1 N, O 121 (25) N,T,0
131 (20)
M
18 (5)
T
27 (5)
T
210(35)
D
106 (25) T,0
16 (5)
T,M
24 (5)
T,M
17(3)
D
14
ASARCOELP 0001064
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL /ig/m3(ppb)
30-minute annual or l-hour
2807-30-9
75-21-8 96-45-7 151-56-4 60-29-7 763-69-9 109-94-4 94-96-2 123-05-7 75-34-3
16219-75-3 97-64-3 75-08-1 97-63-2 18328-90-0 100-74-3 645-62-5
78-10-4 352-93-2 620-14-4
622-96-8
611-14-3
ethylene glycol monopropyl
1500 (250) 150 (25)
D
ether
ethylene oxide
18 (10)
1.8 (1)
T, 0
ethylene thiourea (ETU)
50(PM)
5
D
ethylenimine* *
ethyl ether ethy1-3-ethoxypropionate
8.8 (5) 927 (306) 400 (67)
.88 (.5) *
40 (7)
T (o)
D
ethyl formate 2-ethyl hexanediol-l,3
3030 (1000) 303 (100) NTOM
500--'--'-
50
D
ethylhexyl aldehyde
1400 (267) 140 (27)
D
ethylidene chloride (1,1-dichloroethane)
4000 (1000) 400 (100) N,0,M
ethylidene norbornene
70 (14)(O) 25 (5)
ethyl lactate ethyl mercaptan** ethyl methacrylate
120(25) .8 (o) 32 (7)(o)
12(2.5) *
*
D
ethyl-2-methylallylamine ethylmorpholine, N-
50 240 (50)
5 24 (5)
D N,T,0
ethy-3-propyl acrolein
150 (29)
15 (3)
D
(2-ethyl hexenal)
ethyl silicate ethyl sulfide
850 (100) 16 (o)
85 (10) *
N,T,0
ethyltoluene, m-
1250 (250) 125 (25)
D
(l-methyl-3-ethylbenzene, see trimethyl benzene)
ethyltoluene, p-
1250 (250) 125 (25)
D
(l-methyl-4-ethylbenzene, see trimethyl benzene)
ethyltoluene, o-
1250 (250) 125 (25)
D
(l-methyl-2-ethylbenzene, see trimethyl benzene)
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
22224-92-6 39515-41-8
115-90-2 55-38-9 51630-58-1 14484-64-1 12604-58-9
7782-41-4 406-90-6 944-22-9
Fenamiphos Fenpropathrin (Danitol)
(see Pyrethrum)
Fensulfothion (Dasanit) Fenthion Fenvalerate (see pyrethrum) Ferbam ferrovanadium dust fibrous glass dust, fluorides, as F fluorine fluroxene Fonophos
1 50 (PM)
.1 5
N, T, 0 D
1 . 1 N,T,0
2 .2 T,0,M
50 5
D
50 5
0
10 1 N,T,0,M
50 5
N
see TACB Reg III
2 (1)
.2 (.1) N,0,M
103 (20)
10 (2)
N
1 .1 N, T, 0
15
ASARCO ELP 0001065
CAS NO.
SUBSTANCE
EFFECTS SCREENING LEVEL /ig/m3(ppb)
30-minute annual or 1-hour
50-00-0
75-12-7 64-18-6 109-94-4 107-31-3
794-93-4 98-01-1 98-00-0
formaldehyde
formaraide formic acid formic acid, ethyl iester formic acid, methyl ester Freon TMS furans, chlorinated dibenzofuratone furfural furfuryl alcohol
15* (12)
1.5* (1.2) E
* under review
180 (100)
18 (10)
N,T
94 (50)
9.4 (5) N,T,0,M
3000 (1000) 300 (100)
M
2500 (1000) 250 (100)
M
28300 --
2830 lxl O'*
D D
5CT'"W
5
D
79 (20)
8 (2)
T,0
400 (100)
40 (10) N,T,0
GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
1303-00-0 8006-61-9
7782-65-2 111-30-8
gallium arsenide, as As
0.1
. 01
0
gasoline
3500 (1180) 350 (118) E
(also need to consider benzene content)
germanium tetrahydride
6.3 (2)
.6 (.2) N,T,O
glutaraldehyde
8.2 (2)
.8 (.2) N,T,0,M
56-81-5 556-52-5 106-91-2 107-16-4 298-12-4 107-22-2
7782-42-5 86-50-0 7778-18-9
glycerin mist glycidol glycidyl methacrylate glycolonitrile glycoxylic acid glyoxal grain dust graphite, natural & synthetic guthion (azinphos-methyl) gypsum (calcium sulfate)
50 760 (250) 580 (100) 50 (20) 75 70 40 20 2 50
50
76 (25) N,T,0
58 (10)
D
5 (2)
N
7.5
D
7D
4 N, T
2T
.2 N,T,0,M
5 N, 0
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
7440-58-6 151-67-7 7440-59-7 526-73-8
76-44-8
142-82-5 110-43-0
hafnium halothane helium hemimellitene
(1/2/3-trimethylbenzene) Heptachlor and
Heptachlor epoxide heptane heptanone, 2(methyl n-amyl ketone)
5 .5 N ,t,o,m
162 (20)
16.2 (2)
N
simple asphyxiant
1250 (250) 125 (25) N,T,0
.5 .05 T
3500 (850) 350 (85)
94 (O)
*
N
16
ASARCO ELP 0001066
o s o a a o evo a a a s a e* a o -^ a o s seh o o o o a s
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or l-hour
106-35-4
111-14-8 111-70-6 1639-09-4 118-74-1 87-68-3 58-89-9
77-47-4 67-72-1 1335-87-1 1888-71-7 2917-26-2
648-16-2 124-09-4 822-06-0 28182-81-2
629-11-8 111-49-9 100-97-0 110-54-3
124-09-4 591-78-6
108-1-0-1 108-84-9 111-25-1 107-41-5 111-31-9 302-01-2 7782-79-8 1333-74-0 61788-32-7 10035-10-6 7647-01-0 74-90-8 7664-39-3 10034-85-2 7722-84-1 7783-07-5 7783-06-4
heptanone, 3(ethyl butyl ketone) heptanoic acid heptyl alcohol heptylmercaptan, nhexachlorobenzene (HCB) hexachlorobutadiene Hexachlorocyclohexane, gamma(Lindane) hexachlorocyclopentadiene hexachloroethane hexachloronaphthalene hexachloropropene hexadecyl mercaptan (cetylmercaptan) hexafluoroacetone hexamethylene diamine hexamethylene diisocyanate(HDI) hexylmenthylene diisocyanate polymer hexamethylene glycol hexamethyleneimine hexamethylenetetramine hexane, nhexane, other isomers hexanediamine, 1,6hexanone, 2(methyl n-butyl ketone) hexone (methyl isobutyl ketone) hexyl acetate, sechexyl bromide hexylene glycol hexylmercaptan, Nhydrazine hydrazoic acid hydrogen hydrogenated terphenyls hydrogen bromide** hydrogen chloride** hydrogen cyanide hydrogen fluoride** hydrogen iodide hydrogen peroxide hydrogen selenide (as Se) hydrogen sulfide**
