Document NGYKzJ8j9dvJEkDJG38NaOgQw
PPG INDUSTRIES, INC
TOJ J. A. Barter G. W. Lovett M. M. Fritz P. D. Ziegler
INTER-OFFICE CORRESPONDENCE
DATE: November 17, 1992
FROM: R. L. Rubino
LOCATION: 12S
SUBJECT: Ontario
Exposure
Levels - FYI
Attached is a document J. Barter recieved from the CMA discussing the "Proposed Change to Occupational Exposure Limits" for Ontario.
Robert L. Rubino Director, Health and Environmental Hygiene
NOV I 8
SL 067993
CHEMICAL MANUFACTURERS ASSOCIATION
November 10, 1992
To: Ethylene Dichloride Panel Members Re: Ontario Ministry of Labor -- Proposed Changes to Occupational
Exposure Limits Attached for your information is a notice of proposed changes to occupational exposure limits of 101 substances, including ethylene dichloride, from the Ontario Ministry of Labour. According to Table 1, the gurrent Ontario exposure limit for ethylene dichlgride is set at 40 mg/ni (10 ppm); the proposed exposure limit is 4 mg/m (1 ppm). The Ministry has requested public input on these proposed recommendations, although it is noted that "(i)t is expected that valid proposed limits would be endorsed by the Joint Task Force unless submissions received in the public review process demonstrate significant adverse economic impact." Demonstrating economic impact is described on page 2 of the August 4, 1992, notice. For ethylene dichloride, the submission deadline for comments is November 30, 1992. I apologize for the short notice; I just received this information yesterday. If you are interested in responding to this notice, please call me at 202-887-1146. Thank you.
Ethylene Dichloride Panel
NOV I 3
SL 067994
2501 M Street. NW. Washington, DC 20037 202-887-1100 Panafax 202-887-1237 Telex 89617'(CMA WSH)
Ontario
Ministere
Ministry of du Travail
Labour
de I'Ontario
onto*
at to* Ministar
.
Bur*u du Mintetre
400 University Av*. 14th Floor, Toronto, Ontario M7A 1T7 T*t: 416/326-7600 Fax: 416/326-1446
August 4,1992
NOTICE OF PROPOSED CHANGES TO OCCUPATIONAL EXPOSURE LIMITS OF
101 SUBSTANCES
r'
400, av*nu* University 14a*t*0*, Toronto (Ontario) M7A 1T7 T*l : 416/326-7600 Fac* : 416/326-1449
On Saturday, August 1,1992,1 published in The Ontario Gazette a notice of proposed changes to the Occupational Exposure limits of the 101 substances listed in die attached Table. Columns B to D of the Table list the current limits that are included in the Regulation respecting Control of Exposure to Biological or Chemical Agents, O. Reg. 654/86, and in certain designated substance regulations made under the Occupational Health and Safety Act, R.S.0.1990, c. 0.1, The proposed new limits for these substances are listed in Columns E to G of the Thble.
In the background provided in the Notice of Intent to Review Specific Occupational Exposure limits, published in The Ontario Gazette on October 26,1991,1 stated that the Joint Steering Committee on Hazardous Substances 'in the Workplace was established by the Minister of Labour to develop and review regulations designed to control worker exposure to hazardous substances, under the Occupational Health and Safety Act. The work of the Joint Steering Committee involves achieving consensus on matters such as: determining priorities for substances to be regulated; developing a process for updating the Regulation respecting Control of Exposure to Biological or Chemical Agents (O. Reg. 654/86); and examining new approaches to the regulation of toxic substances.
The Occupational Exposure limits Thsk Force of the Joint Steering Committee, consisting of labour and management representatives, is conducting the Interim Process for Reviewing and Revising Occupational Exposure limits. The substances to be included in the Interim Process were selected following a review of exposure limits in five jurisdictions which follow a comprehensive process for the setting of exposure limits based on labour-management consultation. The five jurisdictions are the United Kingdom, Germany, Sweden, Norway and the Netherlands. The regulated limits from these five jurisdictions are being reviewed and the supporting scientific information and criteria documents for the lowest limits are being collected. A total of 235 substances will eventually be covered under the Interim Process, as I announced on October 26,1991. Substances not covered under this notice will be dealt with in future notices.
SL 067995
-2-
f i
Based on the recommendations of the Thsk Force conveyed to me by the Joint Steering Committee, I am proposing the new limits listed in Columns E, F and G of the attached Thble, which are the lowest values found in one or more of the five jurisdictions. Information on the relevant documentation for the proposed limit and information on the other limits from the five jurisdictions for the substances listed in the Table is available from the Ministry, on request.
An essential part of this process involves soliciting public input to the Task Force on the proposed recommendations. This process encourages submission of comment on the socio-economic impact in Ontario and also scientific and technical data and studies not considered in the criteria documentation but having a direct bearing on the proposed limit. Therefore, written submissions are invited on any or all of the proposed limits. It is expected that valid proposed limits would be endorsed by the Joint Thsk Force unless submissions received in the public review process demonstrate significant adverse economic impact
To demonstrate economic impact, a submission should describe:
1. The operations or processes which give rise to the exposures of concern;
2. Current exposure levels of the substance(s) under review in particular operations of concern (and information about whether the exposure levels are estimated or have been measured by air sampling);
3. TTie decrease in exposure which would be required to bring exposures into compliance with the proposed lower limit;
4. Changes in equipment or operations necessary to achieve and maintain compliance with the lower limit;
5. Costs of such changes;
6. Information on the impact of such costs relative to the financial status of the operation, company, and/or industry as a whole.
