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Table 2 Organic solvent concentrations in the company unit: ppm

From: The Relationship of Liver Function Tests to Mixed Exposure to Lead and Organic Solvents

Organic solvent TWA * Non-ferrous metal company Paint manufacturing company Painting company
Detonator synthesis Washing Painting Combinating Softening Mixing Mixing Packaging Painting Painting
Mixed exposure TCE co-exposed TCE non-exposed Mixed exposure TCE non-exposed
n-hexane 50 0.1031 0.1112 trace - - - - - - 0.0835
Ethyl acetate 400 0.2319 0.3808 0.5342 2.8413   - 2.0855 - - -
MEK 200 0.1041 0.1946 0.1656 4.1674 12.7069 0.5546 9.1642 11.2934 - -
MIK§ 50 0.6948 0.9361 0.0572 2.5129 8.7895 0.0045 4.4972 2.6295 0.1358 1.4292
Toluene 50 1.6478 2.442 0.7003 5.4129 5.9577 2.1633 8.9979 4.2588 0.9049 12.4106
Acetone 500 - - - - - - - - 0.2642 9.1653
IPA 200 - - - - - - - - - 9.3673
TCE 50 8.1785 11.658 ± - - - - - - -
n-butyl Acetate 150 - 0.5145 0.6153 -   - 1.2671 - - -
Xylene 100 0.3448 0.0388 0.2195 4.0403 18.6873 4.9197 7.8636 10.8343 0.2108 5.1361
Ethyl ether 400 0.0135 - - - - - - - - -
EM 1 0.2178 0.3103 0.0241 0.2269 0.5454 0.0953 0.408 0.3026 0.0234 0.41
  1. *Time weighted average, Trichloroethylene, Methyl ethyl ketone, §Methyl isobutyl ketone, ¡«Isopropyl alcohol, Estimation of mixture.