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Synonyms: Beech; Birch; Mahogany; Maple; Oak; Sapele; Walnut - Hardwoods. Redwood; Teak - Softwoods. Western Red Cedar OSHA IMIS Code Number: 9210 - Hardwood; 9211 - Softwood; W102 - Western Red Cedar IMIS Name History: W103 - All soft and hard woods, except Western Red Cedar - was discontinued in 4/1993 NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: ZC9850000 NIOSH Pocket Guide to Chemical Hazards, Wood dust: chemical description, physical properties, potentially hazardous incompatibilities, and more Respirable dust not included for compliance, as per Standard Interpretation between NIOSH and OSHA, April 22, 1993. OSHA Permissible Exposure Limit (PEL): General Industry: 29 CFR 1910.1000 Z-1 Table -- 15 mg/m3 TWA (Listed under Particulates Not Otherwise Regulated - Total dust)American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV):
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 1 mg/m3 TWA; Appendix A - NIOSH Potential Occupational Carcinogens Carcinogenic Classification: International Agency for Research on Cancer (IARC): Group 1, carcinogenic to humans [38 KB PDF, 8 pages]Potential Symptoms: Irritation eyes; epistaxis (nosebleed); dermatitis; respiratory hypersensitivity; granulomatous pneumonitis; asthma, cough, wheezing, sinusitis; prolonged colds; nasal cancer Health Effects: Nasal cancer (HE1); Respiratory sensitization---Asthma, hypersensitivity pneumonitis (HE9); Irritation- Eye, Nose, Throat, Skin---Marked (HE14) Affected Organs: Eyes, skin, respiratory system Notes:
Literature Basis:
Laboratory Sampling/Analytical Method:
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