Safety Data Sheet (SDS) Wood And Wood Dust (without .
Safety Data Sheet (SDS)Wood and Wood Dust (without chemicaltreatments or resins/additives), includingUntreated Lumber (all species and grades),Logs, Chips, and Sawdust1. IdentificationTRADE NAME(S):Wood and Wood Dust (without chemical treatments orresins/additives), including Untreated Lumber (all species andgrades), Logs, Chips, and SawdustNOTE: For wood products containing chemical treatments orresins/additives, see specific SDS and label for those productsSYNONYMS and/or GRADES:NonePRODUCT USES:Building materials, wood pulp raw material, fuel, landscapingmaterialCHEMICAL NAME/CLASS:Wood ProductsMANUFACTURER'S NAME:ADDRESS:EMERGENCY PHONE (DOT):BUSINESS PHONE:INTERNET ACCESS:REVISED DATE:Weyerhaeuser220 Occidental Ave S., Seattle, WA 98104(844) 523-4081 (3E Company)(206) 539-3910See Section 16August 27, 20182. Hazard(s) IdentificationSignal Word:DANGERNOTE: 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 theresult of downstream activities (e.g. cutting, sanding) which creates small particles. Potential hazardsare described below.Weyerhaeuser SDS WC S335-14 (M)Page 1 of 9 Rev. 08/27/2018
2. Hazard(s) Identification (cont’d.)ClassificationHEALTHCarcinogen- Category 1(for non-lumber products Ifcrystalline silica present)Hazard Statement(s)Pictogram(s)Crystalline silica may cause cancer of thelung(H350) *Carcinogen- Category 1A(H350) *Wood dust may cause nasopharyngealcancer and/or cancer of the nasal cavitiesand paranasal sinuses by inhalationSkin IrritationCategory 2(H315)Causes skin irritationSpecific Target OrganToxicity- Single Exposure(STOT)Category 3(H335)May cause respiratory irritationEye IrritationCategory 2B(H320)Causes eye irritationNoneCombustible Dust (OSHADefined Hazard)If product contains or is converted to smallparticles during further processing,handling, or by other means, may formcombustible dust concentrations in airNone*Hazard codes (GHS)HMIS Rating (Scale 0-4):NFPA Rating (Scale 0-4):Health Health 2*1Fire Fire 11Physical Hazard Reactivity 00Precautionary Statement(s):Prevention Statements:P202: Do not handle until all safety precautions have been read and understood.P210: Keep away from sparks, flame or other heat sources.P243: Take precautionary measures against static discharge.P261 284: Avoid breathing dust. In case of inadequate ventilation wear an approved respiratorsuitable for conditions of use.P271: Use outdoors or in a well-ventilated area.P280: Wear appropriate protective equipment for eye and skin exposure.Weyerhaeuser SDS WC S335-14 (M)Page 2 of 9 Rev. 08/27/2018
2. Hazard(s) Identification (cont’d.)Response Statements:P304 P340 P313: If inhaled and breathing becomes difficult, remove person to fresh air and keepcomfortable for breathing. If symptoms persist, call a doctor or other qualified medical professional.P333 P313: If skin irritation or rash occurs get medical advice/attention.P352 P264: If on skin wash with plenty of soap and water.P362 P364: Take off contaminated clothing and wash before reuse.P305 P351 P338: If in eyes, rinse cautiously for several minutes. Remove contact lenses if presentand easy to do so.Disposal:P501: Dispose of in accordance with federal, state and local regulations.Ingredients of Unknown Acute Toxicity ( 1%): NAP3. Composition/Information on IngredientsIngredient(s)sWood (wood dust, softwood or hardwood, logs,wood chips)CAS#Wt.%None85-100Common names: Untreated lumber, untreated wood, sawdust, sander dust, raw logs, wood chips.NOTE: Some wood products such as logs, chips and sawdust may include additional material such as soil and rockfragments which may contain particles of crystalline silica.4. First Aid MeasuresInhalation: Remove to fresh air if respiratory symptoms are experienced. Seek medical help if persistentirritation, severe coughing, breathing difficulty or other serious symptoms occur.Eye Contact: Treat dust in eye as a foreign object. Flush with water to remove dust particles. Removecontact lenses if present and easy to do so. Avoid touching or rubbing eyes to avoid further irritationor injury. Seek medical help if irritation persists.Skin Contact: Wood dust may elicit contact dermatitis. Seek medical help if rash, irritation or dermatitispersists.Skin Absorption: Not known to be absorbed through the skin.Ingestion: Not applicable under normal use.Symptoms or Effects:Acute Symptoms/Effects – Dust may cause mechanical irritation of the eyes