To demonstrate that a proposed limit is not reasonably practicable to achieve technically, a submission should describe:
1. The operations or processes which give rise to the exposures of concern;
2. Current exposure levels of the substance(s) under review in particular operations of concern (and information about whether the exposure levels are estimated or have been measured by air sampling);
3. The decrease in exposure which would be required to achieve and maintain compliance with the proposed lower limit;
4. A dear explanation of the conditions or circumstances which make it technically unfeasible to achieve compliance with the proposed lower limit
SL 067996
-3-
In considering the technical and economic aspects of achieving compliance with these proposed occupational exposure limits, respondents should be aware that where typical exposure levels in the workplace may vary from day to day, it may be necessary to maintain typical exposures at levels lower than the stated occupational exposure limits in order to ensure compliance. The Thsk Force will also consider whether the jurisdiction has a skin notation for each substance and the evidence supporting the skin notation. Comments on the scientific evidence for a skin notation and also scientific data and studies not considered in the criteria documentation are invited.
Submissions should be sent to:
The Joint Steering Committee Secretariat Regulation Development Unit Health and Safety Policy Branch Ministry of Labour 400 University Avenue, 9th Floor Toronto, Ontario M7A 1T7
The deadlines for submissions are:
* Group 1 - October 30,1992 * Group 2 - January 29,1993 * Group 3 - April 30,1993
(For Groups see Attachment.)
Submissions will be made available for public examination. Requests for the confidential treatment of information will be considered; such requests should be made prior to submission of the confidential information. After consideration of public input, the Thsk Force would prepare for the Joint Steering Committee a report on the rationale and response to the public comments for recommended amendments to the occupational exposure limits, and this report would be published.
For further information, please contact Dr. Barry Lubek, Coordinator, Joint Steering Committee Secretariat, Ministry of Labour, Tel: (416) 326-7888; Fax: (416) 326-7889.
Minister of Labour
Si O67997
-4-
ATTACHMENT
CHEMICALS Group 1
Acetic add Acetone Aniline and homologues 1,2-Benzenedicarboxylic add bis(2-ethylhexyl)ester Borates, tetra, sodium salts (decahydrate) 2-Butanone (Butoxymethyl)oxirane Carbon dioxide Carbon disulfide Carbon monoxide Carbon tetrachloride Carbonyl fluoride Chlorcdifluoromethane Cumene Cyanogen chloride Cyclohexane Cyclohexene Diatomaceous earth, uncaldned (total dust) Dichlorodifluoromethane Al,2-Dichloroethane 1,1-Dichloroethene Diethyl phthalate 1.4-Dihydroxybenzene Dimethyl phthalate 1.4-Dioxane Ethylbenzene Ethylene oxide Graphite, synthetic (total dust) n-Heptane Mineral wool fibre (total dust) Predpitated silica (total dust) Silica gel (total dust) Titanium dioxide (total dust) Zinc oxide dust (total dust)
I*
SL 067998
m
f
-5-
CHEMICALS Group 2
