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Critical effects and exposure limits.

Risk analysis : an official publication of the Society for Risk Analysis (1997-04-01)
S O Hansson
RÉSUMÉ

The use of critical effects in the determination of occupational exposure limits (OELs) in Sweden is subjected to a statistical study. Many of the present OELs are high in relation to known no-effect levels and effect levels, and the degree of protection has a surprisingly weak correlation with the seriousness of the adverse effect. Several proposals for improved procedures are put forward. One of these is to supplement the concept of critical effects with that of dominant effects. A dominant effect of a substance is a health effect that is at some concentration the most serious health effect.

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Sigma-Aldrich
Di(propylene glycol) methyl ether, mixture of isomers, ≥99%
Sigma-Aldrich
Di(propylene glycol) methyl ether, mixture of isomers, 97%