Learn

Guides & resources

Everything you need to collect a good sample, read your report, and get answers — in plain language.

How-to

Collecting your sample

Step-by-step: fill, chill, and ship the same day so your sample stays valid.

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Your report

Understanding your results

What EPA limits mean, "below" vs "over," and what to do next.

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Support

Help & FAQ

Shipping, turnaround, activating your kit, refunds, and more.

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