and respiratory system. Dustcan cause physical obstructions in the nasal passages, resulting in dryness of nose, dry cough, andsneezing.Delayed Symptoms/Effects – Unique delayed effects are not anticipated after exposure. See Section 11for additional information on chronic effects.5. Fire-fighting MeasuresExtinguishing Media and Restrictions: Water, carbon dioxide and sand.Specific Hazards, Anticipated Combustion Products: Thermal decomposition (i.e. smoldering,burning) products include carbon monoxide, carbon dioxide, aliphatic aldehydes, terpenes, andpolycyclic aromatic hydrocarbons.Autoignition Temperature: Variable [typically 400 -500 F (204 -260 C)]Special Firefighting Equipment/Procedures: No special equipment anticipated. Beware of potentialcombustible dust explosion hazard.Weyerhaeuser SDS WC S335-14 (M)Page 3 of 9 Rev. 08/27/2018
5. Fire-fighting Measures (cont’d.)Unusual Fire and Explosion Hazards: Depending on moisture content, particle diameter andconcentration, wood dust may pose a flash fire or deflagration hazard. If suspended in air in anenclosure or container and ignited, an explosion may occur due to the development of internalpressure causing rupture. An airborne concentration of 40 grams (40,000 mg) of dust per cubicmeter of air is often used as the Minimum Explosible Concentration (MEC) for wood dusts. Conductregular housekeeping inspections and cleaning to prevent excessive dust accumulations. Design andmaintain control equipment to minimize fugitive combustible dust emissions. Ensure that ventilationsystems are operating properly to capture, transport and contain combustible dust while controllingignition sources. Reference NFPA 652 “Standard on the Fundamentals of Combustible Dust”.6. Accidental Release MeasuresSteps to be taken in case Material Is Released or Spilled: Sweep or vacuum up for recovery anddisposal. Avoid creating dusty conditions whenever feasible. Maintain good housekeeping to avoidaccumulation of wood dust on exposed surfaces. Use approved filtering facepiece respirator (“dustmask”) or higher levels of respiratory protection as indicated and goggles where ventilation is notpossible and exposure limits may be exceeded or for additional worker comfort.7. Handling and StoragePrecautions to be taken in Handling and Storage: Dried wood dust may pose a combustible dusthazard. Keep away from ignition sources. Avoid eye contact. Avoid prolonged or repeated contactwith skin. Avoid prolonged or repeated breathing of wood dust. Store in well-ventilated, cool, dryplace away from open flame.8. Exposure Control Measures/Personal ProtectionExposure Limits/Guidelines:Ingredient(s)Wood (wood dust, softwood or hardwood,logs, wood chips)AgencyExposure Limit(s)OSHAPEL-TWA 15 mg/m3(see footnote A below)OSHAPEL-TWA 5 mg/m3(see footnote A below)ACGIHCommentsTotal Dust(PNOR)Respirable dustfraction (PNOR)TLV-TWA 1 mg/m3Inhalable fractionAIn 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. The 1989 vacated PEL’swere: 5 mg/m3 PEL-TWA and 10 mg/m3 STEL (15 min), all softwood and hardwood except Western Red Cedar.Wood dust is now regulated by OSHA as “Particulates Not Otherwise Regulated” (PNOR), which is also referredto as “nuisance dust”. However, some states have regulated wood dust PEL’s in their state plans. Additionally,OSHA indicated that it may cite employers under the OSH Act general duty clause in appropriate circumstances.Ventilation:LOCAL EXHAUST – Provide local exhaust as needed so that exposure limits are met. Ventilation tocontrol dust should be considered where potential explosive concentrations and ignition sources arepresent. The design and operation of any exhaust system should consider the possibility of explosiveconcentrations of wood dust within the system. See “SPECIAL” section below. Use of tool mountedexhaust systems should also be considered, especially when working in enclosed areas.Weyerhaeuser SDS WC S335-14 (M)Page 4 of 9 Rev. 08/27/2018
