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Chemical Sampling Information (CSI)
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General Description

Synonyms: Dust, (Respirable Nuisance); "Inert" dusts; Nuisance dusts; PNOR [Note: Includes all inert or nuisance dusts, whether mineral, inorganic, not listed specifically in 1910.1000.]

OSHA IMIS Code Number: 9130
IMIS Name History: Dust, (Respirable Nuisance) prior to 9/1/89

NIOSH Pocket Guide to Chemical Hazards, Particulates not otherwise regulated: chemical description, physical properties, potentially hazardous incompatibilities, and more
Exposure Limits

OSHA Permissible Exposure Limit (PEL):
General Industry: 29 CFR 1910.1000 Z-1 Table -- 5 mg/m3 TWA -- 29 CFR 1910.1000 Z-3 Table -- 15 mppcf, 5 mg/m3 TWA (PEL listed under Inert or Nuisance Dust (Respirable fraction))
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): Appendix B - Particles (insoluble or poorly soluble) Not Otherwise Specified [PNOS]

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): Appendix D - Substances With No Established RELs

Health Factors

Potential Symptoms: Irritation eyes, skin, throat, upper respiratory system

Affected Organs: Eyes, skin, respiratory system
Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:
  • sampling media: tared 37-mm diameter low-ash polyvinyl chloride filter preceded by 10 mm Nylon Cyclone
    maximum volume: 816 Liters
    minimum volume: 408 Liters
    flow rate: 1.7 L/min
    current analytical method: Gravimetric
    method reference: OSHA Analytical Method (OSHA PV2121)
    method classification: Partially Validated
    note: OSHA personnel can obtain tared sampling media from SLTC.
    note: If the filter is not overloaded, samples can be collected up to an 8-hour period.

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Page last updated: 05/27/2011