Asbestos fibres - Amosite Asbestos fibres - Crocidolite Asbestos fibres - Other Cadmium and its compounds (as cadmium) Chromates, dichromates and other hexavalent chromium compounds (as
chromium) 2-Heptanone n-Hexane 2-Hexanone Iron pentacarbonyl (as iron) 2-Isopropoxyethanol Lead Magnesium oxide fume Mesityl oxide Nickel, metal and oxides and sulfides of (as nickel) 2-Nitropropane Nonane Octane Oil, mineral - mist Pentane Rhodium, metal and water-insoluble compounds of (as rhodium) Rhodium, water-soluble compounds, incl. chloride, nitrate, and sulfate (as
rhodium) Selenium & compounds excl. selenium hexafluoride, hydrogen selenide (as
selenium) Selenium hexafluoride (as selenium) Styrene Thntalum, metal and oxide (total dust) Tellurium hexafluoride (as tellurium) Tetraethyl lead 1.1.2.2- Tetrabromoethane 1.1.2.2- Tetrachloro-l,2-difluoroethane 1.1.1.2- Tetrachloro-2,2-difluoroethane 1.1.2- Trichloro-l,2,2-trifluoroethane 1,1,1-Trichloroethane Trichloromethane
SI 067999
! -- mim: -
T "**"
-6-
CHEMICALS Group 3
Acetaldehyde Arsine Benzene 13-Butadiene 2-Chloro-13-butadiene - Skin Dibutyl phthalate 13-Epoxypropane Ethylamine Ethylene glycol dinitrate Fenthion Formaldehyde Formic add Glutaraldehyde Hydrogen cyanide Hydrogen fluoride Iodoform l-Methyl-2,4,6-trinitrobenzene Methyl iodide 4,4'-Methylenebis-(2-chloroaniline) alpha-Methylstyrene Nitrogen dioxide Nitroglycerine Nitrotoluene ((sum of m-(99-08-l), o-(88-72-2), and p-(9~99-0)isomers)) Parathion Persulfates, alkali metal, including ammonium, sodium and potassium
persulfate Phenol Phenylhydrazine Polychlorinated biphenyls (PCBs) Silane Toluidine (sum of o-, m~ and p-isomers) Trichloroacetic add THethylamine Vinyl acetate Vinyl bromide
sl 068000
1A1 CHEMNAME
TABLE t. TABU OF CURRENT AND PROPOSED OCCUPATIONAL EXPOSURE UMTS PUBLISHED FOR REVIEW AB OF AUGUST I, 1992
CURRENT ONTARIO LIMIT
nr
TWAEV
mg/m*
ppm
(Cl
STEV
mg/m*
ppm
r~i
CEV
mg/m*
ppm
n
TWAEV
mg/m*
ppm
PROPOSEO ONTARIO LIMIT
(FI
STEV
mg/rn*
ppm
(Ot CEV mg/m'
ppm
(HI SOURCE
AcaiaWahyda 70 07 0
Aaatte mU 04*10*7
AoilOfM 07 04-1
Anflnt and homolooutf * Skin 02-03-3
Arabia 7704-42-1
Aibtitea nbm Amoaka 1332-21*4
Aabaatoi flbraa - CmddoKta 1332-21*4
Aibttioa fflma -Othar 1332-21-4
Bantana 71-43-2
1,2-8*ni*n*dlcibylc Bcfcf Mt|2-tNvBMiyl|MIW 117-B1-7
im-ss-4BontM, Mtm, Mdkn nka |Neab|rdr>l>l
100 2S 17BO a 0.10 O.B/cm* 0.2/cm' 1,0/cm* 10 B
100 10 37 700 2 0.00 O.B/om* 0.2/em' 1.0/em' 0
B
10
4B 2B
13 0
ooo
12B
41
0.01
0.003
0.1/cm* 0.1/an'
0,1/on* 0.1/cm1
0.1/cm* 0.1/an*
1.0 0.0
3
2B
B
0 0
20
10 2
3
SWE BWC SWE OWE
non
NOR NOR NOR OWE SWE
SWE
SL 068001
IAI CXEMNAME
TABLE 1. TABLE Of CURRENT AND PROPOSED OCCUPATIONAL EXPOSURE UMTS PUBLISHED FOR REVIEW AS Of AUOUST I, 1S
' IBI
TWAEV
mg/m*
ppm
CURRENT ONTARIO LIMIT ICI
BTEV
malm'
ppm
ID) ^
CEV
mp/m'
ppm
I IEI
TWAEV
malm'
ppm
PROPOSEO ONTARIO LBMT
CF|
STEV
mg/tmT
ppm
(01 CEV
malm'
ppm
(HI SOURCE
100-99*0
2-Butanon* 7993 3
IButoiiylrmthyll ouHrm 2420*08*0
C*dmkim and lit ompeund (m udmluml T440-43-S
Carbon dloxkU 1Z4-3S-9
Carbon dlaufftdp Skin 78-164
Cprbon monoKlda 10-08-0
Cartron (aUPchlofWa Skki SS-Z3-S
Cwbonyt Ihiorklp 383-80-4
2-CMora-T.3-fcuta<flana-8kki 120-8S-B
22 090 133 0.08
31 40 31 8.4 30 3838
10 200 80S 2V
300
B4000
30000
10
38
8
10 1000
2.2 180 80 0,02