8. Exposure Control Measures/Personal Protection (cont’d.)MECHANICAL (GENERAL) – Provide general ventilation in processing and storage areas so thatexposure limits are met.SPECIAL – Ensure that exhaust ventilation and material transport systems involved in handling thisproduct contain explosion relief vents or suppression systems designed and operated in accordancewith applicable standards if the operating conditions justify their use.OTHER ENGINEERING CONTROLS – Cutting and machining of product should preferably be doneoutdoors or with adequate ventilation and containment.Personal Protective Equipment:RESPIRATORY PROTECTION – Use filtering facepiece respirator (“dust mask”) tested and approvedunder appropriate government standards such as NIOSH (US), CSA (Canada), CEN (EU), or JIS(Japan) where exposure limits may be exceeded or for additional worker comfort or symptom relief.Use respiratory protection in accordance with jurisdictional regulatory requirements similar to theOSHA respiratory protection standard 29CFR 1910.134 following a determination of risk frompotential exposures which includes consideration of potential respirable crystalline silica exposures.EYE PROTECTION – Approved goggles or tight fitting safety glasses are recommended when excessiveexposures to dust may occur (e.g. during clean up) and when eye irritation may occur.PROTECTIVE GLOVES – Cloth, canvas, or leather gloves are recommended to prevent direct contactand to minimize potential slivers and mechanical irritation from handling product.OTHER PROTECTIVE CLOTHING OR EQUIPMENT – Outer garments which cover the arms may bedesirable in extremely dusty areas.WORK/HYGIENE PRACTICES – Follow good hygienic and housekeeping practices. Clean up areaswhere wood dust settles to avoid excessive accumulation of this combustible material. Minimizecompressed air blowdown or other practices that generate high airborne-dust concentrations.9. Physical/Chemical PropertiesAppearance: Light to dark colored, granular solid, saw dust, wood chips, logs and untreated lumber (allspecies and grades). Color and odor are dependent on the wood species and time since any wooddust was generated.Odor/Odor Threshold(s):NAVpH:NAPMelting/Freezing Point:NAPBoiling Point (@ 760 mm Hg) and Range: NAPFlash Point:NAPEvaporation Rate:NAPFlammability:NAVLower/Upper Explosive Limits:40,000 mg of dust per cubic meter of air is often usedas the LEL for wood dusts.Vapor Pressure (mm Hg):NAPVapor Density (air 1; 1 atm):NAPRelative Density:NAPSolubility: 0.1Partition Coefficient (n-octanol/water):NAPAutoignition Temperature:Variable [typically 400 -500 F (204 -260 C)]Decomposition Temperature:NAVViscosity:NAPOther Properties:NAPWeyerhaeuser SDS WC S335-14 (M)Page 5 of 9 Rev. 08/27/2018
10. Stability and ReactivityReactivity: NAPMay occurWill not occurHazardous Polymerization:Stability:UnstableStableConditions to Avoid: Avoid all sources of ignition.Incompatibility (Materials to Avoid): Avoid contact with oxidizing agents and drying oils.Hazardous Decomposition or By-Products: Natural decomposition of organic materials such as woodmay produce toxic gases and an oxygen deficient atmosphere in enclosed or poorly ventilated areas.Spontaneous and rapid hazardous decomposition will not occur.Sensitivity to Static Discharge: Airborne wood dust may be ignited by a static discharge depending onairborne concentrations, particle size and moisture content.11. Toxicological InformationLikely Route(s) of Exposure:Ingestion:Skin:DustInhalation: DustEye:DustSigns and Symptoms of Exposure: See section 4Wood Dust - NTP: According to its Report on Carcinogens, Fourteenth Edition, NTP states, “Wood dustis known to be a human carcinogen based on sufficient evidence of carcinogenicity from studies inhumans”. An association between wood dust exposure and cancer of the nasal cavity has beenobserved in case reports, cohort studies, and case-control studies that specifically addressed nasalcancer. Associations with cancer of the nasal cavities and paranasal sinuses were observed both instudies of people whose occupations are associated with wood dust exposure and in studies thatdirectly estimated wood dust exposure. This classification is based primarily on increased risk in theoccurrence of adenocarcinomas of the nasal cavities and paranasal sinuses associated withexposure to wood dust. The evaluation did not find sufficient evidence to associate cancers of theoropharynx, hypopharynx, lung, lymphatic and hematopoietic systems, stomach, colon or rectum withexposure to wood dust. There is inadequate evidence for the carcinogenicity of wood dust fromstudies in experimental animals according to NTP.Silica - NTP: According to its Report on Carcinogens, Fourteenth Edition, NTP classifies “Silica,Crystalline (respirable size)” as Known to be a human carcinogen.Wood Dust: IARC – Group 1: Carcinogenic to humans; sufficient evidence of carcinogenicity. Thisclassification is