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Exposure Limits and Odor Threshhold Table
| CHEMICAL | PEL (ppm) |
TLV (ppm) |
STEL (ppm) |
Odor Threshold (ppm) |
IDLH (ppm) |
| ACETIC ACID | 10 | 10 | 15 | 2 | 1,000 |
| ACETONE | 1000 | 500 | 750 | 2-100 | 20,000 |
| ACETONITRILE | 40 | 2 | - | 20 | 4,000 |
| BENZENE | 1 | 0.5 | 2.5 | 30 | 2,000 |
| N BUTYL ALCOHOL | 100 | 50 | 50 | 0.1-3 | 8,000 |
| CARBON TETRACHLORIDE | 10 | 5 | 10 | 75 | 300 |
| CHLOROFORM | 50c | 10c | - | 100 | 1,000 |
| DIETHYL AMINE | 25 | 5 | 15 | 0.02-25 | 2,000 |
| FORMALDEHYDE | 0.75 | - | 0.3 | 1 | 30 |
| HEXANE | 500 | 50 | - | - | 5,000 |
| METHYL ALCOHOL | 200 | 200 | 250 | 10 | 25,000 |
| PHOSGENE | 0.1 | 0.1 | - | 0.5 | 2 |
| PYRIDINE | 5 | 5 | - | 0.01 | 3,600 |
| TOLUENE | 200 | 50 | - | 0.2 | 2,000 |
| TRIETHYLAMINE | 25 | 5 | 15 | 1 | 1,000 |
| XYLENE | 100 | 100 | 150 | 0.5 | 10,000 |
PEL: Permissible Exposure Limit, OSHA Standard 29 CFR
1910.1000, Tables Z-1, Z-2, or Z-3
TWA-TLV: Time Weighted Average-Threshold Limit Values, 1999-2000 ACGIH
TWA-STEL: Time Weighted Average-Short Term Exposure Limit, 1999-2000 ACGIH
IDLH: Immediately Dangerous to Life or Health, NIOSH-MSHA
PPM: Parts of Chemical Per Million Parts of Air
C: Maximum Allowable Exposure