1 80 10
IB ZB U.S 8 3.8 1780
8 ZO z
1 800
BOB 100 SO 18
18000
10000
IS 8
NOR BWi SWE NETH BWE SWE SWE SWE NETH SWE NOR
Is
n
SL 068002
(AP CHEMNAME
TABLE t. TABLE OF CURRENT AND PROPOSED OCCUPATIONAL EXPOSURE LIMITS PUBLISHED FOR REVIEW AS OF A(MUST 1. 1992
nr
TWACV
mg/m'
ppm
CURRENT ONTARIO LIMIT
(Cl
STEV
mo/m'
ppm
n
(DJ
CEV
mg/m*
ppm
1--------------------------------(E|
TWAEV
mg/m*
ppm
PROPOSED ONTARIO LIMIT
"1
IFI
mgtm' STEV ppm
[01
CEV mg/m*
ppm
IHI SOURCE
chromium compound* (u chromkiml 7440-47-3
Cumono - 6Mn 98*1-3
Cyanogn cfclorid* 804-77-4
CyclohoXMio 110-92-7
CydohiiiM 110-93-*
0*05 245
90
1030 1010
300 300
DtalomtcMHi urth, mwlclnwf (total dual) 08955-54-9
10
Dtbutyl pfithalata B4-74-2
8
79-71-9
1 ,l-IHchloro*thna 107-09-2
1,1-Plehlowthom 79-38-4
Hathyl phlhalati S4-6S-2
4940 40 20 5
1000 10 5
* TMa Brttkh occupation*! .xpoii/r* lmft la for raaplrabla duat
0.75
0.3
0.02 120 2B
S2S >10 1.B* 3 24TS 4 4 3
150 ISO
-
500 1 1
0.8
S 4000 20
TBO B
8
8WE
OWE 0.25 NTH
NOR BM BAI SWE SWE SWE NOR SWE
SL 068003
(Al
CHEMNAME
1,4-Diydit>rbru.r. 123-31-9
Dtanthyl pblluliH 13M1-3
M-Dbnm Mb 113*1-1
1,2-EpwypmpMM 79-909
EthytvnJn. 79-04-7
EthylbwiiOT. 100-41-4
ETitln-ariMi-ow OkM*
EthylM* glycol 4Mim* BU> 02S-90-S
F.mMm Mh 99-39-9
himIMydt
90-00-0
Form*. *dd 04-19-4
OhitanMdird* 111-30-9
TABLE 1. TABLE OF CURRENT AN0 PROPOSED OCCUPATIONAL EXPOSURE UMTS PUBLISHED FOR REVIEW AS OF AttOUST 1, 19B2
CURRENT ONTARIO LIMIT
1,,
TWAEV
mfl/m1
ppm
<C)
9TEV
mg/m'
ppm
(D) 1
CSV
mg/m*
ppm
i
TWAEV
m/m*
nm
PROPOSED ONTARIO LIMIT
in. BTEV
msM*
' ppm
CEV
mB/m'
ppm
IKI SOURCE
2 B 90 47 ta 4
0.31 0.2 1.S 9.4
20 10 100
0.0*
10
t3 0
10
2 0.*
0.9 3 IS 2 9 200
1 * 90
IS 0.03 0.1 0.0 0.9 93
1.9 9
3 0.0 0.1
14. 9
1.9 9
0.29
9Wt OWE NOR NOR NETH OWE NOR OWE NETH NOR EWE NETH
SL 68004
1AJ
CHEMNAME
OrapMt*, iynlhMt (tetl duit)
nHp1an 142-92-5 2'Htplifioni 110*43-0 n-Hini 110*04*3 2'Nnanoflt 591-70*0 HyOogan eymU 74-90-0 Hfdngm fluorid* 76S4-39-3 tottobm 75-47-0 tarn pMtftearfnnyl In Iron} 13403-40-0
109'6sT>,lr,t
iMd 7439-92-1 Mroniifcim oxkh turn* 1300-40-4
TABLE t. TABU OF CURRENT AND PROPOSED OCCUPATIONAL EXPOSURE UMTS PUBLISHED FOR REVIEW AS OF AUQIKT 1, 1M2
^ (01
CURRENT ONTARIO LMWT tcp
TWAEV
mg/m*
ppm
STEV
mg/m'
ppm
(Dl ^
CEV
mjlm'
ppm
^ |E!
TWAEV
mg/m*
ppm
PROPOSED ONTARIO LIMIT
IFI
STEV
mglm'
ppm
|0| CEV malm'
1
ppm
(H) SOURCE
10 1035 233 170 20
400 50 50 5
10 C.S 105 0.18 10
0,0 0.1 zs
11 10 2.0 3
5 000 ns 90 4
200 IS 1
3 0.00 44 0,05 5
0.2 0.01 w
10
SWE SWE NOR NETH NOR B 0 NOR 1.7 2 SWE NETH era NETH NOR SRI
SI* 068005 i
i- i
P
I
u .1
b
: f SL 068006
3
a
aa
3* M ii i
f
i' >
rJ
ia
Pf
31 1 i
I -r .
: !t
Pa rai z.n
` 1-;
. it
--*
(A)
CHEMISTAM E
Nonane 111-84-2
Octant 111-66-9
Off, mineral - Mitt 8012-96-1
ParatMon * Skin 66-30-2
Panlane 109-66-0
Pareuffatea, eNtal metal, including ammonium, aodium and potaaakim pareutfale
7727-64-1
Phenol - Skin 108-95-2
Phan^hySraikia - Skki 100-63 0
MraMnlwtad Mptwiyli (PCS*) 1330-20-3
Pmdpkatad *Mea (tout dmtl
Rhodium, mdd and watn-farakiMa compounda of (n tMum)
7440-16-6
TABU 1. TABU OF CURRENT AND PROPOSED OCCUPATIONAL EXPOSURE UMTS PUBLISHED FOR REVIEW AS OP AUGUST 1, 1992
nr
TWAEV
mg/m*
ppm
CURRENT ONTARIO LIMIT
1C}
STEV
mg/m*
ppm
r"i
CEV
mg/m*
ppm
i.