2340 (500) 234 (50) N,T,0
108 (o) 1900 (o) 1 (O) .25 2.1 (.2) 5
53
270 *
D
.025
T
.21 (.02) N,T,0
.5 N,T,0,M
1.1 (.1) 97 (10) 2 60 53 (5)
.11 (.01) N,T,0
10 (1) N,T,0,M
.2 N,T,0
6D
5 (.5)
N
7 (1) 3.2 (O) .34 (.05) 50(PM)
.7 (.1) N,T,0 *
.03 (.005) 5
5Z D
750 100 (25) 170 1760 (500) 3500 (1000) 23 (5) 40 (10)
75 D
10 (2.5)
D
17 D
176(50) N,T,0.M
350 (100)
N
2.3 (.5)
T
4 (1)
N
2050 (500) 205 (50) N,T,0
12 (2)
*
(O)
135 (20)
14 (2)
D
1210 (250) 121 (25) N,T,0
27 (5)
2.7 (.5)
N
0.13 (.1)
.013 (.01) T
2.7 (1)
.27 (.1)
M
simple asphyxiant
50 (5)
5 (.5) N,T,0
100 (30)
10 (3)
N,T,0
75 (50)
.1 (C)
N,T,0
50 (47)
5 (4.7)
N,0
see TACB Regf III
150 (30)
15 (3)
D
14 (10)
1.4 (1) N,T,0,M
1.6 (.5)
.16 (.05) NTOM
see TACB Reg' II
17
ASARCO ELP 0001067
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Atg/m3(ppb)
30-minute annual or 1-hour
123-31-9 150-76-5
118-93-4 99-93-4
111-41-1 868-77-9 123-42-2
597-31-9 999-61-1
hydroquinone
20
hydroquinone monomethyl ether 50(PM)
(4-methoxyphenol; p-hydroxyanisole)
hydroxyacetophenone, 2-
1250
hydroxyacetophenone, 4-
2500
hydroxyacetophenone oxime, 4- 1250
hydroxyethyl ethylenediamine
640 (150)
hydroxyethyl methacrylate, 2- 3170 (595)
4-hydroxy-4-methyl-2-
..........1330 "(280)(o)
pentanone (diacetone alcohol)
hydroxypivaldehyde
1800
hydroxypropyl acrylate
28 (5)
2 N,T,0,M 5 N, T, O
125 250 125 64 (15) 317 (60) 240 (50)
D D
D D D
180
D
2.8 (.5) N,T,0
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
15687-27-1 56-18-8
95-13-6 7740-74-6 7553-56-2 75-47-8 36734-19-7 1309-37-1 13463-40-6
118-48-9 123-9-2-2 123-51-3 124-68-5 110-19-0 78-83-1 78-81-9 97-85-8 123-17-1 97-86-9 78-84-2 78-82-0 71121-36-3 540-84-1 26952-21-6 78-59-1 4098-71-9 78-96-6
Ibuprofen iminobispropylamine, 3,3'(dipropylene triamine) indene indium & compounds (as In) iodine iodoform Iprodione iron oxide (fume) iron pentacarbonyl iron salts, soluble (as Fe) isatoic anhydride isoamyl acetate isoamyl alcohol isobutanolamine isobutyl acetate isobutyl alcohol isobutyl amine isobutyl isobutyrate (IBIB) isobutyl heptyl ketone isobutyl methacrylate isobutyraldehyde isobutyronitrile isocyanobenzotrifluoride isooctane (methyl heptane) isooctyl alcohol isophorone
isophorone diisocyanate isopropanolamine (MIPA)
40 60 (11)
4 6 (1)
D D
70 (15)(o) 1 10 (1) 6 (o) 100 50 8 (1) 10 100 (PM) 1330 (O) 151 (o) 400 630 (O) 1520 (500) 150 (50) 6000 (980) 3750 (500) 1900 (330) 138 (O) 220 (80) . 38 3500(750) 2660 (500) 230 (40) 0.45 (.05) 200
45 (10) N,T,0
.1 N,T,0
1 (.1) N,T,0,M *
10 D
5 N,T,M
.8 (.01) N,T,0,M
1 N,T,0
10 D
525 *
N,T,0
40
* 152 (50) 15 (5)
600 (98) 375 (50)
190 (33) *
D D N,T,0 M D D D
22 (8)
N
.038
D
350(75)
D
266 (50) N,T,0
23 (4)
N,0
.045 (.005) N,T
20 D
18
ASARCO ELP 000106ft
CAS No
109-59-1
108-21-4 67-63-0 75-31-0 768-52-5 108-20-3 4016-14-2 590-86-3
SUBSTANCE
EFFECTS SCREENING LEVEL /xg/m3(ppb)
30-minute annual or l-hour
isopropoxyethanol
1060 (250)
(ethylene glycol monoisopropyl ether)
isopropyl acetate
3755(900)(O)
isopropyl alcohol
7856 (O)
isopropylamine
120 (50)
isopropylaniline, N-
110 (20)
isopropyl ether
70 (O)
isopropyl glycidyl ether (IGE) 2380 (500)
isovaleraldehyde
2500"(710)
106 (25) T, 0
1040 (250) 1,0 980
12 (5)
11 (2) *
T,OfM N,T,0
238 (50) N,T,0,M
250 (71)
D
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
Jeffamine D-230 Jeffamine ED-600 jet fuel (see Kerosene)
180 500 1000
18 50 100
D D D
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
1332-58-7 143-50-0 8008-20-6 463-51-4
kaolin Kepone kerosene ketene
20 (resp) .01 1000 (140) 9 (5)
2T
. 001
N
100 (14)
N
.9 (.5)N,T,0,M
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
64742-89-8
124-22-1 112-55-0
7439-92-1 7784-40-9 7758-97-6
8032-32-4 1317-65-3 58-89-9 330-55-2 68476-85-7
7580-67-8
lactol spirits (aliphatic solvent) laurylamine lauryl mercaptan (dodecylmercatan) lead lead arsenate (as PbAs04) lead chromate (as Cr) lead chromate (as Pb) Ligroine (VM&P naphtha) limestone (calcium carbonate) Lindane Linuron liquified petroleum gas (L.P.G.) lithium hydride
3500
350
D
100 40 i5)
10 4 (.5)
D N
must meet NAAQS
1.5 '
.15
T
.12
.012
T
.5 .05 T
3500 (875) 350 (88)
N
50 (resp)
5
N, 0
5 .5 N, T, 0, M
40 4
D
18000
1800
N, T, 0
(10000)
(1000)
.25 .025 N,T,0,M
19
ASARCO ELP 0001069
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or 1-hour
mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
546-93-0 1309-48-4 121-75-5 110-16-7 108-31-6 109-77-3 7439-96-5 7439-96-5 12079-65-1
1313-35-7 1317-65-3 7439-97-6 7439-97-6 7439-97-6
108-67-8
