I can't find anything on foam either, just the resin in wood products: - https://www.epa.gov/formaldehyde/laws-and-regulations-concerning-formaldehyde https://

I can't find anything on foam either, just the resin in wood products: - https://www.epa.gov/formaldehyde/laws-and-regulations-concerning-formaldehyde https://www.epa.gov/formaldehyde/laws-and-regulations-concer... - https://www.regulations.gov/document/EPA-HQ-OPPT-2016-0461-0001 https://www.regulations.gov/document/EPA-HQ-OPPT-2016-0461-0... ("Formaldehyde Emission Standards for Composite Wood Products", linked from the first page, this one has ppmz) - https://www.cpsc.gov/safety-education/safety-guides/home/update-formaldehyde https://www.cpsc.gov/safety-education/safety-guides/home/upd... ("An update on formaldehyde", lists some numbers like 0.1 ppm for absolute upper limit without adverse effects for most people, 0.03 ppm in low-emission environments)