Safety & Loss Prevention
Z-Table
University of Wisconsin System Administration
29 CFR Ch. XVII (7-1-92 Edition)
Table Z-1-A -- Limits for Air Contaminants
| TRANSITIONAL LIMITS | FINAL RULE LIMITS** | ||||||||||
| PEL* | TWA | STEL (c) | CEILING | ||||||||
| SUBSTANCE | CAS NO (f) | ppm(a) | mg/m3(b) | SKIN | ppm(a) | mg/m3(b) | ppm(a) | mg/m3(b) | ppm(a) | mg/m3(b) | SKIN |
| Emery | 12415-34-8 | ||||||||||
| Total dust | 15 | 10 | |||||||||
| Respirable fraction | 5 | 5 | |||||||||
| Endosulfan | 115-29-7 | 0.1 | X | ||||||||
| Endrin | 72-20-8 | 0.1 | X | 0.1 | X | ||||||
| Epichlorohydrin | 106-89-8 | 5 | 19 | X | 2 | 8 | X | ||||
| EPN | 2104-64-5 | 0.5 | X | 0.5 | X | ||||||
| 1,2-Epoxypropane; See Propylene oxide | |||||||||||
| 2,3-Epoxy-1-propanol;See Glycidol | |||||||||||
| Ethanethiol;See Ethyl mercaptan | |||||||||||
| Ethanolamine | 141-43-5 | 3 | 6 | 3 | 8 | 6 | 15 | ||||
| Ethion | 563-12-2 | 0.4 | X | ||||||||
| 2-Ethoxyethanol | 110-80-5 | 200 | 740 | X | 200 | 740 | X | ||||
| 2-Ethoxyethyl acetate (Cellosolve acetate) | 111-15-9 | 100 | 540 | X | 100 | 540 | X | ||||
| Ethyl acetate | 141-78-6 | 400 | 1400 | 400 | 1400 | ||||||
| Ethyl acrylate | 140-88-5 | 25 | 100 | X | 5 | 20 | 25 | 100 | X | ||
| Ethyl alcohol (Ethanol) | 64-17-5 | 1000 | 1900 | 1000 | 1900 | ||||||
| Ethylamine | 75-04-7 | 10 | 18 | 10 | 18 | ||||||
| Ethyl amyl ketone (5-Methyl-3-heptanone) | 541-85-5 | 25 | 130 | 25 | 130 | ||||||
| Ethyl benzene | 100-41-4 | 100 | 435 | 100 | 435 | 125 | 545 | ||||
| Ethyl bromide | 74-96-4 | 200 | 890 | 200 | 890 | 250 | 1110 | ||||
| Ethyl butyl ketone (3-Heptanone) | 106-35-4 | 50 | 230 | 50 | 230 | ||||||
| Ethyl chloride | 75-00-3 | 1000 | 2600 | 1000 | 2600 | ||||||
| Ethyl ether | 60-29-7 | 400 | 1200 | 400 | 1200 | 500 | 1500 | ||||
| Ethyl formate | 109-94-4 | 100 | 300 | 100 | 300 | ||||||
| Ethyl mercaptan | 75-08-1 | (C)10 | (C)25 | 0.5 | 1 | ||||||
| Ethyl silicate | 78-10-4 | 100 | 850 | 10 | 85 | ||||||
| Ethylene chlorohydrin | 107-07-3 | 5 | 16 | X | 1 | 3 | X | ||||
| Ethylenediamine | 107-15-3 | 10 | 25 | 10 | 25 | ||||||
| Ethylene dibromide | 106-93-4 | Tbl. Z2 | Tbl. Z2 | Tbl. Z2 | Tbl. Z2 | Tbl. Z2 | Tbl. Z2 | Tbl. Z2 | Tbl. Z2 | Tbl. Z2 | Tbl. Z2 |
| Ethylene dichloride | 107-06-2 | Tbl. Z2 | Tbl. Z2 | Tbl. Z2 | 1 | 4 | 2 | 8 | |||
| Ethylene glycol | 107-21-1 | 50 | 125 | ||||||||
| Ethylene glycol dinitrate(k) | 628-96-6 | (C)0.2 | (C)1 | X | 0.1(k) | X | |||||
| Ethylene glycol methyl acetate;See Methyl cellosolve acetate | |||||||||||
| Ethyleneimine; See 1910.1012 | 151-56-4 | ||||||||||
| Ethylene oxide; See 1910.1047 | 75-21-8 | ||||||||||
| Ethylidene chloride;See 1,1-Dichlorethane | |||||||||||
| Ethylidene norbornene | 16219-75-3 | 5 | 25 | ||||||||
| N-Ethylmorpholine | 100-74-3 | 20 | 94 | X | 5 | 23 | X | ||||
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