September 2010
NIOSH Publication Number 2010-168c

Wood dust

Synonyms & Trade Names
Hard wood dust, Soft wood dust, Western red cedar dust
CAS No.
RTECS No.
ZC9850000
DOT ID & Guide
 
Conversion
IDLH
Ca [N.D.]
See: IDLH INDEX
Exposure Limits
NIOSH REL
: Ca TWA 1 mg/m3 See Appendix A
OSHA PEL
†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
Measurement Methods

NIOSH 0500
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
Exposure Routes
inhalation, skin and/or eye contact
Symptoms
irritation eyes; epistaxis (nosebleed); dermatitis; resp hypersensitivity; granulomatous pneumonitis; asthma, cough, wheezing, sinusitis; prolonged colds; [potential occupational carcinogen]
Target Organs
Eyes, skin, respiratory system
Cancer Site
[nasal cancer]
Personal Protection/Sanitation
(See protection codes)
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

See also: INTRODUCTION