141-79-7 57837-19-1 79-41-4 126-98-7
74-82-8 74-93-1
16752-77-5 72-43-5 109-86-4
110-49-6
76-38-0 150-76-5
1589-47-5 110-67-8 70657-70-4 79-20-9 105-45-3 74-99-7
96-33-3
magnesite
50 5 N, 0
magnesium oxide (fume)
50 5
0
Malathion
50 5
0
maleic acid
14
1.4
D
maleic anhydride
10 (2.5)
1 (.25) N,T,0
malonitrile
80 (30)
8 (3)
N
manganese fume
10 1 N,T,0
manganese dust & compounds '
"30
3
N
manganese cyclopentadienyl tricarbonyl
1
.1 N,T,0
manganese tetroxide
10 1 0,M
marble (calcium carbonate)
50
5 N,0
mercury alkyl compounds
.1
.01
N,T,0,M
mercury, aryl & inorganic cpds. 1
.1 N,T,0,M
mercury, all other forms
.5
.05 N,T,0
(Hg vapor, colloidal or metallic Hg)
mesitylene
1250 (250) 125 (25) N,T,0
(1,3,5-trimethyl benzene)
mesityl oxide
204 (51)(O) 40 (10)
N
metalaxyl
50 (PM)
5
D
methacrylic acid
700 (200)
70 (20) N,T,0
methacrylonitrile
27 (10)
2.7 (1) N,T,0
(methylacrylonitrile; 2-methyl- 2-propenenitrile, MAN)
methane
simple asphyxiant
methanethiol**
2 (1)(o)
1 (.1) N,T,0,M
(methyl mercaptan)
Methomyl (Lannate)
25
2.5
N,T,0
Methoxychlor
50 5
0
methoxyethano1, 2-
160 (50)
16 (5)
T,M
(methyl Cellosolve; ethylene glycolmonomethyl ether)
methoxyethanol acetate, 2-
240 (50)
24 (5)
T,M
(ethylene glycol monomethyl ether acetate)
methoxyflurane
135 (20)
13.5 (2)
N
methoxyphenol, 4-
50 (PM)
5
N,T,0
(hydroquinone monomethyl ether; p-hydroxyanisole)
methoxypropan-l-ol, 2-
750 (200) 75 (20)
M
methoxypropionitrile, 3-
2000
200
D
methoxypropyl-1-acetate, 2-
1100 (200) 110 (20)
M
methyl acetate
6060 (2000) 606 (200) NTOM
methyl acetoacetate
3000
300
D
methyl acetylene
16400
1640 N,T,0,M
(10000)
(1000)
methyl acrylate
61 (17)(O) 18 (5)
M
20
ASARCO ELP 0001070
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or 1-hour
126-98-7
109-87-5
67-56-1 74-89-5 108-11-2
110-43-0 100-61-8 589-18-4 74-83-9 591-78-6 1634-04-4
74-87-3 71-55-6
79-22-1 137-05-3 108-87-2 25639-42-3 583-60-8 12108-13-3
96-37-7 8022-00-2 105-59-9 101-6-8-8
75-09-2 101-14-4
5124-30-1
101-77-9 115-10-6
78-93-3 96-29-7 1338-23-4 107-31-3 534-22-5 540-84-1
methylacrylonitrile
27 (10)
(methacrylonitrile)
methylal (dimethoxymethane;
31100
methoxymethane)
(10000)
methyl alcohol
2620 (2000)
methylamine
64 (50)
methyl amyl alcohol
292 (70)(O)
(methyl isobutyl carbinol)
methyl n-amyl ketone
" 94 (6)
methyl aniline, N-
22 (5)
methylbenzyl alcohol
600 (120)
methyl bromide**
190 (50)
methyl n-butyl ketone
40 (10)
methyl-tert-butyl ether (MTBE) 600(125)(O)
methylbutyraldehyde
1800 (510)
methyl chloride
1030 (500)
methyl chloroform
10800(2000)
(1,1,1-trichloroethane)
methyl chloroformate
2
methyl 2-cyanoacrylate
91 (20)
methyl cyclohexane
16100(4000)
methyl cyclohexanol
2340 (500)
methyl cyclohexanone, o-
2290 (500)
methyl cyclopentadienyl
2
manganese tricarbonyl
methylcyclopentane
2580 (750)
methyl demeton
5
methyldiethanolamine
500 (100)
methylene bisphenyl
.5 (.05)
diisocyanate (MDI)
methylene chloride
260 (75)
methylene bis(2-chloro-
2.2 (.2)
aniline), 4,4'- (MBOCA)
methylene bis(4-cyclo-
.54 (.05)
hexylisocyanate)
methylene dianiline, 4,4'
8.1 (1)
methyl ether (dimethyl ether) 19100 (10000)
methyl ethyl benzene,
1250 (250)
all isomers (ethyltoluene, m- / P-/ O-)
methyl ethyl ketone (MEK)
3900 (1320)(o)
methyl ethyl ketone oxime
1960 (550)
methyl ethyl ketone peroxide
15 (2)
methyl formate
2460 (1000)
methylfuran, 2-
550
methyl heptane (isooctane)
3500(750)
2.7 (1) N,T,0
3110 N,T,0,M
(1000)
262 (200) NTOM
6.4 (5)
T
104 (25) N,T,0,M
*
2.2 (.5) N,T,0,M
60 (12)
D
19 (5)
T,0,M
4 (1)
N
288(80)
D
180 (51)
D
103 (50) T,0,M
1080 (200) M
.2 D 9.1 (2) N,T,0,M 1610 (400) N,T,0 234 (50) N,T,0,M 229 (50) N,T,0,M .2 N,T,0
258 (75)
D
.5 N,T,0,M
50 (10)
D
.05 (.005) N,T
26 (7.5)
E
.22 (.02) T,0
.054 (.005) T
.81 (.1)
T
1910 (1000) M
125 (25) N,T,0
590 (200)N,T,O,M
196 (55)
D
1.5 (.2) N,T
246(100) N,T,0,M
55 D
350(75)
D
21
ASARCO ELP 0001071
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL /xg/m3(ppb)
30-minute annual or 1-hour
541-85-5
111-13-7 60-34-4 74-88-4 110-12-3 108-11-2
108-10-1
624-83-9 99-87-6
563-80-4 74-93-1 80-62-6 298-00-0 108-11-2 107-87-9
120-94-5 872-50-4 681-84-5 98-83-9
75-18-3
21087-64-9 7786-34-7 12001-26-2 8032-32-4
7439-98-7 7439-98-7 6923-22-4 110-91-8
methyl-3-heptanone, 5(ethyl amyl ketone) methyl hexane, 2- (isoheptane) methyl hexyl ketone (octanone) methyl hydrazine methyl iodide methyl isoamyl ketone methyl isobutyl carbinol (4-methyl-2-pentanol) methyl isobutyl ketone (MIBK; hexanone) methyl isocyanate** methyl isopropylbenzene, 4(p-cymene) methyl isopropyl ketone methyl mercaptan** methyl methacrylate Methyl parathion methyl-2-petanol, 4methyl propyl ketone (2-pentanone) methylpyrrolidine, Nmethyl-2-pyrrolidone, Nmethyl silicate methyl styrene, amethyl styrylphenol, pmethyl sulfide (dimethyl sulfide) Metribuzin Mevinphos mica mineral spirits (naphtha) mineral wool fibers molybdenum, soluble molybdenum, insoluble Monocrotophos (Azodrin) morpholine
