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Chemical Sampling Information (CSI) Chemical Sampling Information
Aluminum (as Al), Metal (Total Dust)
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General Description

    Synonyms: Aluminium; Aluminum powder; Elemental aluminum

    OSHA IMIS Code Number: A100

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

    NIOSH, Registry of Toxic Effects (RTECS) Identification Number: BD0330000

    Department of Transportation Regulation Number (49 CFR 172.101) and guide [2008 Emergency Response Guidebook, 2.5 MB PDF]: 1309 170 (powder, coated); 1396 138 (powder, uncoated); 9260 169 (molten)

    NIOSH Pocket Guide to Chemical Hazards, Aluminum: chemical description, physical properties, potentially hazardous incompatibilities, and more

Exposure Limits
    OSHA Permissible Exposure Limit (PEL) for General Industry: 29 CFR 1910.1000 Z-1 Table -- 15 mg/m3 TWA

    OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 15 mg/m3 TWA

    American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 1 mg/m3 TWA; Respirable fraction; see Appendix C, paragraph C; Appendix A4 - Not Classifiable as a Human Carcinogen

    National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 10 mg/m3 TWA
Health Factors
    International Agency for Research on Cancer (IARC) carcinogenic classification: Aluminum Production - Group 1, Carcinogenic to Humans [236 KB, PDF]

    NIOSH/OSHA/DOE Health Guideline
Monitoring Methods used by OSHA
    Laboratory Sampling/Analytical Method:

    Federal OSHA and OSHA State Plan personnel submitting samples to OSHA SLTC Laboratory for 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.
      note: Refer to Chemical Sampling Information for “alpha-Alumina” when sampling workplaces that have aluminum oxide exposures (welding, etc.).
      current elemental analysis method: Atomic Absorption Spectroscopy; AAS
      method reference: OSHA Analytical Method (OSHA ID-121)
      method classification: Fully Validated
      alternate analytical method: Samples are prepared as described in OSHA ID-121 and are analyzed by Inductively Coupled Argon Plasma; ICP/AES or ICP/MS.
      note: When analysis of aluminum metal is requested, an elemental analysis is performed and reported as aluminum metal. The analytical method does not distinguish between dust and fume; or between aluminum metal and other acid soluble or partially acid soluble aluminum compounds.
    Alternative Sampling/Analytical Method:
    • sampling media: Mixed Cellulose Ester Filter (MCEF) 0.8 µm
      maximum volume: 960 Liters minimum volume: 480 Liters maximum flow rate: 2.0 L/min
      current elemental analysis method: Atomic Absorption Spectroscopy; AAS
      method reference: OSHA Analytical Method (OSHA ID-121)
      method classification: Fully Validated
      alternate analytical method: Samples are prepared as described in OSHA ID-121 and are analyzed by Inductively Coupled Argon Plasma; ICP/AES or ICP/MS.
      note: When analysis of aluminum metal is requested, an elemental analysis is performed and reported as aluminum metal. The analytical method does not distinguish between dust and fume; or between aluminum metal and other acid soluble or partially acid soluble aluminum compounds.

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