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<p>[QUOTE=&quot;bruthajoe, post: 8011883, member: 108656&quot;]Well, I have some proofs that were stored the same way. They were decontaminated right before I bagged them but one suffers the foggy deposit and the other is fine. They were stored in similar ways. I </p><p>guess it&#039;s possible I wound up with a mixed batch of zippy&#039;s. I have the bag that the proof with the deposit was in and will test it. This should be a better control than randomly testing a bag anyway.&nbsp; I&#039;ll have to try a lot of bags because I am positive it&#039;s the bags. Whether or not it&#039;s PVC residue is another story. I think were just detecting halogens. I don&#039;t really know the range of plastic formulas this would include. What do you say about the flips testing positive?[/QUOTE]</p><p><br /></p>

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