PPT Slide

Hydrogen sulfide

Inside: Normal conditions: 5 ppm

Manure handling operations: 200-1500 ppm.

Reynolds & co-workers (1997) - not detected.

Outside Reynolds & co-workers (1997) - Not detected

OSHA: TWA, 10 ppm; STEL, 55 ppm

Odor threshold: 0.0002 ppm.

Effect on humans:

10 ppm Eye irritation

200 ppm (1 hr.) Dizziness, CNS, pneumonia

600 ppm > Rapid death

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