Document O368bjQZDydqykdDwo0aNay3w
NO. 3
OCCUPATIONAL HEALTH REGULATIONS
MAXIMUM PERMISSIBLE CONCENTRATIONS OF ATMOSPHERIC CONTAMINANTS IN PLACES OF EMPLOYMENT
EffacMv* JJy 1, tfil
CONSULT LOCAL HEALTH DEPARTMENTS AND PHYSICIANS FOR
INFORMATION AND ADVICE ON METHOOS OF CONTROL OVER HEALTH HAZARDS TO ALL WORKERS
AND INDUSTRIAL DISEASES AND INJURIES
OH-U-2 J.lr 1958
OH -13-1
1957)
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TEXAS STATE DEPARTMENT OF HEALTH DIVISION OF OCCUPATIONAL HEALTI* Aastin, Tax**
These etenderda wrt eaedded aad adopted by Tha Texas State Board of Health oo June 9, 1958
la accordance with the authority created la Article 4418 4 of the Ravisad Civil Statutea, State of Tazaa,
and are prooulgated aleo la accordaace vith Article 4477, Section 19.
COHICTTS
1. Scope; Purpose; Availability of Pertinent References ........................... ...... ...............................
II. Applicability of Figures Listed Herein ...........................
III. Revision...........................................................................................
IV. Definitions.................................. '.................................................
V. Kaxlauca Peraissible Concentrations During Coe Working Day.........................................................................
A. Cases aad Vapors ...... 3. Toxic Delate, Punas aad Mists C. Mineral Dusts..................... .
1 1 1 1
2
n dO <o
MAXIMUM PERMISSIBLE CONCENTRATIONS
< 07 ATMOSPHERIC CONTAMINANTS IH PLACES OP EMPLOYMENT
I. Scope; Purpose; Availability of Pertinent References
Scope:
This regulation applies to all places of employment In Texas. It does not cover maximum peralasible do* of radiation or the minimum eavlronDental sanitation requirements, nor In* elude measures required for control of comsualty external air pollution or air pollution nuisances.
Purpose;
The purpose of this regulation is to prescribe to employers the stsxi.wm average atmospheric concentration of contaminants to which they are peraitted to expose employees during an eight-hour working day In their places of employment. In cluding industrial establishments.
Pertinent References: Copies of related laws, regulations, opinions
of the Attorney General of Texas, and Advisory Standards
currently applicable will be provided to any citizen of
Texas upon request.
II. Applicability of Plgures Listed Herein
Individual people react differently after excessive exposures to ataospherie concentrations of contaminants in places of employment. Listed herein are weighted average concentrations generally safe in places of employment during an eight-hour working exposure. These are not maximum values which cannot be exceeded momentarily depending upon, but not limited to, such factors as nature of contaminant; frequency of occurrence of high concentration; variable durations of exposure; probability of acute poisoning from high concentration for even short periods; cuwiletive affects. Employers shall consider these factors prior to exceeding values listed herein.
III. Revision
Values listed herein are based upon information obtained from recent experience, experimental study reports, or e ccabinscion of the two. Regular review will raault in revision ss justified. The State Boatd of Health solicits and will consider pertinent dete beeed upon facts and experiences received from individuals, industries, governaentel egsncles, or others.
IV. Definitions
1. Industrial Establishment Is defined to mean an Institution, a place, building or location related to manufactures or to the product of industry or labor.
2. Places of fealoment la defined to mean any place where two or L more persona are directly or indirectly employed by Another for
direct or indirect gain or profit.
V. MAXIMUM PERMISSIBLE CONCENTRATIONS DURING OHS WORKIHG DAY
A. Caae and. Vaoorg
P.P.M.*
Approx. Mg. per Cu, M.r
Acetaldehyde.............................................................................
200
Acetic acid.............................................................................
10
Acetic anhydride.....................
5
Acetone ...................................................................................... 1,000
(t)Acetylene tetrabromlde ........................................................
1
Acrolein.............................. '.....................................................
0.5
Acrylonitrile.........................................................................
