Monday, March 30, 2009

Mercury Contamination

If Mercury contamination is suspected, what must be done?

The following test must be performed:

1. Enclose the suspect material in a polyethylene bag or close-fitting airtight container for eight hours at room temperature (76°F to 86°F). Or, place the bag in an oven set at 125°F (+/-5°) for one hour.

2. Make a small slit in the bag and sample the air with a mercury vapor analyzer.

3. If the mercury vapor concentration is greater than 0.01 µg/m3, the material is contaminated and will be cause for rejection.

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