We think we have high formaldehyde levels in our home from the subfloor or the flooring glue. Who can test for this?

Maybe you could vent the crawlspace using mechanical ventilation.

Regarding the levels of formaldehyde in your home, an Indoor Environmental Consultant should be able to take samples and have them sent to a lab. The only problem is that the results will only reflect specifically what you are testing for (what if the problem is something other than formaldehyde...did you test for that...see my point?).

Rather than spend money on the tests, my advice would

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