20
Allyl alcohol.........................................................................
5
Allyl chloride...............................................................
5
(t)Allyl glycldSrl ether (AGE)...............................................
10
Allyl propyl disulfide........................................................
2
Ammonia........................................................................
100
Aayl acetate.............................................................................
200 -
Aayl alcohol (lsoaayl alcohol).......................... . . .
100
Aniline ......................................................................................
5
Arsine............................................................ .............................
0.05
Benzene (benzol)..................................................................................25
Benzyl chlorldfe ....................................................................
1
(t)Boron trifluoride ..........................................
1
Bromine......................................................................................
1
Butadiene (1,3-butadiene) ...................... : ................. 1,000
Butanone (methyl ethyl ketone) .......................................
250
Butyl acetate (n-butyl acetate) ..................................
200
Butyl alcohol (n-butanol)...............................................
100
(t)Butyl glycidyl ether(BGZ)(n-butyl glycidyl ether).
50
Butylaaine...................................................
5
Butyl cellosolve (2-butoxyethanol)..............................
50
(t)Butyl aercaptan .....................................................................
10
Carbon dioxide ........................................................ .... 5,000
Carbon disulfide......................................
20
Carbon conoxlde.....................................................................
100
Carbon tetrachloride ............................................................
25
Cellosolve (2-ethoxyethanol)...........................................
200
Cellosolve acetate (2-ethoxyethyl acetate) ....
100
Chlorine................................................................
1
(a)(t)Chlorine dioxide .....................................................................
0.1
Chlorine trifluorlds ............................................................
0.1
(t)Chloroacetaldehyde . ... .................................................
1
Chlorobenzene (oonochlorobenzer.e)..............................
75
(t)Chlorobroaoaethane (ClBrCHg) ................................... . .
400
Chloroform (trlchloroaethane) .......................................
100
1-Chloro-l-oitropropaue....................................................
20
Cbloropicrin.....................
1
360 25 20 2,4C0 11 1.2 4$ 12 15 U5 12 70 1,050 360 19 0.2 Bo
5 3 7 2,200 7^0 950 300 270 15 240 35 9,000 60 110 160 7**0 540 3 0 0.4 3 350 2,100 490 100 7
'Parts of vapor or gas per million parts of air by voluae. /Approxlaate nilligrass per cubic neter of air. (t)Toxlcologlcal information or injury reports on these items is of recent
origin and cost probably vill require revision at an early date.
(a)Rev - Added 1958.
-3 -
A. Cases and Vapors (Cent.)
Chlercprene (2-chloro-l,3-butadiene)..................... CresoL- (ail isoers)....................................................... Cyciohenae...................................... Cyclobexanol ....................................................................... Cyclohexanone ....................................................................... Cyclohexene................. .......................................................... Cyclopropane ....................................................................... Decaborane........................................................... .... . . . Diacetone alcohol (U-hydroxyU-<ðyl-
2-pentanane) . . ........................................................... Dlhoraae ................................................................................ o-Dichlorobenxene ............................................................... Bichlorodifluorccethane ................. . ..................... . 1.1-Dichloroethane ...... .................................. 1.2-Diehloroethane (ethylene diehicride) . . . . 1.2-Diehloroethylene ....................................................... Dichloroethyl ether.......................................... .... . . . Dichlorocnncfluoroaetbane ............................................... 1,1-Diehloro-l-nltrcethane .......................................... Dichlorotetrafluoroethane ............................................... Dlethylaalne . ................................................................... Difluorodlbroacoethane .......................................... . . (t) Diglyeidyl ether (DG2).................................................. Dliaohutyl ketone ... ................................................... Dinethylaniline (n-diaathylaniline).......................... (t) Dlsethyl fcraaaide . . ...................................... .... . . (a)(t) 1-1 Dieethylhydroxine ....................................................... Dinethylsuifate...................................... ............................. Dloxane (diethylene disxide) ...................................... (t) Diprcpyleneglycolsethyiether . .................................. (a)(t) Spichlorchydria .................................................................... Ethyl acetate ... ........................................................... Ethyl acrylate .................................................................... . Ethyl alcohol (ethanol)......................'............................ (t) Ethyl eercaptan................................................................... Ethyl amine..................... ......................................... .... . . Ethylbenzene ......................... . ...................................... Ethyl broaide . . ............................................................... Ethyl chloride .................................................................... Ethyl ether ....................................................... .... . . . . Ethyl foraate ........................................................................ Ethyl silicate....................................................... . . . Ethylene chlorchydrln .......................................... . . .
