TLV of a Mixture

TLV of a Mixture

CH-04
ASPCSPAdvanced

Formula
1/TLVmix = f₁/TLV₁ + f₂/TLV₂ + ... fn/TLVn
When to Use

Calculate the combined TLV when workers are exposed to multiple chemicals with additive effects.

Symbol Legend
SymbolMeaningUnitNote
TLVmixThreshold Limit Value of the mixturemg/m³
f₁...nWeight fraction of each chemical in the mixturedecimalMust sum to 1.0
TLV₁...nTLV of each individual chemicalmg/m³

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