1310 (250) 131 (25) N,T,0
3070(750) 5100 (970) .19 (.1) 120 (20) 56 (12)(O) 292 (70)(O)
307(75)
D
510 (97)
D
.02 (.01)
T
12 l[2) k
N,T,O
104 (25) N,T,0,M
2050 (500) 205 (50) N,T,0
.47 (.2)
.05 (.02) N,T,0
2745 (500) 275 (50)
D
7050 (2000) 2 (l)(o) 339 (82)(o) 2 1000(250) 5300 (1500)
705 (200) N,T,0
1 ( 5) N,T,0,M
210(50)
M
.2 N,T, 0
100(25)
M
530 (150)
N
70 1100 (275) 60 (10) 250 (52)(O) 140 3 (O)
7D
110 (27.5) D
6 (1)
N,T,0
240 (50) N,T,0
14 D *
50 .92 (.I)' 30 3500 (875) 50 50 100 2.5 36 (O)
5 .09 3 350 5 5 10
.25 k
N, T, 0
(.01)
T
N, T, 0
(88)
N
N
T,0,M
T,0
N,T,0
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
300-76-5 8030-30-6 8032-32-4
Naled (Dibrom) naphtha, coal-tar naphtha, VM&P (petroleum distillates)
30 3 4000 (1000) 400 (100) 3500 (875) 350 (88)
T,M N, 0
N
22
ASARCO ELP 0001072
CAS NO.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or 1-hour
91-20-3 25551-28-4 3173-72-6 7440-01-9 126-30-7 7440-02-0 13463-39-3 54-11-5 1929-82-4 7697-37-2 10102-43-9 100-01-6 98-95-3 100-00-5 79-24-3 10102-44-0 7783-54-2 55-63-0 75-52-5 108-03-2 79-46-9
99-08-1 88-72-2 99-99-0 10024-97-2 111-84-2 112-0.5-0 1455-21-6 25154-52-3 9016-45-9
9016-45-9
naphthalene
440 (88)(o) 50 (10)
naphthalene diisocyanate (NDI) .4
.04 N
naphthalene diisocyanate, 1,5- .9 (.1)
.09 (.01)
M
neon
simple asphyxiant
neopentyl glycol
500
50
D
nickel & compounds
. 15
.015
N
nickel carbonyl**
.15
.015
N
nicotine
5 .5 N,T,0,M
Nitrapyrin
50 - ~
5
O
nitric acid**
52 (20)
5.2 (2) N,T,0
nitric oxide
310 (250)
31 (25) N,T,0
nitroaniline
30 3 N, T, 0
nitrobenzene
24 (4.8)(o) 5 (1) N,T,0,M
nitrochlorobenzene
6.4 (1)
.64 (.1)
T
nitroethane
3070 (1000) 307 (100) NT0M
nitrogen dioxide
must meet NAAQS
nitrogen trifluoride
see TACB Reg III
nitroglycerin (NG)
1 .1 N, 0
nitromethane (nitrocarbol)
500 (200)
50 (20)
T
nitropropane, 1-
910 (250)
91 (25) N,T,0,M
nitropropane, 2-
360 (100)
36 (10)
T,0
nitrosamines
.007 ppb
.0007 ppb
(ESL in pg/mJ will depend on molecular weight: 70-100)
nitrotoluene, m-
110 (20)
11 (2)
N, T,0
nitrotoluene, o-
110 (20)
11 (2)
N,T,0
nitrotoluene, p-
110 (20)
11 (2)
N,T,O
nitrous oxide
450 (250)
45 (25)
N
nonane nonoic acid
10500(2000) 1050 (200) N,T,0
4.6 (o)
*
nonylmercaptan, n-
33 (5)
3.3 (.5)
N
nonylphenol, mixed isomers
400 (45)
40 (4.5)
D
nonyl phenol ethoxylate
1000
100
D
[also 26027-38-3]
nonylphenol polyethylene-
600 (24)
60 (2.4)
D
glycol ether,nonionic [Tergitol TP-9; polyethylene (9)
glycol nonyl phenyl ether; nonylphenoxypoly-
(ethyleneoxy)ethanol]
0000000000000000000000000000000000000000000000000000000000000000000000000
2234-13-1 111-13-7 2885-00-9 111-65-9
octachloronaphthalene octanone (methyl hexyl ketone) octadecylmercaptan octane
1 5100 (970) 60 (5) 3500 (750)
.1 510 (97) 6 (.5) 350 (75)
N,T,0 D N N
23
ASARCO ELP 0001073
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or l-hour
111-86-4 111-88-6 27193-28-8 2687-94-7 8012-95-1 20816-12-0
144-62-7
3033-62-3
7783-41-7 10028-15-6
octylamine octylmercaptan, noctyl phenol octyl pyrrolidone, Noil mist, mineral & others osmium tetroxide
oxalic acid oxo-hexyl acetate oxybis(N,N-dimethylethylamine) (Thancat ZF-20) oxygen difluoride ozone
60 (11) 30 (5) 20 100 50 .016 (.002) 10 2750 216 (33)
6 (1)
D
3 (.5)
N
2D
10 D
5 N,T,0
.0016 N,T,0,M
(.0002)
1 N, T, 0
275
D
22(3.3)
0
see TACB Reg III must meet NAAQS
PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
8012-95-1
64741-89-5
8002-74-2 4685-14-7
56-38-2
19624-22-7
-
7 6-oi-7 1321-64-8 82-68-8 87-86-5 115-77-5 4067-16-7 109-66-0 107-87-9
109-67-1 4635-87-4 110-66-7 127-18-4 594-42-3 7616-94-6 382-21-8
paraffin oil (see mineral oil mist)
50 5 N,T,0
paraffinic distillate
50 5 N,T,0
[include all 64741-xx-x oil mist group]
paraffin wax fume Paraquat [also 1910-42-5; 2074-50-2]
20 1
2 N,T,0 .1 N,T,0,M
Parathion
.5 .05 N
particulates not otherwise
100 (total) 10
T
classified (PNOC)
50 (resp) 5
0
pentaborane
.13 .013 N,T,0,M
(.05)
(.0015)
pentachloroethane
400 (50)
40 (5)
M
pentachloronaphthalene
5
.5 N,T,0,M
pentachloronitrobenzene
5
.5 T
pentachlorophenol
5 .5 N,T,0
pentaerythritol
50 5 N, 0
pentaethylene hexamine
625
63
D
pentane
3500 (1200) 350 (120)
N
pentanone, 2-
5300 (1500) 530 (150)
N
(methyl propyl ketone) pentene/ l- (l-amylene)
90 (30)
*
pentene nitrile, 3-
70 (27)
7 (3)
D
pentylmercaptan
21 (5)
2 (.5)
N
perchloroethylene
340 (50)
34 (5)
E
perchloromethyl mercaptan
7.5(1.1)(O) .8 (.1)
perchloryl fluoride
see TACB Reg III
perfluoroisobutylene
.82 (.1)
.082 (. 01) T
24
ASARCO ELP 0001074
o as: 2 2 0
CAS NO.