P.P.K.*
Approx. Per Cu. i
25 5
uoo 100
100 uoo uoo
0.05
90 22 l.Uoo U10 Uoo 1,350 690
0
50 0.1 50 1,000 100 100 200
15 1,000
10 1,000
25 100
10
50
5 20
0.5 1 100 100
25 Uoo
25 1,000
250
25 200 200 1,000 uoo
100 100
5
2U0 0,
300 U,950
uoo Uoo
790 90
U,200 60
7,000
75 860
55 290
25 60
1
5 360 600
90 1,U00
100 1,900
6U0
U5 870 890 2,600 1,200 300 850
16
Parts cf vapor or gas per oillion parts of air by voluse.
/Approximate niiiigrans per cubic seter of air.
(c)Tcxicoicgicai infcrnation cr Injury reports on these iteas is of recent origin and cost probably will require revision at an early date.
(a)li'ew - Added 1953.
-4-
A, Gases tod Vadors (Cont.)
Ethylenediaaine.............................................. Ethylene dibroalde (1,2-dlbroaoeChant) ..... Ethylene lalne............................. Ethylene oxide.............................................. Pluorlne............................. .................................................. Pluorotrlchloromethane ... ....................................... Poraaldehyde.................................. .... Furfural .......................................................... (t) Purfuryi elcohol ................ Casoline .... .............................. ........ (t) Clycldol ............................................. Hepeane (n-heptane) ............... Hexene (tv-hexane).................................................. Hexenone (methyl butyl ketone) ................................... Kexone (aethyl Isobutyl ketone) ......... (e)(t) see-Hexyl ecetete ................................................................ Kydrarlne ................................................... ............................. Hydrogen broalde ................ Hydrogen chloride ................................................................ Hydrogen cyenlde................................................................_ Hydrogen fluoride ..... ........................................... Hydrogen peroxide, 90X .............................. ..... Hydrogen aelenlde ..... ........................................... Hydrogen sulfide ........................................................... . Iodine ........................................................... ......................... Isophorone . ........................................................................ (t) Isopropyl glycldyl' ether (ICE).............................. . Isopropylaalne...................................................... (n) Mesityl oxide . .................................................................... Methyl ecetete.......................................................... Methyl acetylene ................ Methyl ectylete . ................................................................ Methyl elcohol (aethenol) ................. ....... Methyl broalde.................................................................... Methyl cellosolve (2-aethoxyethanoI) ..................... Methyl cellosolve ecetete (ethylene glycol
aonoaethyl ether ecetete) ........................................... Methyl chloride.................................................................... Methylel (diaethoxyae thane)........................................... Methyl chlorofora (1,1,1-trichloroethene) .... Methjieyclohexaae ................................................................ Hethylcyclohexenol....................................................... . Methylcyclohexenone..........................................
P.P.M.*
10 25 5 50 0.1 1,000 5 5 50 500 50 500 500 100 100 100 * 1.
5 5 10 3 1 0.05 20 0.1 25 50 5 25 200 1,000 10 200 20 25
25 100 1,000 500 500 100 ICO
Approx. Mg. per Cu. M./
30 190
9 90 0.2 5,600 6 20 200 2,000 150 2,000 1,800 410 410 590
1.3 17
7 11
2 1.4 0.2 30 1 140 240 12 200 610 1,6S0 35 260 80 80
120 210 3,100 2,700 2,000 470 460
Parts of vepor or gas per allllon parts of elr by voluae. /Approximate ailligraas per cubic aeter of sir.
