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Table 3 TCE concentrations near a hardware electroplating factory in Shenzhen

From: Serum levels of miR-21-5p and miR-339-5p associate with occupational trichloroethylene hypersensitivity syndrome

Sample type

Sources

Concentrations

Air (mg/m3)

 

Rooftop exhaust one

0.059

 

Rooftop exhaust two

0.057

 

In the workshop

2.710

 

Workshop door

0.354

 

Warehouse door

0.393

 

Sewage pool

0.713

 

Road one outside of factory

0.075

 

Road two outside of factory

0.083

Water (μg/L)

 

Sewage outlet

8.409

 

River near the sewage outlet

3.909

Soil (μg/kg)

 

Flower bed on the window of workshop

0.244

 

Flower bed three meters outside the workshop door

0.325

  1. “workshop” refer to the workshop where TCE was used