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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: A102

Chemical Abstracts Service (CAS) Registry Number: 7429-90-5

Chemical Description and Physical Properties:
solid
Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 5 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 5 mg/m3 TWA

Health Factors

Health Effects: Explosive, Flammable, Safety (No adverse effects encountered when Good Housekeeping Practices are followed) (HE18)

NIOSH/OSHA/DOE Health Guideline: Aluminum

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:

Federal OSHA and OSHA State Plan personnel submitting samples to OSHA SLTC Laboratory for Aluminum (as Al, welding fumes) analysis must use the tared gravimetric sampling media described immediately below.
  • sampling media: tared 37-mm diameter low-ash polyvinyl chloride filter
    maximum volume: 960 Liters
    minimum volume: 480 Liters
    maximum flow rate: 2.0 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 net weight of the sample yields a concentration below the standard for the substance, SLTC will perform no further work on that sample. If the net weight corresponds to an amount greater than the standard, the sample may be analyzed for the appropriate element and the result reported as the substance. current elemental analysis method: Lithium Borate Fusion/AAS or Microwave Digestion/AAS
    method reference: OSHA Analytical Method (OSHA ID-109SG or OSHA ID-198SG)
    method classification: Partially Validated
    note: Submit as a separate sample. When analysis of a compound is requested, an elemental analysis is performed and reported as the compound. The analytical method does not distinguish between dust and fume.
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