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Borates, Tetra, Sodium Salts, Anhydrous

General Description

  • OSHA IMIS Code Number: 0374
  • Chemical Abstracts Service (CAS) Registry Number: 1330-43-4
  • Chemical Description and Physical Properties:
    • solid

Exposure Limits

  • American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV) (2004): 2 mg/m3 (inhalable particulate matter) TWA; 6 mg/m3 (inhalable particulate matter) STEL; A4
  • National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 1 mg/m3 TWA

Health Factors

  • Health Effects: Irritation-Eye, Nose, Throat, Skin---Moderate (HE15)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • Tared Low Ash Polyvinyl Chloride (LAPVC) filter 5 microns
  • maximum volume: 960 Liters
  • minimum volume: 480 Liters
  • maximum flow rate: 2.0 L/min
  • current analytical method: Gravimetric &/or Inductively Coupled Argon Plasma; ICP/DCP-AES
  • method reference: OSHA Analytical Method (OSHA ID-125G)
  • method classification: Not Validated
  • note: Submit as a separate sample only if the gross weight of the sample yields an air concentration greater than the PEL. When analysis of this compound is requested, an elemental analysis for Boron is performed and reported as the compound. Procedure based on OSHA method ID-125G.
Wipe Sampling Method:
  • Whatman smear tab
  • analytical solvent: Deionized water

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