Chemical Sampling Information
	Dichlorodiphenyltrichloroethane (DDT)
Quick Links General Description Exposure Limits Health Factors Monitoring Search    [use word(s)/phrase] Table of Contents By Name A B C D E F G H I J K L M N O P Q R S T U V W X Y Z By CAS Number General Description Synonyms: p,p'-DDT; p,p'-Dichlorodiphenyltrichloroethane; 1,1,1-Trichloro-2,2-bis(p-chlorophenyl)ethane OSHA IMIS Code Number: 0847 IMIS Name History: DDT prior to 5/23/08 Chemical Abstracts Service (CAS) Registry Number: 50-29-3 NIOSH, Registry of Toxic Effects (RTECS) Identification Number: KJ3325000 Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 2761 151 [27 KB, PDF] NIOSH Pocket Guide to Chemical Hazards, DDT: chemical description, physical properties, potentially hazardous incompatibilities, and more Exposure Limits OSHA Permissible Exposure Limit (PEL) for General Industry: 29 CFR 1910.1000 Z-1 Table -- 1 mg/m3 TWA; Skin OSHA Permissible Exposure Limit (PEL) for Construction Industry: 29 CFR 1926.55 Appendix A -- 1 mg/m3 TWA; Skin OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 1 mg/m3 TWA; Skin American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 1 mg/m3 TWA; Appendix A3 - Confirmed Animal Carcinogen with Unknown Relevance to Humans National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.5 mg/m3 TWA; Appendix A - NIOSH Potential Occupational Carcinogens Health Factors National Toxicology Program (NTP) carcinogenic classification: Reasonably Anticipated to be Human Carcinogen [180 KB, PDF] International Agency for Research on Cancer (IARC) carcinogenic classification: Group 2B, possibly carcinogenic to humans [120 KB, PDF] Environmental Protection Agency (EPA) carcinogenic classification: B2; probable human carcinogen NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 500 mg/m3 Potential symptoms: Paresthesia of tongue, lips, face; tremors; apprehension, dizziness, fatigue, confusion, malaise; headaches; convulsions; paresis of hands; vomiting; eye, skin irritation; (carcinogenic) Health Effects: Chronic/Cumulative toxicity-(CNS) (HE7) and (HE3); Mutagen (HE2) Affected organs: CNS, kidneys, liver, skin, PNS Literature Basis: No Author: Dichlorodiphenyltrichloroethane (DDT) CAS No. 50-29-3. Report on Carcinogens, Eleventh Edition; U.S. Department of Health and Human Services, Public Health Service, National Toxicology Program, 2005. [180 KB, PDF] No authors listed: DDT and associated compounds. IARC Monogr. Eval. Carcinog. Risks Hum. Vol. 53: 179-249, 1999. [120 KB, PDF] Monitoring Methods used by OSHA Laboratory Sampling/Analytical Method: sampling media: Glass Fiber Filter (37 mm) maximum volume: 90 Liters   maximum flow rate: 1.5 L/min current analytical method: Gas Chromatography; GC/ECD method reference: NIOSH Analytical Method (NIOSH S-274) [291 KB, PDF] method classification: Fully Validated note: Transfer filter to glass screw cap bottle within one hour after sampling. Wipe Sampling Method: sampling media: Whatman 41 analytical solvent: isooctane current analytical method: Gas Chromatography; GC/ECD Bulk method: Limit the amount of bulk submitted to one gram or one mL. All Trademarks are the property of their respective owners. Accessibility Assistance: Contact the OSHA Directorate of Science, Technology and Medicine at 202-693-2300 for assistance accessing PDF materials.