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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.