primarily based on studies showing an association between occupational exposure towood dust and adenocarcinoma to the nasal cavities and paranasal sinuses. IARC did not findsufficient evidence of an association between occupational exposure to wood dust and cancers of theoropharynx, hypopharynx, lung, lymphatic and hematopoietic systems, stomach, colon or rectum.Silica: IARC – Group 1: Carcinogenic to humans; sufficient evidence of carcinogenicity. IARCconcluded that “crystalline silica in the form of quartz or cristobalite dust is carcinogenic to humans(Group 1)”.Carcinogenicity Listing(s):NTP:Wood dust, Known Human Carcinogen.IARC Monographs:Wood dust, Group 1 - Carcinogenic to Humans.OSHA Regulated:Crystalline Silica - 29 CFR 1910.1053Weyerhaeuser SDS WC S335-14 (M)Page 6 of 9 Rev. 08/27/2018
11. Toxicological Information (cont’d.)Toxicity Data:Wood dust (softwood or hardwood)Dusts generated from sawing, sanding or machining the product may cause respiratory irritation, nasaldryness and irritation, coughing and sinusitis. NTP and IARC (Group 1) classify wood dust as ahuman carcinogen. See Section 2 above.Target Organs: Eyes, skin, and respiratory system.Note: Weyerhaeuser evaluated the studies referenced in the ACGIH TLV Documentation for WoodDust and others which included potential allergenic references for wood species which may causeskin or respiratory sensitization. There are a limited number of studies of highly variable consistencywhich reference sensitization from some species of wood. When the total weight of evidence isconsidered this product is considered to be an eye, skin and respiratory irritant and not a respiratoryor skin sensitizer according to health hazard classification criteria.12. Ecological InformationEcotoxicity: NAV for finished product.Biopersistance and Degradability: Wood in this product would be expected to be biodegradable.Bioaccumulation: Not expected to bioaccumulate.Soil Mobility: NAVOther Adverse Effects: NAP13. Disposal ConsiderationsWaste 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 anyjurisdictional criteria. Note that wood dust may pose a combustible dust hazard.14. Transport InformationMode: (air, land, water) Not regulated as a hazardous material by the U.S. Department ofTransportation. Not listed as a hazardous material in Canadian Transportation of Dangerous Goods(TDG) regulations. Not regulated as a hazardous material by IMDG or IATA regulations concerningthe transport of hazardous materials.UN Proper Shipping Name:NAPUN/NA ID Number:NAPHazard Class:NAPPacking Group:NAPEnvironmental Hazards (MarineNAPPollutant):Special PrecautionsNAP15. Regulatory InformationTSCA: NAPCERCLA: NAPDSL: NAPOSHA: Wood products are not hazardous under the criteria of the federal OSHA Hazard CommunicationStandard 29 CFR 1910.1200. However, wood dust generated by sawing, sanding or machiningactivities is considered hazardous.Weyerhaeuser SDS WC S335-14 (M)Page 7 of 9 Rev. 08/27/2018
15. Regulatory Information (cont’d.)STATE RIGHT-TO-KNOW:California Proposition 65 –WARNING: This product can expose you to chemicals including wood dust which are known tothe State of California to cause cancer, and methanol, which are known to the State of California to causebirth defects or other reproductive harm. Drilling, sawing, sanding or machining wood products canexpose you to wood dust. Avoid inhaling wood dust or use a dust mask or other safeguards for personalprotection. For more information go to www.P65Warnings.ca.gov and www.P65Warnings.ca.gov/wood.This product may also release silica, crystalline (airborne particles of respirable size), a chemical knownto the state of California to cause cancer.Pennsylvania – Wood dust and crystalline silica appear on Pennsylvania’s Appendix A, HazardousSubstance List.New Jersey – Wood dust and crystalline silica appear on New Jersey’s Environmental HazardousSubstance List.SARA 313 Information: This material does not contain any chemical ingredient (s) that exceed the deminimis reporting levels established by SARA Title III, section 313 and 40 CFR section 372.SARA 311/312 Hazard Category: This material has been reviewed according to the EPA "HazardCategories" promulgated under SARA Title III Sections 311 and 312 and is considered, underapplicable definitions, to meet the following categories:An immediate (acute) health hazardYesA delayed (chronic) health hazardYesA corrosive hazardNoA fire hazardNoA reactivity hazardNoA