SUBSTANCE
EFFECTS SCREENING LEVEL *ig/m3(ppb)
30-minute annual or 1-hour
93763-70-3 52645-53-1
8030-30-6 8032-32-4 532-27-4
85-01-8
156-43-4 103-73-1 108-95-2 92-84-2 108-45-2 95-54-5 106-50-3 101-84-8 60-12-8 100-42-5 122-60-1 100-63-0 108-98-5 638-21-1 122-97-4 298-02-2 7786-34-7 75-44-5 7 32-1-1-6 7803-51-2 7664-38-2 2929-95-5
13598-36-2 7723-14-0 10025-87-3 10026-13-8 1314-80-3 1314-56-3 7719-12-2 85-44-9 626-17-5 1918-02-1 109-06-8 108-99-6
perlite Permethrin (see pyrethrum)
50 50(PM)
5 5
N,0 D
petroleum distillates
3500 (875) 350 (88)
N
(see VM&P naphtha)
petroleum ether (VM&P naphtha) 3500 (875) 350 (88)
N
petroleum spirit (VM&P naphtha) 3500 (875) 350 (88)
N
phenacyl chloride (a-chloroacetophenone)
3.2 (.5)
.32 (.05) N,T,0
phenanthracene
0.5 "
(see coal tar pitch volatiles)
0.05
E
phenetidine, p-
150
15
D
phenetole (phenyl ethyl ether)
phenol phenothiazine phenylene diamine, mphenylene diamine, ophenylene diamine, pphenyl ether (diphenyl oxide)
154 (40)(O) 50 1 1 1 8 (1.1)(o)
19 (5) 5 .1 .1 .1 7 (1)
N,T,0,M N,T,0 T T T
N,T, 0, M
phenylethyl alcohol
500 (110) 50 (11)
D
phenylethylene (styrene)
430 (100)(O) 85 (20)
M
phenyl glycidyl ether (PGE)
60 (10)
6 (1) N,T,0,M
phenylhydrazine
4.4 (1)
.44 (.1)
T
phenyl mercaptan
4 (.8) (o)
.5 (.1)
N
phenylphosphine
2.3 (.5)
.23 (.05) N,T,0
phenylpropyl alcohol
1100 (200) 110 (20)
D
Phorate
.5 .05 N,T,0
Phosdrin (Mevinphos)
.92 (.1)
.092 (.01) T
phosgene**
4 (1)
.4 (.1) N,T,0,M
Phosmet (Prolate)
20 2
D
phosphine**
4.2 (3)
.42 (.3) N,T,0
phosphoric acid
10 1 N,T,0
phosphorodithioic acid esters, 1500
150
D
zinc salt
phosphorous acid
10 1
D
phosphorus (yellow)
1 .1 N,T,O.M
phosphorus oxychloride
6.3 (1)
.63 (.1) N,T,0
phosphorus pentachloride phosphorus pentasulfide
8.5 (1) 10
.85 (.1) N,T,0,M 1 N,T,0,M
phosphorus pentoxide
10 1
M
phosphorus trichloride phthalic anhydride
11 (2) 61
1.1 (.2) N,T,0
6.1
N,T,0
phthalodinitrile, m-
50 5 N,T,0
Picloram picoline, 2picoline, 3-
50 53 (14)(O) 80 (20)
5 8 (2) 8 (2)
0 D D
25
ASARCO ELP 0001075
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or 1-hour
108-89-4 88-89-1 83-26-1 1330-16-1, 110-85-0 142-64-3 72-98-9 3282-30-2 83-26-1
10101-41-4
7440-06-4 7440-06-4 1336-36-3
65996-93-2
9016-45-9
9003-39-8 9003-53-2 65997-15-1 1310-58-3 7722-64-7 74-98-6 107-1-9-7 57-57-8 79-09-4 107-12-0 93-55-0 114- 26-1 109-60-4 71-23-8 540-54-5 115- 07-1 78-89-7 78-90-0 78-87-5 57-55-6
6423-43-4
picoline, 4-
46 (12)
picric acid
.5 (o)
Pindone
1
pinene [also 127-91-3; 80-56-8] 64 (11)(O)
4.6
.1
.1 *
(1.2)
D
N, T, 0
N, T, 0
piperazine piperazine dihydrochloride pivalic acid pivaloyl chloride
34 50 250 40
3.4 5 25 4
D N,T,0
D D
pivaloyl-l,3-indandione, 2- " 'T
.1 N, T, 0
(pindone)
plaster of Paris (see calcium sulfate)
50 (resp)
5
N,T
platinum, metal platinum, soluble salts
10 .02
1 .002
N, T, 0 N,T,0,M
polychlorinated biphenyls
.1
.01
E
(PCBs, see chlorodiphenyl)
polycyclic aromatic hydrocarbons, particulate (PPAH)
.5
.05
E
(assume the fraction of benzo[a]pyrene not exceed 103 of
total PPAH, see coal tar pitch volatiles)
polyethylene (9) glycol nonyl 600 (24)
60 (2.4)
phenyl ether, nonionic surfactant (Tergitol TP-9)
poly (l-vinyl-2-pyrrolidinone)' 100
10
D
polystyrene
100
10
D
Portland cement
50 5 N, 0
potassium hydroxide
20 2 N,T,0
potassium permanganate 20 2
D
propane
18000 (10000) 1800 (1000) N, 0, M
propargyl alcohol
23 (10)
2.3 (1) N,T,0
propiolactone, 6-
15 (5)
1.5 (.5)
T
propionic acid
103 (34) (O) 30 (10) N ,t,o,m
propionitrile
140- (60)
14 (6)
N
propiophenone
2300
230
D
Propoxur (Baygon) propyl acetate, n-
5 626 (o)
.5 *
N, T, 0
propyl alcohol, n-
4920 (2000) 492 (200) N,T,0
propyl chloride propylene
30000
3000
117000 (V) *
D
propylene chlorohydrin
170
17
D
propylene diamine
42 (O)
17
D
propylene dichloride
1150 (250)(O) 350 (75) T, 0, M
propylene glycol, vapor
4000 (1290) 400 (129)
D
20 (PM)
2
D
propylene glycol dinitrate
3 (.5)
.3 (.05) N,T,0,M
26
ASARCO ELP 0001076
MK S O SDS2SODM O
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or l-hour
107-98-2
75-58-8 75-56-9 111-43-3 110-74-7 107-03-9 627-13-4 106-36-5 74-99-7
95-63-6
9002-86-2 8003-74-7 129-00-0
110-86-1 68391-11-7 120-80-9
