# NIOSH Pocket Guide to Chemical Hazards
Wood dust | CAS
| RTECS ZC9850000
Synonyms & Trade Names Hard wood dust, Soft wood dust, Western red cedar dust | DOT ID & Guide
Exposure Limits | NIOSH REL: Ca 1 mg/m3 See Appendix A
OSHA PEL†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH Ca [N.D.] | Conversion
Physical Description Dust from various types of wood.
MW: varies | BP: NA | MLT: NA | Sol: ?
VP: 0 mmHg (approx) | IP: NA |  | Sp.Gr: ?
Fl.P: NA | UEL: NA | LEL: NA |
Combustible Solid
Incompatibilities & Reactivities None reported
Measurement Methods NIOSH 0500
Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Fresh air
Respirator Recommendations NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape: (APF = 50) Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin and/or eye contact
Symptoms Irritation eyes; epistaxis (nosebleed); dermatitis; respiratory hypersensitivity; granulomatous pneumonitis; asthma, cough, wheezing, sinusitis; prolonged colds; [potential occupational carcinogen]
Target Organs Eyes, skin, respiratory system Cancer Site [nasal cancer]
See also: INTRODUCTION