RESEARCH PAPER

Laboratory Results for Unit VIII Research Paper

Employee Position Analyte Sample Time Sample Result

1 Machining Mineral oil mist 480 minutes 1.1 mg/m3

2 Machining Mineral oil mist 480 minutes 0.9 mg/m3

3 Welding

Cleaning

Hexavalent chromium 360 minutes

120 minutes

8.5 µg/m3

0.5 µg/m3

4 Welding

Cleaning

Hexavalent chromium 300 minutes

180 minutes

10.0 µg/m3

0.2 µg/m3

5 Paint Booth Xylene

MEK

480 minutes 24 ppm

60 ppm

6 Paint

Booth/Cleaning

Nozzles

1,3 butadiene 15 minutes 6.0 ppm

Noise Dosimetry Data

Employee Position Sample Time Sample Result

1 Setting up parts for press

Operating 2,000-ton press

Clean-up

60 minutes

400 minutes

20 minutes

82.0 dBA

100 dBA

80.0 dBA

2 Setting up parts for press

Operating 200-ton press

Clean-up

30 minutes

430 minutes

20 minutes

80.0 dBA

89.0 dBA

80.0 dBA

3 Machining 480 minutes 85.5 dBA

4 Paint Booth 480 minutes 80.5 dBA

5 Shipping/Receiving/Forklift Driver 480 minutes 82.0 dBA