SDS

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Safety Data Sheet (SDS)

Weyerhaeuser Oriented Strand Board (OSB)

Products including: Sheathing, Edge, Edge

Gold

, Hardwood Edge, RBS Roof

Sheathing

, Structurwood, SturdiStep

1. Identification

TRADE NAME(S): Weyerhaeuser Oriented Strand Board (OSB) products including:

Sheathing; Edge; Edge Gold



Hardwood Edge; RBS Roof

Sheathing

; Structurwood, SturdiStep

SYNONYMS and/or GRADES: Radiant Barrier Sheathing (RBS), Rim Board, Web stock

PRODUCT USES: Building Materials

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: May 28, 2015

2. Hazard(s) Identification

Signal Word: DANGER

NOTE: These products are not hazardous in the form in which they are shipped by the manufacturer but

may become hazardous as the result of downstream activities (e.g. cutting, sanding) which creates

small particles resulting in the potential hazards as 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 S537-00 (M)

Page 1 of 11 Rev. 05/28/2015

Summary of content (12 pages)

PAGE 1
Safety Data Sheet (SDS) Weyerhaeuser Oriented Strand Board (OSB) Products including: Sheathing, Edge, Edge Gold®, Hardwood Edge, RBS Roof Sheathing®, Structurwood, SturdiStep 1.
PAGE 2
. Hazard(s) Identification (cont’d.
PAGE 3
. Composition/Information on Ingredients Ingredients Wood (wood dust, softwood or hardwood) Resin Solids: Polymeric Phenol-Formaldehyde 1 (C7H6O2) Polymeric Diphenylmethane Diisocyanate 2 [C6H3(NCO)CH2]n Paraffin or Emulsified Wax3 Polyethylene Coated and/or Laminated Paper Aluminum Foil (RBS Roof Sheathing only) Common names: 1 Phenol-formaldehyde CAS# None Wt % 84-89 9003-35-4 1-14 9016-87-9 1-14 8002-74-2 1-2 None 1-2 resin; 2 Polymeric MDI; 3 Hydrocarbon waxes. 4.
PAGE 4
6. Accidental Release Measures Steps to be taken in case Material Is Released or Spilled: Sweep or vacuum up for recovery and disposal. Avoid creating dusty conditions whenever feasible. Maintain good housekeeping to avoid accumulation of wood and resin dust on exposed surfaces. Use approved filtering facepiece respirator (“dust mask”) or higher levels of respiratory protection as indicated and goggles where ventilation is not possible and exposure limits may be exceeded or for additional worker comfort.
PAGE 5
8. Exposure Control Measures/Personal Protection (cont’d.) Polyethylene Coated and/or Laminated Paper Aluminum Foil (RBS Roof Sheathing only) OSHA PEL-TWA 15 mg/m3 OSHA PEL-TWA 5 mg/m3 ACGIH TLV-TWA 10 mg/m3 Aluminum (total dust fraction) Aluminum (respirable dust fraction) Aluminum (total dust) A In AFL-CIO v OSHA, 965 F. 2d 962 (11th Cir. 1992), the Court overturned OSHA’s 1989 Air Contaminants Rule, including the specific PEL’s for wood dust that OSHA had established at that time.
PAGE 6
9. Physical/Chemical Properties Appearance: Weyerhaeuser OSB products consist of a ligno cellulosic matrix of interlocking wood fibers having a slight characteristic odor. The wood component of these products may consist of aspen, southern pine, red pine, maple, black poplar or birch. OSB Sheathing has green with white paint on the edges. Edge flooring is painted green with white on the edges; Edge Gold flooring is painted gold on the edges and Hardwood Edge is painted brown on the edges.
PAGE 7
11. Toxicological Information (cont’d.) Signs and Symptoms of Exposure: 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”. An association between wood dust exposure and cancer of the nasal cavity has been observed in many case reports, cohort studies, and case-control studies that specifically addressed nasal cancer.
PAGE 8
12. Ecological Information Ecotoxicity: NAV for finished product. Formaldehyde component: 24 mg/L 96 hr LC50 Fathead Minnow 0.10 mg/L 96 hr LC50 Bluegill 9 mg/L 5 min EC50 Photobacterium phosphoreum 20 mg/L 96 hr EC50 Water flea Biopersistance and Degradability: The wood and resin portions of these products would be expected to be biodegradable.
PAGE 9
15. Regulatory Information TSCA: Phenol-formaldehyde resin, polymeric diphenylmethane diisocyanate, titanium dioxide and paraffin wax are on the TSCA inventory. CERCLA: Formaldehyde (100 lbs RQ) is on the CERCLA chemical substance inventory. DSL: Formaldehyde, titanium dioxide, polymeric diphenylmethane diisocyanate and paraffin wax are on the DSL. OSHA: Wood products are not hazardous under the criteria of the federal OSHA Hazard Communication Standard 29 CFR 1910.1200.
PAGE 10
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 and formaldehyde: IARC Group 1). 16.
PAGE 11
16. Other Information (cont’d.) STP TCLo TDG TDLo TLV TSCA TWA UFL WHMIS = = = = = = = = = Standard Temperature and Pressure Lowest Concentration in Air Resulting in a Toxic Effect (Canada) Transportation of Dangerous Goods Lowest Dose Resulting In a Toxic Effect Threshold Limit Value Toxic Substance Control Act Time-Weighted Average (8 hours) Upper Flammable Limit (Canada) Workplace Hazardous Materials Information System Weyerhaeuser SDS WC S537-00 (M) Page 11 of 11 Rev.
PAGE 12
Weyerhaeuser Oriented Strand Board (OSB) Products including: Sheathing, Edge, Edge Gold, Hardwood Edge, RBS Roof Sheathing®, Structurwood, SturdiStep 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. May form combustible dust concentrations in air if small particles are formed during processing or handling.