(t)Toxicologieal inforaetion or Injury reports on these lteas is of recent origin and aost probably will require revision at an early date.
(n)New value, 1958.
(a)Kev - Added 1958.
-5-
A. Gaaca and Vapara (Cont.)
Methyl forwate............................................... Methyl iaobutyl carblnol (rethy1 aoyl alcohol)
(t) Methyl oercaptan ................................................................ (t) Methyl atyTena ....................................................................
Methylene chloride (dichlorooethane) ......................
(t) Mo&oaethyl aniline ... ........................................... .
naphtha (coal tar) ................. ..... .................
Haphtba (petroleua) . . .- ...............................................
Hickel carbonyl .................................. ........
nitric acid
....................................................................
P-Hltroanlltnw ....................................................................
nitrobenzene ........................................................................
Hltroetbane....................................................... .... . . . . nitrogen dioxide ..................... ..........
Hitrcglyceria........................................................................
Hitroeethane ........................................................................
2-Hitrcpropaaa ... ....................................................... mtrotoluena.................................... .... .................................
Octane . ............................... ............
Ozone ............................................... .....................................
Pentane . . . '......................................................................... Peatsnone (aethyl propyl ketone)..............................
Perehloroethylena (tetrachloroethylene) .................
(t) Perchlaroocthyl eercaptan...............................................
Phenol .......................
......
(t) Pttenyl glycidyl ether (PCE)...........................................
Pbenylhydrmxine.............................. ..................................... Phosgene (carbonyl chloride).................................. ....
Phosphine .................................................................... .... . . Phosphorus trichloride . ...............................................
Propyl acetate . ................................................................ Propyl alcohol (iaoprcpyl alcohol) ..........................
- Propyl ether (iaoprcpyl ether) ..................................
(a)(t) n-Pro?yl nitrate - .................................. ...... Propylene, dichloride tl^^dichloropropane). . . .
Propylene xaiaa .....................................................................
(t) Propylene oxide ....................................................................
Pyridine ....................................... -.................................... .... Quinone ..... ....................................... ......
Stihine ......................................................................................
Stoddard solvent . . .......................................................
Styrene aonoeer (phenylethylene) ........
Sulfur dioxide ........ .......................... . .
P.P.H.*
Approx. Mg. per Cu. H./
100
25 50
100 500
2 200 500
0.001
5 1 1 100
.5 0.5
100 50 5
500 0.1
1,000 200 200
0.1
5 50
5 1
0.05 0.5 200 U00
500
25 75 25 100
10
0.1
0.1
500 100
5
250 100 100 480 1,750
9 8oo 2,000
0.007 25
6
5 310
9 5 250 180 30 2.350 0.2
2,950 700
1.350 0.8
19 310
22 4
0.07
3 840
960
2,100 110 350
60
240
30 0.4
0.5 2,900
420
13
Farts of vapor or gaa per nillion parta of air by voluse
/Approximate nlillgrasa per cubic aeter of air.
(t)Toxicological lnforaatioa or injury reporta on these iteaa la of recent origin and coat probably will require revision at an early date.
(a)Nev - Added 1958.
-6 -
A. Gaaca and Vapors (Coot.)'
Sulfur hexafluoride ...... Sulfur aooochlorida ...... Sulfur pcntafluorid* . . . . . 2-Tertiery butyl toluene . . . (c) Tertiary butyl alcohol . . . . 1,1,2,2-Tetreehloroethane . . . Tecrshydrofuren .............................. Tetrsnitroaethana .......................... Toluene (toluol) ................. . . o-Toluidine................. .. .' . . , (t) Tolylene-2,4-diisocyanat . . . Trichloroethylene ....... (a)(t) Trichloropropane .......................... (t) Trie thy1 aalne................. .... . . Trifluorcocaobroooaethana . . . Turpentine .................................. . Vinyl chloride (ehloroechylene) (t) Vinyl toluene .................................. Xylene (xylol) .............................. (c) Xylidine ........... (#)(e) Teflon decoopoaition produett . (#)(t) Pentaborane (B.5H9).....................