TWAEV
mg/m*
ppm
PROPOSED ONTARIO IIMIT
ffl
STEV
mg/m*
ppm
Ml CEV mg/m*
1
ppm
SOURCE
1060 14C0 s 0.1 1770 6
200 300
600
10
s 725 1 0.0S 760 2
too 160
260
2
NOR NOR SWE NOR NOR NOR
19 22 0.0 S 10 1
6
4 0.0 0.01 4 0.1
1
02 0.3
SWE NOR SWE OER BRI
SL 068007
IA| CHEMNAME
TABLE 1. TABLE OF CURRENT AND PROPOSED OCCUPATIONAL EXPOSURE UNITS PUBLISHED FOR REVIEW AS OF AUGUST 1, 1SS2
nr
TWAEV
mg/m*
ppm
CURRENT ONTARIO UWT
(Cl
6TEV
mg/m*
ppm
:n
CEV
mg/m*
ppm
',,
TWAEV
mpfm'
ppm
PROPOSED ONTARIO LIMIT
IH
TEV
tollin'
ppm
1
I0| CEV
ppm
IH)
source
Rhodium, wain aokHMa compound*, krwl. chbrfcf*. nitrate, and autfata
( rhodium) T440-1BB
Sihntum li compound* exol. idmlum heMfluroUe, hydrogen cdanUc (ea Mtankim)
T7B2-4B-2
Sctonlimi hexafluoride (* tricnlumj 7783-76-1
6Rene 7803*82*6
M ffU Rotal Anil
Slyntw 100*42*9
Tantalum, metal end nMa (total duatl 7440-29*7
Talufam haxaffcroritfa fca laHurlum) 7763*89-4
70-27-*
1,1,2,2-TatrachlofO'l ,2-dffluoreethane
1.1, U-T*tnehloi-l,2-BlHiwfMllMn* TB-I1-S
0.01
0.2
0.16 6.6 10 213 10 0.2 14 41*9 . 41*9
0.06 9 90
1 500 500
0.001
0.003
0.1 1.0
0.1 0.023
0.7 0.8
1.9
4 09 20
9 10 >
0.1
7 0.9
834 100 934 100
34 34
1
100 100
BRI
0ER
0ER BRI OER BWE m BRI BRI BRI BRI
SL 068008
141
CHEMNAME
Titntthyl IMS TS-00-2
Titanium dloildt {tout du*t) 13d63-67*7
Tduldlnt (turn of o*,m* amt p4aom*r) Skin 95 53-4
1,1 r2*THeMoro*1,2,2~lrffluoto*tftan 76-13*1
TrlchknoiOithr add 76 03 9
1 ,1,1 -Trietibroathono 71*66*6 Trleblornnuham 67*04*3
TrltthyUmln* 121*44*9 Vinyl .c.tat. 108-0S-4 Vinyl bfomfcf* 693*60*2 Zln*xlrf dirat (tot*l dual} 1314*13*2
TA8LE 1. TABLE OF CURRENT AMO PROPOSED OCCUPATIONAL EXPOSURE UMITS PUBLISHED FOR REVIEW AS OF AUGUST 1, 192
i
TWAEV
ffig/m1
ppm
CURRENT ONTARIO LIMIT
ICI
STEV
mp/m*
ppm
CEV
mg/m*
ppm
i
TWAEV
mg/m*
ppm
PROPOSED ONTARIO UMT
(FI
STEV
mg/m*
ppm
10) CEV mg/m*
ppm
(HI SOURCE
0.1 10 9i
0.06 5 4.S
i
0.2
SWE NOR SWE
7690 0.7 ' 1910 49 41 36 22 10
1000 1 360 10 10
6
16
3900
600
1 0.76
2T0 60
10 2
92
40 10
30
41
6
NETH SWE SWE SWE SWE 6R1 NOR SWE
SL 068009
A|
ihemname
Tokddbie [turn ol -,m- and p-homeral - Skin 95-63-4
1,1, 2-Triehlom -1 ,2,2-lrlfWoathene 76-13-1 Trichloroacetic acid 76*03-9 1,1,1 -Trlchloroethene 71-65-6 Triehkwcmethane 67-66-3 Trletfiylembie 121-44-6
Vinyl acetate 108-05-4 Vinyl bromide 533-60-2 Zinc oalde duet (total dint) 1314-13-2
TABLE 1. TAME OF CURRENT AND FWOFOAED OCCtFAIWUl EXPOSURE UWn PUBLISHED FOB REVIEW A OF OCTOBBI 31, lM
CURRENT ONTARIO LIMIT
1,
TWAEV
mf/fn*
ppm
(C) STEV mg/m*
ppm
--7"i
cev
mg/m*
ppw
TWACV
ir^g/m1
ppm
PROPOSED ONTARIO UMIT
(F|
STEV
mg/m'
ppm
(Of CEV mg/m
--------- 1
'
ppm
(HI SOURCE
92
4.6 1
829
7660
1000
6.7 . '
1
1910
350
49 10
41 10
36 12
22 6
10
62
16
4000 1 100 10 9 35 4
900
50
2
2
12
1
2222
252
600
22
40 10
S3 IS
6W|
HUH
SWE SWE SWE SWE NOR SWE
SL 680lo
Ministry
of
Labour Ontario
[ Published in The Ontario Gazette October 31, 1992 ]
SUPPLEMENTARY NOTICE REGARDING
PROPOSED CHANGES TO OCCUPATIONAL EXPOSURE LIMITS OF
101 SUBSTANCES
Supplementary notice is hereby given of changes to the specifications of the Notice of Proposed Changes to Occupational Exposure Limits of 101 Substances, which was published in The Ontario Gazette on August 1,1992.
The deadline for submissions on Group 1 substances ^extended to November 30.1992,
A revised Thble containing current Occupational Exposure Limits with associated proposed new limits is attached to this Supplementary Notice. The revisions to the former Thble published with the August 1,1992 Notice are underlined in the attached Thble. Carbonyl Fluoride and alpha-Methylstyrene have been removed from the Thble.
In addition, the following substances have been moved from Group 1 to Group 2:
Acetone Carbon dioxide Carbon disulfide Carbon monoxide Carbon tetrachloride Chlorodifluoromethane
sh 0680H
Cumene Diatomaceous earth, uncalcined (total dust) Dichlorodifluoromethane 1,4-Dihydroxybenzene Ethylbenzene Ethylene oxide n-Heptane The revised lists of substances under Groups 1, 2, and 3 are attached. All other specifications of the Notice of August 1,1992 apply. For further information, please contact Dr. Barry Lubek, Coordinator, Joint Steering Committee Secretariat, Ministry of Labour, Tel (416) 326-7888; Fax; (416) 326-7889.
