Hazard search

Dichloromethane

CAS number
75-09-2
Also known as
DCM · Dichloromethane (methylene chloride) · Dichloromethane (see methylene chloride) · Methylene chloride · methylene chloride (Dichloromethane) · Methylene chloride (see online Passive Sampling Guide) · Methylene dichloride

UK workplace exposure limits

LimitValueApplies to
8-hour TWA 100 ppm
8-hour TWA 353 mg/m³
15-minute STEL 200 ppm
15-minute STEL 706 mg/m³

Notations

  • BMGV: a biological monitoring guidance value exists
  • Sk: can be absorbed through the skin

Sampling methods

MethodSamplingMedium AnalysisPart numbers
MDHS 72
VOCs by thermal desorption and GC
Method document (opens in a new tab)
Active (pump) Chromosorb 106 tube (300mg) TD, GC 226-358
MDHS 80 Active (pump) TD, GC 226-358
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) Two tandem charcoal tubes (150mg) 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
MDHS 104
VOCs by thermal desorption and GC
Method document (opens in a new tab)
Active (pump) Chromosorb 106 tube (300mg) 226-358
NIOSH 1005
Dichloromethane by GC-FID
Method document (opens in a new tab)
Active (pump) Two charcoal tubes (150mg) in series GC-FID 226-01
NIOSH 2549
VOCs (screening) by thermal desorption and GC -MS
Method document (opens in a new tab)
Active (pump) Thermal desorption tube 226-330
OSHA 80
Methylene chloride by GC-FID
Method document (opens in a new tab)
Active (pump) Carbosieve S-III tube (130/65mg)
OSHA 1025 Active (pump) GC-FID 226-82
224-29D
222-3L-1
ASTM D 5466 GC-MS
EPA Active (pump) GC-FID 226-82
EPA TO-17 Active (pump) TD, GC 226-350
226-347
224-26-02
224-26-CPC
EPA TO-17
VOCs by thermal desorption and GC
Method document (opens in a new tab)
Active (pump) Two Thermal Desorption tubes
EPA TO-17
Toxic Organic Compounds by thermal desorption and GC
Method document (opens in a new tab)
Passive Passive sampler
Non-agency
Dichloromethane by Colorimetric analysis
Direct-reading Gastec detector tube 810-138
810-138L
810-51L
Non-agency
VOCs by solvent extraction and GC
Method document (opens in a new tab)
Passive Anasorb CSC (500mg) passive sampler 690-105
Non-agency
VOCs by solvent extraction and GC
Method document (opens in a new tab)
Passive Anasorb CSC (500mg) passive sampler with rate reducer 690-105
690-300
Other Passive GC-FID 575-001
Other Passive GC-FID 575-002
Other Passive GC-FID 690-105
690-300
Other Internal Passive GC-FID 690-105
690-300

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)