Toxic Exposure Limits: Chloroform
Toxic chemical exposure limits for hazardous gases and vapors, combining ERPG (Emergency Response Planning Guidelines: ERPG-1/2/3), IDLH (Immediately Dangerous to Life or Health), TLV-TWA (ACGIH Threshold Limit Value, time-weighted average), and NRC Spacecraft Maximum Allowable Concentration (SMAC) limits for 60-min, 24-hr, and 90-day continuous exposure. Covers ~49 chemicals under the ERPG framework and ~30 under NRC SMAC. Data from Perry's Chemical Engineers' Handbook 8th Ed., Tables 23-16 and 23-17.
| chemical name | exposure framework | cas number | continuous 24h ppm (ppm) | continuous 90day ppm (ppm) | erpg 2 (ppm or mg/m3) | erpg 3 (ppm or mg/m3) | exposure 60min ppm (ppm) | idlh (ppm or mg/m3) | nrc volume | tlv twa (ppm or mg/m3) |
|---|---|---|---|---|---|---|---|---|---|---|
| Chloroform | ERPG | 67-66-3 | — | — | 50 ppm | 5000 ppm | — | Ca (500 ppm) | — | 10 ppm |
| Chloroform | NRC_Vol1 | 67-66-3 | 30 | 1 | — | — | 100 | — | 1 | — |
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