Table 2 Working environment measurement for each automobile repair shop

2,4-TDI^‡

-

-

2,6-TDI

-

-

MDI^§

-

-

HDI^**

-

-

Talc (except asbestos)

-

-

chromium

-

-

Trivalent chromium

-

-

Chromate (hexavalent chromium) (mg/m³)

0.0008-0.0013

0.0003-0.0006

0.0500

Lead (inorganic dusts, fume)

-

-

Nickel (insoluble inorganic compound) (mg/m³)

0.0039-0.0047

0.0001

0.5000

Formaldehyde (ppm)

0.3016-0.3244

0.0965-0.1069

0.7500