MATERIAL SAFETY DATA SHEET - Pressure (page 2) PART I - What is the material and what do I need to know in an emergency? 1. PRODUCT IDENTIFICATION Trade Names (as labeled): CCA Type C Pressure Treated Wood Product Class: NA Synonyms: Pressure treated wood with Chromated Copper Arsenate Manufacturer's Name: North American Wood Treating Corporation Address: PO Box 515 Sumas, WA 98295 Emergency Phone: CHEMCTREC 1-800-424-9300 NAWT (604)-853-0420 Business Phone: (604) 853-0420 MSDS Preparation Date: Updated November 1, 1995 2. COMPOSITION and INFORMATION ON INGREDIENTS Chemical Name CAS # % w/w Exposure Limits in Air ACGIH OSHA Other TLV mg/m3 STEL mg/m3 PEL mg/m3 STEL mg/m3 IDLH mg/m3 Aresenic (as As2O5) 7778-394 0.15-3.0 0.5 NE 0.05 NE NE human carc. LD5048 mg/kg (oral rat) Hexavalent Chromium (as CrO3) 7440.47-3 0.25.4.0 0.1 (as Cr(VI) NE 0.1C (as CrO3) NE NE suspect human carc. LD50 (oral rats) 80 mg/kg Copper (as CuO) 1317-38-0 0.10-2.0 1.0 (8 hour TWA) NE 1.0 NE NE LD50 470 mg/kg (oral rat) Water and Wood 7732-18-5 40-50 NE NE NE NE NE NE NE = not established 3. HAZARD IDENTIFICATION SYMPTOMS OF OVER EXPOSURE BY ROUTE OF EXPOSURE: Inhalation: Wood dust may be irritating to nose and throat. Can cause chest pains and chemical pneumonitis. Contact with skin or eyes: Skin lesions commonly observed on hands at base of nails and on knuckles; these are usually not disabling. Conjunctivitis (of eyes) can result from mild exposure to wood dust. Injection: Direct injection of this substance may cause effects similar to skin contact and skin adsorption, including lesions and ulceration. Skin Absorption: Skin absorption is possible through wood splinters, causing skin ulcers. Ingestion: Wood fibers may result in nausea, vomiting, abdominal pain and diarrhea. HAZARDOUS MATERIAL INFORMATION SYSTEM RATING HEALTH (BLUE) 1 FLAMMABILITY (RED) 1 REACTIVITY (YELLOW) 0 PROTECTIVE EQUIPMENT EYES RESPIRATORY HANDS BODY SEE SECTION 8 For routine industrial application HEALTH EFFECTS OR RISKS FROM EXPOSURE: An Explanation In Lay Terms: Acute: Toxic if ingested, inhaled, or otherwise introduced directly into the body. Ingestion of large amount could be fatal. Symptoms of acute exposure include nausea, diarrhea, and severe abdominal distress. Chronic: Chronic exposure could lead to dermatitis of the skin (red, irritated, cracked, and/or painful skin), allergic skin responses can occur in sensitive people. Chronic exposure to any wood dust could result in reduction of the sense of smell. Return to Top