NIOSH Pocket Guide to Chemical Hazards

Particulates not otherwise regulated CAS

RTECS
Synonyms & Trade Names
"Inert" dusts, Nuisance dusts, PNOR [Note: Includes all inert or nuisance dusts, whether mineral, inorganic, not listed specifically in 1910.1000.]
DOT ID & Guide
Exposure
Limits
NIOSH REL: See Appendix D
OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH N.D. See: IDLH INDEX Conversion
Physical Description
Dusts from solid substances without specific occupational exposure standards.
Properties vary depending upon the specific solid.











Incompatibilities & Reactivities
Varies
Measurement Method
Filter; none; Gravimetric; IV [Particulates NOR: #0500 (total), #0600 (respirable)] See: NMAM INDEX
Personal Protection & Sanitation
Skin: N.R.
Eyes: N.R.
Wash skin: N.R.
Remove: N.R.
Change: N.R.

First Aid (See procedures)
Eye: Irrigate immediately

Breathing: Fresh air

Respirator Recommendations To be added later
Exposure Routes inhalation, skin and/or eye contact
Symptoms irritation eyes, skin, throat, upper respiratory system
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION