Phosphine
PEL = 0.3 ppm, IDLH = 50 ppm
LEL = 1.8%, auto-ignition @ 38oC
Examples of levels measured in controlled cook situations
- Open container of red phosphorus = 1.4 ppm
- HI/RP cook: 0-13 ppm at sample port
- Making HI by mixing I2 and water, then adding RP: 0-42 ppm
- Hypophosphorous acid cook: 0-85 ppm
Levels measured at clan labs: 23 ppm at opening of 22 liter
Levels measured opening evidence containers
- 1-28 ppm opening kaypak
- 5-7.5 ppm opening evidence bucket
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