123-75-1
propylene glycol mono-t-
5400 (1000) 540 (100)
D
butyl ether
propylene glycol monomethyl
3600 (1000) 360 (100) N,T,0
ether
propyleneimine** propylene oxide
50 (20) 250 (100)
5 (2)
N,T,
25 (10)
propyl ether (dipropyl ether) 2500 (600) 250 (60)
propyl formate
6475 (1800) 650 (180)
propylmercaptan, n-
2.3 (.7)(o) 1.6 (.5)
propyl nitrate
1050 (250) 105 (25) N,T,0,
propyl propionate
4750 (1000) 475 (100)
propyne (methyl acetylene)
16400
1640 N,T,0,
(10000)
(1000)
pseudocumene
1250 (250) 125 (25) N,T,
(1/2/4-trimethylbenzene)
PVC
50 5
Pyrethrum (Pyrethrin) pyrene
50 0.5
5 0.05
N,T,0,
(see coal tar pitch volatiles)
pyridine pyridines, alkyl
69 (23) (O) 15 (5) N,T,0,M
150
15
D
pyrocatechol (catechol)
230 (50)
23 (5)
N,T,O
pyronaphtha
40(10)
4(1)
D-MSDS
(dripolene; pyrolysis gasoline)
pyrrolidine, 2-
140
14
D
27 ASARCO ELP 0001077
CAS No
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/rn3(ppb)
30-minute annual or l-hour
616-45-5
pyrrolidone, 2-
70 7
D
QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
14808-60-7 106-51-4
quartz (silica-crystalline) quinone
1 4 (1)
.1 T,O,E .4 (.1) N,T,0,M
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
121-82-4 108-46-3 7440-16-6
299-84-3
83-79-4 1309-37-1 38641-94-0 8030-30-6
RDX (cyclonite) resorcinol rhodium, soluble compounds,
metal & insoluble cmpds Ronnel rosin core pyrolysis prods
(as formaldehyde) Rotenone rouge (Fe203) Roundup herbicide rubber solvent (naphtha)
15 450 .01 1 100 1
(100)
1.5 45 (10) .001 .1 10 .1
N,T,0 N,T,O N,T,0
N, T, O N,T,0
50 50 50 4000
(1000)
5 5 5 400
N,T,0,M
0
D
(100)
N
SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
7782-49-2 7783-79-1 136-78-7 7803-62-5
selenium and compounds selenium hexafluoride (as HF) Sesone (Crag herbicide) silane (silicon tetrahydride)
2 .2
see TACB Reg III
50 5
70 (50)
7 (5)
N, T, O
N, 0 N,T,0
61790-53-2 112926-00-8 69012-64-2 60676-86-0
Silica-Amorohous: diatomaceous earth gel & precipitated silica silica fume silica, fused
60 60 20 (resp) .5
6 6 2 .05
N N, O
T N
14464-46-1 14808-60-7 15468-32-3 1317-95-9
Silica-Crvstalline: cristobalite quartz tridymite tripoli
.5 .05 N,T,0
1 .1 t,o,e
.5
.05
N, T, 0
.5
.05
N
7440-21-3 409-21-2
silicon silicon carbide
50 5 N,0 50 5 N, O
28
ASARCO ELP 0001078
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or 1-hour
7803-62-5 7440-22-4
26628-22-8 7631-90-5 16940-66-2 136-78-7
62-74-8 1310-73-2 7681-57-4 9005-25-8
2885-00-9
7803-52-3 8052-41-3 7440-24-6 7789-06-2 57-24-9 100-42-5
1395-21-7 108-30-5 110-61-2 57-50-1
75-22-4
3689-24-5 7446-09-5 7446-09-5 2551-62-4 7664-93-9 10025-67-9 5714-22-7 7783-60-0 7791-25-5 2699-79-8 35400-43-2
8065-48-3
silicon tetrahydride (silane) silver and compounds soapstone, respirable dust
70 (50)
.1
30
7 (5)
.01
3
N,T, 0 N,0,M N,T,0
total dust
60 6
sodium azide
3 (1)
.3 (.1)
N,T
sodium bisulfite
sodium borohydride
sodium, 2,4-dichloro-
50 5 N,T,0
1 .1 D
50 5 N, 0
phenoxyethyl sulfate (Sesone)
sodium fluoroacetate sodium hydroxide
.5 .05 N, T, 0
20 2 N, T,0,M
sodium metabisulfite
50 5 N,T,0
starch stearates
50 5 N,0
100 10
T
stearyl mercaptan
60 (5)
6 (.5)
N
(octadecyl mercaptan)
stibine
5 (1)
.5 (.1) N,T,0,M
Stoddard solvent strontium and compounds strontium chromate, as Cr
3250 (1000) 325 (100)
20 2 .1 .01
N D E
Strychnine
1.5
. 15 N,T,0,M
styrene, monomer
430* (100)(o) 85 (20)
M
* under review
Subtilisins [also 9014-01-1]
, 0006
.00006 N,T,0
succinic anhydride succinonitrile
25
2 do (60)
2.5
20 (6)
D N
sucrose
50 5 N, 0
Sulfinol Sulfonic N-95
230
1000
23
100
D D
(nonylphenyl ethoxylate) Sulfotep (TEDP)
2
.2 N,T,O,M
sulfur dioxide
must meet NAAQS & TACB Reg II
sulfur dioxide (liquid)**
must meet NAAQS & TACB Reg II
sulfur hexaflouride
see TACB Reg III
sulfuric acid
see TACB Reg II
sulfur monochloride
5.6 (1)(O) 5.5 (1) N,T,0,M
sulfur pentafluoride
see TACB Reg III
sulfur tetrafluoride
see TACB Reg III
sulfuryl chloride
36 3.6 D
sulfuryl fluoride Sulprofos
see TACB Reg III
10 1
N,T,0
Surfonamine
180
18
D
Systox
see Demeton
29
ASARCO ELP 0001079
CAS No
SUBSTANCE
EFFECTS SCREENING LEVEL Aig/mJ(ppb)
30-minute annual or l-hour
93-76-5
14807-96-6
7440-25-7 1314-61-0 3689-24-5 13494-80-9 7783-80-4 3383-96-8
