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Is compositing of plastics and other materials allowed in regards to lead testing in substrates?

April 26, 2017allowed compositing lead Materials plastics regards substrates Testing

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Is compositing of plastics and other materials allowed in regards to lead testing in substrates?

2 Answers

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No. Compositing to combine different substrates from one or more samples may fail to detect excessive levels in one part merely because they are diluted. Accordingly, compositing of plastics or other materials to test for lead in substrates is not appropriate.

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No. Compositing to combine different substrates from one or more samples may fail to detect excessive levels in one part merely because they are diluted. Accordingly, compositing of plastics or other materials to test for lead in substrates is not appropriate.