Table 3 Biological exposure limit values of studied solvents [8–10, 19, 20, 22–24]

Biological Exposure index

(BEI) in Urine

FGV ²

(1997)

BEI ³

BAT ⁴

Adopted

BEI

Acetone

100 mg/l

50 mg/l

80 mg/l

50 mg/l

1,2-cyclohexanediol

-

-

170 mg/g creat

170 mg/g creat

2,5 hexanedione

-

0.4 mg/l

-

0.4 mg/l

Methylethylketone

-

2 mg/l

5 mg/l

2 mg/l

Hippuric acid

2500 mg/g creat

1600 mg/g creat

-

1600 mg/g creat

Trichloroacetic acid

100 mg/g creat

80 mg/l

[15 mg/l

(Proposal 2007)]

A

15 mg/l

Concentration of Trichloroethylene

in the air (ml/m ³ )

Acid trichloroacetic

in the urine (mg/l)

10

20

20

40

30

60

50

100