May 1: New or Revised TLVs in Effect

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The ACGIH published the 2015 new or revised TLVs. The following substances, for which there are new or revised ACGIH TLVs, were added to the Table of OELs for Excluded Substances in Prevention Policy R5.48-1 on May 1, 2015. The current BC OELs are maintained for these substances until the Board makes a decision on the adoption of their respective TLVs:

  • Acetylene
  • Cyanogen bromide (new TLV)
  • Lithium hydride
  • Methyl formate
  • Oxalic acid, anhydrous and dihydrate
  • 1,2,3-Trichloropropane
  • Triethylamine.