Approx. Mg. per Cu. H.i
1,000
1 0.025
10 100
5
200
1 200
5 0.1 200 50
25 1,000
LOO 500
100 200
5 0
0
6,000 6 0.25
60 300
35 590
8 750
22 0.7
1,050 300 100
6.100 S60
1,300 480 870 25 0
0
B. Toxic &iaes, Puaet, and Mitct
Aldrln (1,2,3,4,10,10-hexachloro-l,4,4a,5,8,8ahexahydro-l,4,5,8-diaeth4nonaphehalene) ....
Aasate (atrponlua sulfasate).......................................... Antiaony . ............................................................................ AKTU (alpha naphthyl thiourea) ......... Arcenic................. ................................................................... Bariua (toluble compounds) . . . . -.......................... (t) Berylliuri..................... Cadaiua oxide fuse........................................................... Calciua arsenate............................................................. , Chlordane (l.l.A.S.S.l.S.S-octachloro-Sa.A,7,7&-
tetrahydro-4,7-ethanoindane)................................ . Chlorinated caaphene, 6OX............................................... Chlorinated diphenyl oxide...........................................
Mg. per Cu. M.f-
0.25 15
0.5 0.3 0.5 0.5 0.022 0.1 0.1
2 0.5 0.S
Parts of vapor or gaa per nillion parts of air by voiuae.
/Approximate ailligrm* per cubic aeter of air.
(t)Toxicological information or injury reports on these iteas it of recent origin and aote probably vill require revision at an early date.
(a)New - Added 1958.
(#)Utxtil aore data are forthccaing, it is important that ataospheric concen trations of these sacerlals to which workers are exposed suit be kept at aa near 0 as possible.
/tUUlgraas of dust, fuae, or sisc per cubic aetar of air.
7 J B. Toxic Ousts. fume* end Hlsts (Cone.)
Mg. per Cu. M. j
Chlorsdlpbenyl (42X chlorine) ..........................................................
Chlorodlphenyl (54X chlorine) ..................................... .....
Chromic ecld end chromecee (e CrOO...............................
Creg herbicide (sodium- 2-/2,4-dichloropheaoxy/ echenol
hydrogen sulfate).........................................
Cyanide (ai CH) ........................................................................................
2,4-D(2,4-dichloroptaenoxyacetic acid) ...........
DOT (2,2-bltip-chlorophenyl7 -1,1,1-trlchloroethana) ....
Die1drin (1,2,3,4,10,10-hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,
8a-occahydro-l,4,S,6-diaethanonaphehalenc)..............................
Dlalerobenzane...................................... ............................................. ....
Dlnltrocoluene .............................................................................
Dinitro-o-cresol ...................................................... .................................
EPN (0-ethyl 0--nlcrophenyl thionobenzenephosphonaca) . . ,
Ferbaa (ferric dimethyl dithiocarbasate) ....... 1 . .
Ferrovanaditza duet .............................
^
Fluoride ....................................................... ............
Rydroqulnone.......................................................... ... .................................
Iron oxide fuse ............. ... ..*.....
Lead.................................................................................................... ....
Lead arsenate -.. .......................... ..............
Lindane (hexachloroeyelohexane, gasma Isomer) .......
(t) Lithium hydride........................................................................... ....
Kagneslva oxide fume .........................................................
Kalathion (0,0-dlsethyl dlthiophoepbaCe of diethyl
aercaptosuccinate) .................................................................
Manganese .............................. ........................................ .............................
Mercury ...... ...................................................... ......
Mercury (organic compounds)...............................................................
Methoxychlor (2,2-di--ethoxyphenyl-l,l,l-trichloroethane).
Molybdenum (soluble compounds) .. ................. . ..........................
(insoluble compounds) ..............
Hleotine...................................................... ..................................................
(t) Paradlchlorobenzene .....................................................
Parathion (0,0-diethyl 0--nitrophenylthlophosphate) ....
