MATERIAL SAFETY DATA SHEET - Preserving More …

1 Company Name, AddressMATERIAL SAFETY data SHEETWOOD DUSTTRADE NAME:Wood DustSYNONYMS:NoneCAS. NO.:NoneDESCRIPTION:Particles generated by any manual or mechanicalcutting or abrasion process performed on DATAB oiling Point ..Not ApplicableSpecific (Dependent on wood species and moisture content).Vapor Applicable% Volatiles by ApplicableMelting ApplicableVapor ApplicableSolubility in H2O (% by wt.)..InsolubleEvaporation Rate - (Butyl Acetate=1)..Not ApplicableAppearance & to dark colored granular solidColor and odor are dependenton the wood species and timesince dust was & EXPLOSION DATAF lash ApplicableAutoignition (typically 400-500 F)Explosive Limits in grams/m3 (LEL)Extinguishing , CO2, SandSpecial Fire down with water Wet down wood dust to reduce likelihood of ignition or dispersion of dust into the air.

2 Remove burned or wet dust to open area after fire is Fire &Explosion to severe explosion hazard(if wood dust "cloud" contacts an ignition source)HEALTH EFFECTS DATAE xposure TLV(R): TWA - mg/m3; STEL(15 min.) - 10 mg/m3 (softwood) TWA - mg/m3; (certain hardwoods such as beech and oak) OSHA PEL: TWA (see Footnote 1) - (total dust) - mg/m3 (respirable factor) - mg/m3 Skin & Eye Irritation & Allergic Contact Dermatitis(Wood dust can cause eye irritation. Various species of wood dust can elicit allergic contact dermatitis in sensitized individuals) ApplicableSkin known to cause: nasal dryness, irritation & obstruction. Coughing, wheezing, & sneezing: sinusitis & prolonged colds have also been cause:Wood Dust, depending on species, may causedermatitis on prolonged repetitive contact; maycause respiratory sensitization and/or irritation.

3 IARC classifies wood dust as a carcinogen tohumans (Group 1). This classification is basedprimarily on IARC's evaluation of increasedrisk in the occurrence of adenocarcinomas ofthe nasal cavities and paranasal sinusesassociated with exposure to wood dust. IARCdid not find sufficient evidence to associatecancers of the oropharynx, hypopharynx, lung,lymphatic and hematopoietic systems, stomach,colon, or rectum with exposure to wood DATAC onditions Contributingto (under normal Conditions) Contact with:oxidizing agents, drying oils andflame. Product may ignite attemperatures in excess of 400 degradation of wood produces:irritating & toxic fumes and gases,including CO, aldehydes andorganic acids. Conditions Contributing ApplicablePRECAUTIONS AND SAFEHANDLINGEye :Repeated or Prolonged Contactwith Skin. Careful bathing andClean clothes are indicated :Prolonged or Repeated breathing ofWood Dust in agents and drying contactOpen APPLICABLECONTROL :adequate general and local exhaustventilation to maintain healthfulworking goggles or SAFETY protective equipment such asgloves and approved dust respiratorsmay be needed depending upon AND FIRST with water to remove dust particles.

4 If irritationpersists, get medical Medical adviceIf a rash or persistent irritation ordermatitis occur, get medical advicewhere applicable before returning towork where wood dust is to fresh persistent irritation, severe coughing,breathing difficulties occur, getmedical advice before returning towork where wood dust is .. Not ApplicableSPILL/LEAK CLEAN-UPPROCEDURESR ecovery or :Sweep or vacuum spills for recoveryor disposal; avoid creating dustconditions. Provide good ventilationwhere dust conditions may recovered wood dust in acontainer for proper 1: In AFL-CIO v. OSHA 965 F. 2d 962 (11th Cir. 1992), the court overturned OSHA's 1989 AirContaminants Rule, including the specific PELs for wood dust that OSHA had established at that time. The1989 PELs were: TWA - mg/m3; STEL (15 MIN.) - mg/m3 (ALL SOFT AND HARD woods ,EXCEPT WESTERN RED CEDAR); WESTERN RED CEDAR: TWA - mg/m3.

5 Wood dust is nowofficially regulated as an organic dust under the Particulates Not Otherwise Regulated (PNOR) or Inert orNuisance Dust categories at PELs noted under Health Effects Information section of this MSDS. However, anumber of states have incorporated provisions of the 1989 standard in their state plans. IMPORTANTThe information and data herein are believed to be accurate and have been compiled from sources believed to be reliable. It is offered for yourconsideration, investigation and verification. There is no warranty of any kind, express or implied, concerning the accuracy or completeness of theinformation and data herein. The supplier of this form will not be liable for claims relating to any party's use of or reliance on information and datacontained herein regardless of whether it is claimed that the information and data are inaccurate, incomplete or otherwise misleading.