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What’s the Point of Indoor-Outdoor Comparisons?

Dear George, What’s the point of indoor-outdoor comparisons? Signed, Pointless ————- Dear Pointless, Depending on the geographic ecosystem, there is some natural level of mold and mold spores outside. It is pure common sense that one indication of a problem is when there is more mold inside than outside. Naturally occurring biological materials such as…

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Clearance Certificate Agency

Dear George, I’m in California. Is there an agency that issues an inspection and clearance certificate after mold abatement to a commercial building? Please advise. Sincerely, Post Remediation Question ————————————– Dear Post Remediation Question, The guidelines for mold are that there is no visible mold growth and that the results of the air sampling is…