White powder/chalk like substance in crawl space (picture)


Tracking Powder is sold online and is relatively cheap. It comes in White, Blue and Pink powder.

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It may come in different strengths. This one is restricted use.

This product is a Restricted Use Product (RUP) and requires a Certified Applicator’s License to purchase.

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image

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The point is - you, the inspector, have NO IDEA what concentration was applied.

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I didn’t think of tracking powder. We have mice around here, but I don’t see tracking powder and rarely lime in crawlspaces.
The OP’s photo is very familiar and similar to things I do see. Because we cannot know for sure what stuff like that is, in general, wearing protective clothing and gear in crawlspaces is good advice. I know a guy in San Diego that dresses up like he is going on a space walk when he enters crawlspaces, because he got a brown recluse bite a few years ago. Know yourself, operate within your comfort zone, error on the side of being careful and try not to be stupid.

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Thanks for all the replies guys, much more than I anticipated - really helpful stuff. This forum is proving to be a viable source of information. :+1:

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