Hazard search

Chloroform

CAS number
67-66-3
Also known as
Chloroform (trichloromethane) · Chloroform (trichloromethane) (hydrocarbons, halogenated) · Formyl trichloride · Methane trichloride · TCM · Trichloromethane

UK workplace exposure limits

LimitValueApplies to
8-hour TWA 2 ppm
8-hour TWA 9.9 mg/m³

Notations

  • Sk: can be absorbed through the skin

Sampling methods

MethodSamplingMedium AnalysisPart numbers
MDHS 80 Active (pump) GC-ECD 226-357
MDHS 88
VOCs by solvent desorption and GC-FID
Method document (opens in a new tab)
Passive Anasorb CSC (350 mg) or Anasorb® 747 (500 mg) passive sampler GC-FID 575-001
575-002
MDHS 96
VOCs by solvent desorption and GC
Method document (opens in a new tab)
Active (pump) Charcoal tube (100/50mg) GC-FID 226-01
MDHS 104
VOCs by solvent desorption and GC
Method document (opens in a new tab)
Active (pump) Charcoal tube (100/50mg) 226-01
NIOSH 1003
Halogenated hydrocarbons by GC-FID
Method document (opens in a new tab)
Active (pump) Charcoal tube (100/50mg) GC-FID 226-01
OSHA 05
Chloroform by GC-FID
Method document (opens in a new tab)
Active (pump) Charcoal tube (100/50mg) GC-FID 226-01
ASTM D5466
VOCs by GC -MS
Method document (opens in a new tab)
Active (pump) Canister GC-MS
Non-agency
Chloroform by Colorimetric analysis
Direct-reading Gastec detector tube 810-137
Non-agency
VOCs by solvent extraction and GC
Method document (opens in a new tab)
Passive Anasorb CSC (500mg) passive sampler 690-105
Other Passive GC-FID 575-001
Other Passive GC-FID 575-002
Other Passive GC-FID 690-105
Other Internal Passive GC-FID 690-105

Methods and limits as published by their agencies and summarised by SKC; check the current method and the limit that applies to you before sampling.

Source: SKC Ltd (UK), Hazard Search, used with SKC's permission (opens in a new tab); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)