SL 068012
ATTACHMENT
CHEMICALS Group 1
Acetic acid Aniline and homologues 1.2- Benzenedicarboxylic acid bis(2-ethylhexyl)ester Borates, tetra, sodium salts (decahydrate) 2-Butanone (Butoxymethyl)oxjrane Cyanogen chloride Cyclohexane Cyclohexene 1.2- DichIoroethane 1,1-Dichloroethene Diethyl phthalate Dimethyl phthalate 1.4- Dioxane Graphite, synthetic (total dust) Mineral wool fibre (total dust) Precipitated silica (total dust) Silica gel (total dust) Titanium dioxide (total dust) Zinc oxide dust (total dust)
CHEMICALS Group 2
Acetone Asbestos fibres - Amosite Asbestos fibres - Crocidolite Asbestos fibres - Other Cadmium and its compounds (as cadmium) Carbon dioxide Carbon disulfide Carbon monoxide Carbon tetrachloride Chlorodifluoromethane Chromates, dichromates and other hexavalent chromium
compounds (as chromium)
Cumene Diatomaceous earth, uncalcined (total dust) Dichlorodifluoromethane 1.4- Dihydroxybenzene Ethylbenzene Ethylene oxide
SL 068013
n-Heptane 2-Heptanone n-Hexane 2-Hexanone Iron pentacarbonyl (as iron) 2-IsopropoxyethanoI Lead Magnesium oxide fume Mesityl oxide Nickel, metal and oxides and sulfides of (as nickel) 2-Nitropropane Nonane Octane Oil, mineral - mist Pentane Rhodium, metal and water-insoluble compounds of (as
rhodium)
Rhodium, water-soluble compounds, incl. chloride, nitrate, and sulfate (as rhodium)
Selenium & compounds excl. selenium hexafluoride, hydrogen selenide (as selenium)
Selenium hexafluoride (as selenium) Styrene Tantalum, metal and oxide (total dust) Tellurium hexafluoride (as tellurium) Tetraethyl lead 1.1.2.2- Tfetrabromoethane 1.1.2.2- Tetrachloro-l,2-difluoroethane 1.1.1.2- Tetrachloro-2,2-difluoroethane 1.1.2- Trichloro-l,2,2-trifluoroethane
1,1,1-THchloroethane THchloromethane
CHEMICALS Group 3
Acetaldehyde Arsine Benzene 1,3-Butadiene 2-Chloro-l,3-butadiene - Skin Dibutyl phthalate 1,2-Epoxypropane Ethylamine Ethylene glycol dinitrate Fenthion Formaldehyde Formic acid Glutaraldehyde Hydrogen cyanide Hydrogen fluoride Iodoform l-Methyl-2,4,6-trinitrobenzene Methyl iodide 4,4'-Methylenebis-(2-chloroaniline) Nitrogen dioxide Nitroglycerine Nitrotoluene ((sum of m-(99-08-l), o-(88~72-2), and
p-(99~99-0)isomers)) Parathion Persulfates, alkali metal, including ammonium, sodium
and potassium persulfate Phenol Phenylhydrazine Polychlorinated biphenyls (PCBs) Silane Toluidine (sum of o-, m- and p-isomers) Trichloroacetic acid THethylamine Vinyl acetate Vinyl bromide
SL 068015
iAJ CHEMNAME
TABLE t. TABLE OF CUHRSVT AMO PROFOSH1 OCCUPATIONAL EXPOSURE LIMIT* PUBLISHED FOR REVIEW AS OF OCTOB8I 31. 19SZ
r~rr
TWAEV
mg/m*
PPt"
CURRENT ONTARIO UNIT
ICI STEV
mg/m*
ppm
IO) ^
CEV
mg/m*
ppm
t--B------------------------
TWAEV
mg/m*
ppm
PROPOSED ONTARIO UMIT
(FI
STEV
mg/m*
ppm
101 CEV mg/m'
' ppm
CHI SOURCE
A1aldfiydi 75,070
Actle *cM 04-19-7
Actions 6764-1
AniHna and homologii*i * Skin 62-53-3
Anini 7784-42-1
Aabaatoa flbrai Amoilta 1332-21-4
A,b,,to* fibre, CnwUoIt* 133221 4
A *b attot fibres -Other 1332-21-4
Smitna 71-43-2
I.T-Bwiiwiwflcartxreyle >d bl [ 2-thyi ai yn* it 117-B1-7
BonU*. ttre, (edbn ,lt, (dtcahydrat*) 1303-90-4
/
180 2S 1780 8 0,10 0.6/em' 0.2/cm* 1.0/cm* 10 B
100 10 37 7B0 2 o.os O.S/em* 0.2/em' 1.0/em* B
1
B
IB
48 25
13 B
22S 12S
41
0.01
0.003
0.1/em*
0.1/em'
01/em*
0.1 /cm*
0,1/cm*
0.1/cm'
1.B 0.6
3
SO 26 8
9 B
2B
IS
10 2
3
SWE SWE NOR SWE NOR NOR NOR NOR SWE SWE
SWE
SL
0680l6
f A1 CHEMNAME
TABLE 1. TABLE OF CURRENT AND PROPOBB) OCCUPATIONAL EXPOSLWE UMTTB PUBLISHED FOR REVIEW AS OF OCTOBBt SI. 19U
CURRENT ONTARIO LIMIT