Pentachloronapbthelene......................... .................................................
Pentachloropheaol...................................................................................
(a) (t) Phosphoric Acid........................................................................... ....
Phosphorus (yellov) ... ......................................... ......
Phosphorus peacaehlorlde ................................. . ..............................
Phosphorus pentasulflde .........................................................................
Picric acid . .................................................. .................................
1 0.5 0.1
IS S
10 1
0.25 1 1.5 0.2 0.5 15 1 2.5 2 15 0.2 0.15 0.5 0.025 15
15 6 0.1 0.01
15 5
15 0.5
450 0.1 0.5 0.S 1 0.1 1 1 0.1
^Milligrams of dust, fume, or aist per cubic meter of air.
(a)Toxlcological information or Injury reports on these items Is of recent origin and most probably vlll require revision at an early date.
' (a)New - Added 1958.
T
-8B. Toxic Duata. fwi and Mlata (Cont.)
M*. per. Cu. M. t
Pyre thrum .................................................................................................. Rottnone ......................... .... .................................................................... Selenium compouada (a* S)............................................................................ Sodium hydroxide.............................. ....................................................... Sodiucj fluoroecetate (1080)
Strychnine....................................................................................... Sulfuric add.................... TBDP' (Tetraethyl dlchlonopyrophoephate) ......... TSFP (Tetraethyl pyrophoapbeta) ........................................................ Tellurluar.........................................................................................
Tetsyl (2,4,6erlaieropbeayiaethylaitremlac) .......
Thlraa (tecreaethyl thiuraa dlaulflda) .................. .....
Thallium (aoluble coapouada)...................................................
TlCanlua dioxide.......................................................................
Triehloroaaphthalana..........................................
,
Trinitrotoluene..................................................................
(a)Triorthocreayi phoaphace ..... ...................... . ..................
Uranium (aoluble compouada) ....................................... .....
(iaaoiuble compouada)
.
Vaaadiuc
(725 duat) '....................................................................
(725 fume)_..........................^ , ...... ....... Warfarin (3-a-ecetonylbenryl/ -4-hydxoxycouaMrla) .... (e) Tecriua and inorganic compouada ............. Zinc oxide fuaaa....-.................................... ZlreoaiisB compouada(aa Zr).......................
2 5
2
1 0.2
1.5 5
15 5
0.1 0,05 0.25
0.1 0.05
0 0.15
0.1 0.1
1
0.1 0.5 5 15 5
(
C. Hinaral taaca
Aliasinua oxide .......................................................................................... Aabaacoa ...................................................... Duat (nulaanca, no free alllcc).......................... ........................ Kica (below 5X free alllca)............... Portland cement . ................................................................................. Talc.............................................................................................................. Silica
High (above SOX free SiOj)..................... ............................. .... , Medium (5 to 50X free SlOj)........................................................
low (below 51 free Si02).............................. ............................. . Silicon carbide..................... -............................................................ Soapacone (below 5X freeSIO2)..........................................................
M.P.P.C.?.**
50 5
50 20 50 20
3 20 50 50 20
JMilllgraae of duat, fume, or slat per cubic meter of air.
(t)Toxieological Information or Injury reporta on tbeae lteaa la of recent origin and aoae probably will require revlalon at aa early dace.
**Millicna of particlea per cubic foot of air
STATE OF -TEXAS COUNTY OF TRAVIS
I I I
CERTIFICATE
I, che undersigned, hereby certify Chet in my official capacity as General Counsel, Texas Department of Health, I tm authorized to make this certification. I further certify that che attached is a true, correct and exact copy of the following described document:
Occupational Health Regulation No. 3 entitled* "Maximum Permissible Concentrations of Atmospheric Contaminants in Places of Employment" as adopted'by the Texas [State] Board of Health on June 9, 1958, effective July 1, 1958,
as contained in the official records of the Texas Department of
Health.
Witness my hand and the seal of the Texas Department of
Health on this the 29th day of
April, 19 87
Hal L. Nelson General Counsel Texas Department of Health