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Table 2 Health based occupational exposure limits values for major fumigants

From: Health risks in international container and bulk cargo transport due to volatile toxic compounds

Fumigant Acute effects/workplace Carcinogenic effects (potential)
Chemical Occupational exposure limit, OEL [mg/m 3 ] Carcinogen = + (Class)
Phosphine 0.14 -
Bromomethane (methyl bromide) 3.89 + (3)
Sulfuryl difluoride 20.9 -
Formaldehyde 0.37 + (4)
Ethylene oxide 1.80 + (2)
1,2-Dichloroethane (ethylene dichloride) 4.05 + (2)
Dichloromethane (chloromethane) 86.75 + (3)
Chloropicrin (trichloro(nitro)methane) 0.672 -
  1. Sources: NIOSH; National Institute for Occupational Safety and Health, Center for Disease Control and Prevention (www.cdc.gov/niosh/npg).
  2. IRAC, International Agency for Research on Cancer (http://monographs.iarc.fr/ENG/Monographs/vol100F/mono100F.pdf).
  3. (see [19] for further details on community exposure levels and thresholds).