' IB)
TWAEV
mg/n'
ppm
Id STEV mg/m*
ppm
ID) CEV mg/m'
* ppm
1 IE)
TWAEV
mg/m*
ppm
PROPOSED ONTARIO LIMIT
(F)
STEV
mg/m*
ppm
(0) CEV mo/m*
1 ppm
(H) SOURCE
T,3Birtadiena 100-99-0
2-Butanona 78-93-3
IButoxymathyl) oxbana 2426-09 0
Cadmium and ha compound* (a* cadmium) 7440-43-8
Carbon dloxld* 124-30-9
Carbon dbutflda Skin 75-15-0
Carbon monoxide 630 08-0
Carbon lalrachlorida Skin 50-23-5
2- Chloro-1,3-butadlana-Skln 120-99-0
ChtorodHIuoromathana 7B-45-6
Chromtrtaa, dlchromala* and oOiar hexavalacTt chromium compound* laa chromium I 7440-47-3
22 590 133 0.05
31
40
31
36
3535 0.05
-
10 200 ", 25
10 35 5 10 1000
i
885
300
54000
30000
2.2 150 50 0.02
1 50 10
12 22 12 3.6 1800 0.02
5
25
2 1 600
300 BO
100 15
18000
25
10000
1
12 18 . 2500
2 5
253
NOR SWE 6WE NETH SWE SWE
ma
NETH SWE SWE SWE
SL 068017
IA| CHEMNAME
TABU 1. TABU OF CURROtT AND PROPOSED OCCUPATIONAL EXPOSWtt UMTTB PUBLISHED FOR REVIEW AS OF OCTOBBt *1, 1BSZ
CURRENT ONTARIO UMIT
nr
TWAEV
mg/m*
ppm
ICI 8TEV mg/m'
ppm
ID| 1
CEV
mg/m'
ppm
rr
TWAEV
mg/m'
ppm
PROPOSED ONTARIO LIMIT
(FI
STEV
mg/m*
ppm
IOI CEV mpfm*
ppm
(HI SOURCE
Cumn* Skin M-02-0
CyanogM chlofMf 000-77-4
Cyctohaxana 110-82-7
CYeWiMini 110-03*8
Dhrtrnnaeaoua rth, uneaWnad (total duatl 88856-64-9
Dfcutyl phthalata B4-74-2
Dlchkrrodinuoromathana 75-71-8
1,2'Diehbreathr) 107 00 2
1,1-Dlchloraalhano 75-35-4
(Hathyl phthalata 84-86-2
1,4-Dffiydioxybaniwn 123-31-8
Dhnathyl phthalata 131-11-3
245
1030 1010 10 5 4940 40 20 5 2 5
60
300 300
1000 10 6
0.76
0.3
120
25
626
160
133
33
SWE
0.8
0.25
NOW
NOR
510
150
M23
1
35
PER SWE
2500
500
4000
760
SWE
41
20 6
SWE
41
NOR
35
SWE
0.5 1.6
SWE
35
BWE
SL 068018
IAJ
CHEMNAME
1,4-Ofcncnc * Skbi 123-91-1 1,2-Epoiypropcn* 7S-66-9 Ethyl*mine 76-04-7 Ethyfc*iu*fi* 100-41-4
Ethyhn* OkM* , 76-21-8 Ethykn* slycot dlnltral* Skin B28-90-6
Fcnthlon SkJn 65-38-9 Form*kl*hyd* 60-00-0 Formic *cld 04-18-6 Glutar*ld*hyd* 111-30-8 Oraphlto, cynllvctk (Iota! duct)
n-HoptMU 142-82-5
TABLE 1
PUBLISHED FOR REVIEW AS OF OCTOBBI SI, IM2
CURRENT ONTARIO OMIT
' 1*1
TWAEV
mg/m'
ppm
fCI STEV mg/m*
ppm
ID)
CEV
mg/m*
ppm
IE)
TWAEV
mg/m '
Ppm
a90
18 5
47 20
21
18 10
96
436 100 H2 115
200
60
18 10
0.31
0.06
0.20
0.03
0.2 1.6 1
0.1 0.6 0.6
9.4 6
53
0.8 SJi
10 6
1636
400
2045
522
600
200
PROPOSED ONTARIO UMIT
IF)
STEV
mg/m*
ppm
10) CEV mg/m'
* ppm
CH) SOURCE
252 122 Si
0.6 0.1
96
0.26
1200
300
NOR NOR NETH SWE iHf SWE NETH NOR SWE NETH SWE SWE
SL 068019
IAI CHEMNAME
2-Hapt*ne 110-43-0
n-HeiMMie 11064-3
2-Kx*non* 691-78*
Hydrogen tyinkli 74 90 8
Hydrogen fluoride 7684-39*3
Iodoform 76-47-8
Iron perttecarbonyl 13463-40-6
Iron)
2-ttoprapoxv*1 hand 109-59-1
Lwd 7439-92-1
Magnwlum oxW* turn* 1309-48-4
Mnltyl oxkU 141-7S-7
Mhyl lodld* - SUn 74-8S-4
TABLE 1. TAMJE OF CURRENT AMO PROPOSED OCCUPATIONAL EXPOSURE LMMTS PUBLISHED FOR REVIEW AS OF OCTOBER 31, ISM
1
TWAEV
mg/m*
ppm
CURRENT ONTARIO LIMIT
CCI STEV
mg/m' ppm
n
IDI
CEV
mg/m*
ppm
IT
TWAEV
mg/m*
ppm
PROPOSED ONTARIO LIMIT
(FI
STEV
mg/m*
ppm
(0) CEV mg/m*
I
ppm
(H) SOURCE
233 179 20
60
50
6 F
10 o.s 105 0.15 10 90 12
0.9 0.1 25
15 2
116
25
SO 25
41
11 10
2.6 3
3 0,2
0.08
0.01
44 10
0.05
6 10
40 10
s1
29 S
NOR NETH NOR 6 5 NOR 1.7 2 SWE NETH tw NETH NOR BRJ NOR SWE
SL 068020
t
IA)
CHEMNAME
1 -MathyT 2,4,8 Irinltrobeniann - Skin 118-96-7
4,4'-M*thrl*nbit -12-ehloroanRne)-Skln 101-14-4
Mineral wool flbra Hotel duatl
Nickel, metal ond oiidee and euffidee ol III rilckall
7440-02-0
NHrog*n dlexMf 10102-44*0
Nltrogtyc*rin* - Skin 55 03 0
2-Nltropropana 79-40-9 NHrotoluona ||um ol m-199-08-11.
