SDS

ManualsBrandsMeadow Valley ManualsBuilding materials2 x 8 x 12' STD Smooth Log Siding

Safety Data Sheet (SDS)

Wood and Wood Dust (without chemical

treatments or resins/additives), including

Untreated Lumber (all species and grades),

Logs, Chips, and Sawdust

1. Identification

TRADE NAME(S): Wood and Wood Dust (without chemical treatments or

resins/additives), including Untreated Lumber (all species and

grades), Logs, Chips, and Sawdust

NOTE: For wood products containing chemical treatments or

resins/additives, see specific SDS and label for those products

SYNONYMS and/or GRADES: None

PRODUCT USES: Building materials, wood pulp raw material, fuel, landscaping

material

CHEMICAL NAME/CLASS: Wood Products

MANUFACTURER'S NAME: Weyerhaeuser

ADDRESS: 33663 Weyerhaeuser Way S., Federal Way WA 98001-9620

EMERGENCY PHONE: (844) 523-4081 (3E Company)

BUSINESS PHONE: (253) 924-3865

INTERNET ACCESS: See Section 16

REVISED DATE: September 11, 2015

2. Hazard(s) Identification

Signal Word: DANGER

NOTE: Wood dust may become hazardous while being transported or handled by downstream users.

Products not containing wood dust are not hazardous as shipped but may become hazardous as the

result of downstream activities (e.g. cutting, sanding) which creates small particles. Potential hazards

are described below.

Classification

Hazard Statement(s)

Pictogram(s)

HEALTH

Carcinogen- Category 1A

(H350)*

Wood dust may cause nasopharyngeal

cancer and/or cancer of the nasal cavities

and paranasal sinuses by inhalation

Weyerhaeuser SDS WC S335-12 (M)

Page 1 of 9 Rev. 09/11/2015

Summary of content (10 pages)

PAGE 1
Safety Data Sheet (SDS) Wood and Wood Dust (without chemical treatments or resins/additives), including Untreated Lumber (all species and grades), Logs, Chips, and Sawdust 1.
PAGE 2
. Hazard(s) Identification (cont’d.
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. Composition/Information on Ingredients Ingredients Wood (wood dust, softwood or hardwood, logs, wood chips) CAS# Wt % None 84-89 Common names: Untreated lumber, untreated wood, sawdust, sander dust, raw logs, wood chips. NOTE: Wood products such as logs, bark and wood dust may include additional material such as soil and rock fragments which may contain particles of crystalline silica. 4. First Aid Measures Inhalation: Remove to fresh air if respiratory symptoms are experienced.
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7. Handling and Storage Precautions to be taken in Handling and Storage: Dried wood dust may pose a combustible dust hazard. Keep away from ignition sources. Avoid eye contact. Avoid prolonged or repeated contact with skin. Avoid prolonged or repeated breathing of wood dust. Store in well-ventilated, cool, dry place away from open flame. 8.
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8. Exposure Control Measures/Personal Protection (cont’d.) OTHER PROTECTIVE CLOTHING OR EQUIPMENT – Outer garments which cover the arms may be desirable in extremely dusty areas. WORK/HYGIENE PRACTICES – Follow good hygienic and housekeeping practices. Clean up areas where wood dust settles to avoid excessive accumulation of this combustible material. Minimize compressed air blowdown or other practices that generate high airborne-dust concentrations. 9.
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11. Toxicological Information Likely Route(s) of Exposure: Ingestion: Skin: Dust Inhalation: Dust Eye: Dust Signs and Symptoms of Exposure: See section 4 Wood Dust - NTP: According to its Report on Carcinogens, Thirteenth Edition, NTP states, “Wood dust is known to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in humans”.
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13. Disposal Considerations Waste Disposal Method: Dry land disposal or incineration is acceptable in most areas. It is, however, the user’s responsibility to determine at the time of disposal whether your waste meets any jurisdictional criteria. Note that wood dust may pose a combustible dust hazard. 14. Transport Information Mode: (air, land, water) Not regulated as a hazardous material by the U.S. Department of Transportation.
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15. Regulatory Information (cont’d.) FDA: Not intended for use as a food additive or indirect food contact item. WHMIS Classification: Wood and products made from wood are exempt from WHMIS per the Hazardous Products Act. However, wood dust is considered to be a controlled product: D2A (wood dust: IARC Group 1). 16. Other Information Date Prepared: 11/05/2010 Date Revised: 09/11/2015 Prepared By: Weyerhaeuser Company Environment, Health, and Safety. Weyerhaeuser SDS available on: http://www.wy.
PAGE 9
16. Other Information (cont’d.
PAGE 10
Wood and Wood Dust (without chemical treatments or resins/additives), including Untreated Lumber (all species and grades), Logs, Chips, and Sawdust Danger Wood dust may cause nasopharyngeal cancer and/or cancer of the nasal cavities and paranasal sinuses by inhalation. May cause respiratory, skin and eye irritation.