NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

Wood dust

CAS
ZC9850000


RTECS
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.] See: IDLH INDEX
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
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
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 an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters./Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
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