107-49-3 9016-45-9
68956-56-9 26140-60-3 79-27-6 634-66-2
1746-01-6
76-11-9
76-12-0
79-34-5 127-18-4
56-23-5
1335-88-2 58-90-2 112-57-2 78-00-2 78-10-4 107-49-3 109-99-9 119-64-2
75-59-2 110-60-1 75-74-1 3333-52-6
2,4,5-T (2,4,5-trichloro-
100
10 N,T,0,M
phenoxyacetic acid)
talc (no asbestos), respirable 20
2 N,T,0,M
talc (with asbestos)
use asbestos ESL
tantalum, metal
50 5 N,T,0,M
tantalum oxide
50 5 N,T,0
TEDP (Sulfotep)
2` "
.2 N,T,0,M
tellurium & compounds 1 .1 N,T,0,M
tellurium hexafluoride
see TACB Reg III
Temephos
50 5
N,0
Tenneco T500-100
2700 (550) 270 (55)
D
TEPP (tetraethylpyrophosphate) .5
.05 N,T,0,M
Tergitol TP-9
50 (PM)
5
D
(polyethylene glycol nonyl phenyl ether)
terpenes
2000
200
D
terphenyls
50 (5)
5 (.5) N,T,0
tetrabromoethane, 1,1,2,2-
140 (10)
14 (1)
M
tetrachlorobenzenes
1000 (o)
350
D
[also 95-94-3]
tetrachlorodibenzo-p-dioxin,
--
9.2 X 10'* E,NY
2,3,7,8- (TCDD) tetrachlorodibenzofuran (TCDF) --
1 X 10*
D
tetrachloro-2,2-difluoro-
41700 (5000) 4170 (500) N,T,0
ethane, 1,1,1,2- (Freon 112A)
tetrachloro-1,2-difluoro-
41700 (5000) 4170 (500) N,T,0
ethane, 1,1,2,2- (Freon 112)
tetrachloroethane, 1,1,2,2-
70 (10)
7 (1) N,T,0,M
tetrachloroethylene
340 (50)
34 (5)
E
(perchloroethylene)
tetrachloromethane
126 (20)
13 (2)
N, 0
(carbon tetrachloride)
tetrachloronaphthalene
20 2 N,T,0
tetrachlorophenol, 2,3,4,6-
20 (o)
7
D
tetraethylenepentamine
400
40
D
tetraethyl lead
.75
.075
N,0
tetraethylorthosilicate
8500 (1000) 850 (100)
M
tetraethylpyrophosphate (TEPP) .5
.05 N,T,0,M
tetrahydrofuran
5900 (2000) 590 (200) NTOM
tetrahydronaphthalene
3030 (560) 303 (56)
D
(tetraline)
tetramethylammonium hydroxide 10
1
D
tetramethylenediamine
180
18
.D
tetramethyl'lead
.75
.075
N,0
tetramethyl succinonitrile
30 (5)
3 (-5) N,T,0,M
30
ASARCOELP 0001080
CAS No
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m3(ppb)
30-minute annual or l-hour
509-14-8 26544-38-7 7722-88-5 479-45-8
25265-77-4 7440-28-0 96-69-5 68-11-1 7719-09-7 62-56-6 137-26-8 7440-31-5
13463-67-7 7550-45-0 119-93-7 108-88-3 95-80-7 584-84-9 91-08-7 95-53-4
8001-35-2 126-73-8 102-85-2 76-03-9 120-82-1 71-55-6
79-00-5 79-01-6 75-69-4
67-66-3 1321-65-9 76-06-2
95-95-4 88-06-2 96-18-4 76-13-1
tetranitromethane
80 (10)
tetrapropenylsuccinic anhydride 40 (3.6)
tetrasodium pyrophosphate
50
tetryl (2,4,6-trinitrophenyl- 1
methyl-nitramine)
Texanol
835 (140)
thallium, soluble compounds
1
thiobis(t-butyl-m-cresol),4,4- 50
thioglycolic acid
1.25 (o)
thionyl chloride
50 (10)
thiourea (thiocarbamide)
50 (PM)
Thiram
10
tin compounds:
organic compounds (as Sn)
1
metal, oxide & inorganic
20
compounds (except SnH4)
titanium dioxide, respirable , 50
titanium tetrachloride
10
tolidine, o-
.2
toluene (toluol)
1880 (500)
toluene-2,4-diamine
50
toluene-2,4-diisocyanate (TDI) .36 (.05)
toluene-2,6-diisocyanate
.7 (.1)
toluidine, all isomers
90 (20)
[also 108-44-1; 106-49-0]
Toxaphene
5
tributyl phosphate
25 (2)
tributyl phosphite
20 (2)
trichloroacetic acid
70 (10)
trichlorobenzene, 1,2,4-
400 (50)
trichloroethane/ 1,1,1-
10800
(methyl chloroform)
(2000)
trichloroethane, 1,1,2-
550 (100)
trichloroethylene
1350 (250)
trichlorofluoromethane
28000 (O)
(Freon 11)
(5000)
trichloromethane (chloroform) 100 (20)
trichloronaphthalene
50
trichloronitromethane
6.7 (1)
(chloropicrin)
trichlorophenol, 2,4,5-
440
trichlorophenol, 2,4,6-
21 (o)
trichloropropane, 1,2,3-
600 (100)
trichloro-1,2,2-trifluoro-
76000
ethane, 1,1,2- (Freon 113)
(10000)
8 (1) N,T,0,M
4 (.36)
D
5 N,T,0
.1 0
84 (14)
D
.1 N,T,0,M
5 N, 0 *
5 (1) 5 1
N,T,0 D T
.1 N,T,0 2 N,T,0
50
1D
.02 N
188 (50)
T
5D
.035 (.005) NTO
.07 (.01)
M
9 (2)
N,T,0
.5 T,0,M
2.5 (.2) N,T,0
2 (.2)
D
7 (1)
N,T,0
40 (5) N,T,0,M
1080
M
(200)
55 (10)
T,M
135 (25)
N
5600
(1000)
10 (2)
0
5 N,T,0,M
.67 (.1) N,T,0,M
44 it
60 (10) 7600 (1000)
D
N,T,0 N,T,0
31
ASARCO ELP 0001081
CAS No
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/m*(ppb)
30-minute annual or l-hour
13121-70-5
102-71-6 121-44-8
280-57-9 112-24-3
75-63-8
63979-83-9
552-30-7 563-04-2 75-98-9
75-50-3 25551-13-7
121-43-7 109-76-2 123-17-1
25265-77-4
121-45-9 88-89-1 118-96-7 78-30-8 110-88-3 78-32-0 603-34-9 115-86-6 101-02-0 102-69-2 24800-44-0
