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 |
| Indene | 95-13-6 | 10 | 45 | ||||||||
| Indium and compounds (as In) | 7440-74-6 | 0.1 | |||||||||
| Iodine | 7553-56-2 | (C)0.1 | (C)1 | 0.1 | 1 | ||||||
| Iodoform | 75-47-8 | 0.6 | 10 | ||||||||
| Iron oxide fume (as Fe) Total particulate | 1309-37-1 | 10 | 10 | ||||||||
| Iron pentacarbonyl (as Fe) | 13463-40-6 | 0.1 | 0.8 | 0.2 | 1.6 | ||||||
| Iron salts (Soluable) (as Fe) | Varies With Compound | 1 | |||||||||
| Isomyl acetate | 123-92-2 | 100 | 525 | 100 | 525 | ||||||
| Isomyl alcohol (primary and secondary) | 123-51-3 | 100 | 360 | 100 | 360 | 125 | 450 | ||||
| Isobutyl acetate | 110-19-0 | 150 | 700 | 150 | 700 | ||||||
| Isobutyl alcohol | 78-83-1 | 100 | 300 | 50 | 150 | ||||||
| Isooctyl alcohol | 26952-21-6 | 50 | 270 | X | |||||||
| Isophorone | 78-59-1 | 25 | 140 | 4 | 23 | ||||||
| Isophrone diisocyanate | 4098-71-9 | 0.005 | 0.02 | X | |||||||
| 2-Isopropoxyethanol | 109-59-1 | 25 | 105 | ||||||||
| Isopropyl acetate | 108-21-4 | 250 | 950 | 250 | 950 | 310 | 1185 | ||||
| Isopropyl alcohol | 67-63-0 | 400 | 980 | 400 | 980 | 500 | 1225 | ||||
| Isopropylamine | 75-31-0 | 5 | 12 | 5 | 12 | 10 | 24 | ||||
| N-Isopropylaniline | 768-52-5 | 2 | 10 | X | |||||||
| Isopropyl ether | 108-20-3 | 500 | 2100 | 500 | 2100 | ||||||
| Isopropyl glycidyl ether (IGE) | 4016-14-2 | 50 | 240 | 50 | 240 | 75 | 360 | ||||
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