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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 Table Z-1 -- 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
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
Date Last Revised: 03/18/2008
Primary Laboratory Sampling/Analytical Method (SLC1):
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