27955-94-8 26523-78-4 786t19-6 7440-33-7
8006-64-2
tricyclohexyltin hydroxide (Cyhexatin) triethanolamine triethylamine triethylene phosphate triethylene diamine triethylene tetramine trifluoroacetoacetyl chloride trifluorobromomethane (Freon 13B1) tri(isobutenyl)succinic anhydride trimelletic anhydride trimetacresyl phosphate trimethylacetic acid (pivalic acid) trimethylamine trimethyl benzene (mixed isomers) trimethyl borate trimethylene diamine trimethyl-4-nonanone, 2,6,8-
(isobutyl heptyl ketone) trimethylpentanediol iso-
butyrate (Texanol) trimethyl phosphite trinitrophenol (picric acid) trinitrotoluene (TNT) triorthocresyl phosphate trioxane triparacresylphosphate triphenylamine triphenyl phosphate triphenyl phosphite tripropylamine tripropylene glycol
tris(hydroxyphenyl)ethane tris(nonylphenol)phosphite Trithion tungsten, insoluble cpds
soluble cpds turpentine
50 5 N,T,0
31 (5) 40 (10) 500 (67) 370 (80) 240 (40) 20 -- 61000 (10000) 10 (1)
3 (.5) 4 (1) 50 (7) 37 (8) 24 (4) 2 6100 (1000)
1 (.1)
T E D D D D N ,t,o,m
D
.1 3 250
1 (.4) 1250 (250)
.01 .3 25
* 125 (25)
T D D
N,T,0
13 50 3750 (500)
1.3 5 375 (50)
D D D
835
84
D
.5 (o) .5 (o) 5 1 190 3 50 30 25 16 400 (vapor) 25 (PM) 60 30 1 50 10 5560 (1000)
*
.1 N,T,0
.5 N,T,0
.1 N,T,0
19 D
.3 D
5 N,T,0
3 N,T,0
2.5
D
1.6
D
40 D
2.5
D
6D
3D
.1 D
5 N,T,0
1
556 (100) NTOM
32 , K'
ASARCO ELP 0001082
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/mJ(ppb)
30-minute annual or l-hour
UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU
112-37-8 5332-52-5
7440-61-1
51-79-6
undecanoic acid undecyl mercaptan (1-undecanethiol) uranium, soluble cpds
insoluble cpds urethane (ethyl carbamate)
11 (0) 39 (5)
.5 2 5
* 3.9 (.5)
.05 .2 .5
N N,0
D
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
110-62-3 1314-62-1 68956-68-3 108-05-4 100-42-5 593-60-2 75-01-4 107-13-1 100-40-3 106-87-6 75-02-5 75-35-4 75-38-7 88-12-0 25013-15-4
valeraldehyde vanadium pentoxide vegetable oil mists vinyl acetate vinyl benzene (styrene) vinyl bromide vinyl chloride vinyl cyanide (acrylonitrile) vinylcyclohexene, 4vinyl cyclohexene dioxide vinyl fluoride vinylidene chloride vinylidene fluoride vinyl-2-pyrrolidone, 1vinyl toluene
98 (o) .5 50
150 (40) 430 (100)(o)
200 (50) 130 (50) 43 (20) 4 (1) 570 (100) 19 (10) 40 (10) 26 (10) 180 2420 (500)
*
.05
N ,t,o,m
5 N,0
15 (4)
N
85 (20)
M
20 (5)
T, 0
13 (5)
T
4.3 (2)
T,0
.4 (.1)
T
57 (10) N, T, 0
2 (1)
N
4 (1)
0
2.6 (1)
N
18 D
242 (50)
T
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW
81-81-2 ----------------------------------------
Warfarin welding fumes wood dust, hard woods wood dust, soft woods
1 .1 N,T,0
50 5 T, 0
10 1
T
50 5 T, 0
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
1477-55-0 1300-71-6 1300-73-8
xylene, all isomers xylene-a,a'-diamine, mxylenol xylidine (mixed isomers)
3700(850) (O) 1 165 25 (5)
435 .1 17 2.5
(100) N,T,0
N,T,0
D
(.5)
N
33
ASARCOBLP00010S3
CAS No.
SUBSTANCE
EFFECTS SCREENING LEVEL Mg/mJ(ppb)
30-minute annual or 1-hour
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
7440-65-5
yttrium metal & compounds
10
1 N,T,0
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
7646-85-7
7646-85-7 13530-65-9
1314-13-2 1314-13-2 557-05-1 7440-67-7 148-01-6
zinc beryllium silicate, as Be
(see beryllium & cpds)
-------
zinc chloride fume
zinc chromates, as Cr
(also 1103-86-9; 37300-23-5]
zinc oxide, fume
zinc oxide, dust
zinc stearate
zirconium compounds, as Zr
zoalene (dinitolmide)
see TACB Reg III
10 1 .1 .01
50 5 50 5 50 5 50 5 50 5
N,T,Q T
N,T,0,M N, O N,0
T,0,M N,T,0
***THE END***
34 ASARCO ELP 0001084
ADDENDUM The Texas Air Control Board is an equal opportunity employer and does not discriminate on the basis of race, color, religion, sex, national origin, age or disability in employment or in the provision of services, programs, or activities. In compliance with the Americans with Disabilities Act, this document may be requested in alternate formats by contacting Rhonda J. Sing at (512) 908-1795, or FAX (512) 908-1794, or 1800-RELAY-TX (TDD), or by writing or visiting at 12124 Park 35 Circle, Austin, TX 78753.
ASARCO ELP 0001085