sudden release hazardNoFDA: 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 theHazardous Products Act (HPA). However, wood dust released during the use or modifications ofwood products may be hazardous. See Section 2 for health and combustible dust hazard information.16. Other InformationDate Prepared: 11/05/2010Date Revised: 08/27/2018Prepared By: Weyerhaeuser Company Health and Safety.Weyerhaeuser SDS available oduct-stewardship/safety-data-sheets/User’s Responsibility: The information contained in this Safety Data Sheet is based on the experienceof occupational health and safety professionals and comes from sources believed to be accurate orotherwise technically correct. It is the user’s responsibility to determine if the product is suitable for itsproposed application(s) and to follow necessary safety precautions. The user has the responsibilityto ensure that the most current SDS is used.Definition of Common Terms:ACGIH American Conference of Governmental Industrial HygienistsC Ceiling LimitCAS# Chemical Abstracts System NumberDOT U. S. Department of TransportationWeyerhaeuser SDS WC S335-14 (M)Page 8 of 9 Rev. 08/27/2018
16. Other Information (cont’d.)DSLEC# LSTPTCLoTDGTDLoTLVTSCATWAUFLWHMIS Domestic Substance ListIdentifying Number Assigned to Chemicals Contained in the European Inventory ofExisting Chemical Substances (EINECS)Effective Concentration That Inhibits the Endpoint to 50% of Control PopulationU.S. Environmental Protection AgencyGlobally Harmonized System of Classification and Labelling of Chemicals(Canada) Hazardous Materials Identification SystemHazards Not Otherwise ClassifiedInternational Agency for Research on CancerInternational Air Transport AssociationInternational Maritime Dangerous GoodsConcentration in Air Resulting in Death To 50% of Experimental AnimalsLowest Concentration in Air Resulting in DeathAdministered Dose Resulting in Death to 50% of Experimental AnimalsLowest Dose Resulting in DeathLower Explosive LimitLower Flammable LimitMine Safety and Health AdministrationNot ApplicableNot AvailableNational Institute for Occupational Safety and HealthNational Fire Protection Association(Canada) National Pollution Release InventoryNational Toxicology ProgramOccupational Safety and Health AdministrationPermissible Exposure LimitParticulate Not Otherwise RegulatedParticulate Not Otherwise SpecifiedResource Conservation and Recovery ActShort-Term Exposure Limit (15 minutes)Standard Temperature and PressureLowest Concentration in Air Resulting in a Toxic Effect(Canada) Transportation of Dangerous GoodsLowest Dose Resulting In a Toxic EffectThreshold Limit ValueToxic Substance Control ActTime-Weighted Average (8 hours)Upper Flammable Limit(Canada) Workplace Hazardous Materials Information SystemWeyerhaeuser SDS WC S335-14 (M)Page 9 of 9 Rev. 08/27/2018
Wood and Wood Dust (without chemical treatments orresins/additives), including Untreated Lumber (all species andgrades), Logs, Chips, and SawdustDangerWood dust may cause nasopharyngeal cancer and/or cancer of the nasal cavities and paranasalsinuses by inhalation. May cause respiratory, skin and eye irritation.May form combustible dust concentrations in air if small particles become airborne or are formedduring processing or handlingPrecautions: Do not handle until all safety precautions have been read and understood. Use outdoorsor in a well-ventilated area. Avoid breathing dust and wear appropriate protective equipment forrespiratory, skin or eye exposures. Prevent dust release and accumulations to minimize hazards. Takeoff contaminated clothing and wash before reuse. Keep dust away from ignition sources such as heat,sparks, and flame.First Aid:If in eyes, rinse cautiously with water for several minutes. Remove contact lenses if present andeasy to do. Continue rinsing. Contact a qualified medical professional if symptoms persist.If on skin, wash with soap and water. If skin irritation or rash occurs, get medical advice/attention.Inhalation, if experiencing respiratory symptoms, remove to fresh air. Contact a qualified medicalprofessional for serious or persistent respiratory symptoms.Weyerhaeuser220 Occidental Ave S.Seattle, WA 981041-800-525-5440Label for Wood and Wood Dust products. See SDS 8/2018 for additional information.
Wood Dust - NTP: According to its Report on Carcinogens, Fourteenth 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
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