o-tS8-72-2). and p-199-99-01 laomafill-Skfci 99-08-1
Noninn 111-84-2
Octant 111-05-9
Ol, mineral Mlat 8012-95-1
TABLE 1. TABLE OF CUMBtT AND PROPOSED OCCtMATKMAL EXPOSURE U9MTB PUBLISHED FOR REVIEW AB OF OCTOB8! 31. IBM
1
TWAEV
mg/m'
ppm
CURRENT ONTARIO LIMIT
(C) STEV mg/m*
ppm
ID] 1
CEV
mg/m*
ppm
nr-
TWAEV
mg/m*
ppm
PROPOSED ONTARIO LIMIT
IFI
STEV
mg/m'
ppm
10) CEV mg/m'
' ppm
IHI
SOURCE
0.5
20.2
10 1
<22 *
5.0 3 0.5 0.05 35 10 11 2
0.1
0.005
5 0.5
*01
21 0.3 0,03 3.8 1 5.5 1
0.2 0.02 0,9 0.1
QER
SWE SWE NETW NOR
1050
200
1400 *
300
5
10
525 725 1
100 150
,
NOR NOR SWE
SL 068021
IAI
C HEM NAME
Pirathlon - Skirt 66-36-2
Pintana 103-66-0 PanuMalia, alkal natal, hekidhg
ammonium, todkim and potaatlum paraulfala 7727-64-1 Phand - Skin 108-96-2
PhanyliYdrattn* * Skki 100 63 0 Potychlorirutad blphanyb (PCBal 1338-36 3 PracipHatad ilei {total duatl
Rhodium, modi mmI wator-haohibto compound) of |u thodiuml
7440-1 ea Rhodium, motor aohiblo oompounda, bid.
7440- 16-B
TAKE 1. TABU OF CURKBfT AND PROPOSED OCCUPATIONAL EXPOSURE UMTS PUBLISHED FOR REVIEW AS OF OCTOBBI Jt. t*M
CURRENT ONTARIO UMIT
1.
TWAEV
ng/ln1
ppm
(Cl
8TEV
mg/m*
ppm
1101
CEV
mg/m*
ppm
TWAEV
mg/m*
ppm
PROPOSED ONTARIO UMIT
(FI
TEV
mg/m*
ppm
101 CEV mg/m'
1
ppm
(HI SOURCE
0.1 1770 B
aoo
0.06 760 2
260
NOR NOR NOR
19 22 0.06 10 1
0.01
S *
4 o.a 0.01 4 0.1
1
0.001
a2
0.03 0.3 0.003
SWE NOR SWE OBI SRI
n
I
SL 068022
Al :hemname
Salanium S oompounda axel. aalanlum haxaRurolda, hf&vgtn saUnkU talanluml
7781-49 2
Saknkim fitxtfluorirf* (at c#1*nJunt| 7783*79-1
Sian* 7803 82 8
S4ca gal (total dun)
Styrm
100-42-8
Tanuhim, miUit and oxkf* (total duatl 7440-26-7
T*turhHn tiaxafluotlda 7783 80-4
l9ur)um)
1.1,2,2-Tatrabromoathana 79-27-8
1,1,2,2-Tnnchloro-1 .Z-Stnuafonham
1,1,1,2-T attaehlore-2,2-dMuoroathana 78-11-9
Talftatfiyt iud 78-00-2
Titanium dloxlda (total dun) 13483-87-7
TABLE 1. TAKE OF CUMtSVT AMD PROPOSED OCCUPATIONAL EXPOSURE UMTS rVBUSHED FOR REVIEW AS OF OCTOBER SI. 1992
r (81
TWAEV
mg/m*
PP"<
CURRENT ONTARIO UMIT
(Cl
STEV
mgftn*
ppm
(01 1
CEV
mg/m'
ppm
r (E)
fm TWAEV
mg '
ppm
PROFOSEO ONTARIO UMIT
ff)
STEV
mg/m'
ppm
(0) CEV mg/m'
W>m
(HI SOURCE
0.2
0.1 1.0
OER
0.18
0.08
8.8 S' 8
10 213
60
10
0.2 0.02
14 1
4198
4183
600 800
0.1
to
0.1 0.7 4
m
6 0.1 7 834 834 0.08 8
0.028 0.8
1.S
20 10
O.S
100
834
too . 834
0.2
1
100 100
OER
SRI
OER SWE
SRI
SRI SRI SRI SRI
8WE
sm
SL 0&8023