Formaldehyde
formaldehyde

Formaldehyde is a colorless, flammable gas that can be carcinogenic to humans, and is a common additive to building materials and household products. Formaldehyde is also formed in the environment upon oxidation of a variety of hydrocarbons, including natural gas (methane). Symptoms of exposure to low concentrations of formaldehyde may include headache, nausea, throat and skin irritation, and exacerbated chemical sensitivity. For a quick summary of formaldehyde exposure basics, please see the [ASTDR’s ToxFAQs for Formaldehyde](https://www.atsdr.cdc.gov/toxfaqs/TF.asp?id=219&tid=39). For much more in-depth information, please see the [ASTDR’s Toxicological Profile for Formaldehyde](https://www.atsdr.cdc.gov/toxprofiles/tp.asp?id=220&tid=39). In Public Lab, we’ve been exploring low-cost methods for monitoring airborne concentrations of formaldehyde and low-cost methods for mitigating exposure to it. ### Formaldehyde projects Projects related to formaldehyde monitoring and exposure mitigation can be found on the following wikis. Low-cost monitoring of airborne formaldehyde using colorimetric tubes: https://publiclab.org/wiki/formaldehyde-test-kit Low-cost monitoring of airborne formaldehyde using a passive badge sampler and smartphone app: https://publiclab.org/wiki/smart-form Personal exposure to formaldehyde (and information about exposure): https://publiclab.org/wiki/formaldehyde-exposure Low-cost remediation or airborne formaldehyde: https://publiclab.org/wiki/diy-indoor-air-quality-remediation-kit ### Current formaldehyde research in Public Lab Follow active development on [the tag 'formaldehyde.'](/tag/formaldehyde) You can also [subscribe](/subscriptions) to to the formaldehyde tag to get email updates when a research note, wiki, or question gets tagged as related to formaldehyde. **** ### Questions in Public Lab related to formaldehyde [questions:formaldehyde] **** ### Activities to try in Public Lab related to formaldehyde [activities:formaldehyde] **** ...


Author Comment Last activity Moderation
nshapiro "I think this looks great! The air intake is in one end of the tube. so we could have one less inlet to cut in the top panel and we could have it s..." | Read more » about 9 years ago
mathew "I'm trying to think about how everything might go together for shipping-- I'd like to put the monitor in a plastic suitcase with a top panel cut to..." | Read more » about 9 years ago
mathew "@Danbeavers If you ream it you're right-- I was thinking about just a drill hole and that note. Vibrations on either a cheap drill or a poorly secu..." | Read more » about 9 years ago
nshapiro "+1 to the time relay delay it could be adhered to the belly of the pump. Digging the flow meter debate! " | Read more » about 9 years ago
danbeavers "Mathew: Why would you doubt the accuracy of a stepped bore? A reamer will provide very accurate hole size and ball bearings have very accurate di..." | Read more » about 9 years ago
mathew "@danbeavers hmm... the variability in the break and its effect on flow could be quantified with a more accurate flow meter. I wonder how variable ..." | Read more » about 9 years ago
danbeavers "Another approach to this problem would be essentially what Drager does. We could construct a manual vacuum pump. It would essentially be like a b..." | Read more » about 9 years ago
danbeavers "Thanks Nate for posting my thoughts. I wanted to comment on Mathew's idea of calibrating the pump before shipment. I assume what is meant is that..." | Read more » about 9 years ago
nshapiro "@danbeavers just sent me a great email about cheap flow meters. he told me I could repost it, so am putting it here: "I have been thinking/researc..." | Read more » about 9 years ago
nshapiro "Gotcha. In my testing in 2011 i did some of the test and mailed test kits to those i couldn't meet in person. altho it wasn't statistically signifi..." | Read more » about 9 years ago
mathew "The vintage timers are probably far too massive. I'm not as worried about tampering as I am about good faith forgetfulness-- I don't always hear t..." | Read more » about 9 years ago
nshapiro "This is great. The vintage timers are pretty amazing although they add a lot of weight and thus money and are not tamper proof. We could just inclu..." | Read more » about 9 years ago
nshapiro "Great. I've ordered the last two as they have the accuracy we need--will report back by the end of the week. way cheaper than the one i had found. ..." | Read more » about 9 years ago
warren "double sided foam tape, maybe? any formaldehyde concerns in the tape itself? " | Read more » about 9 years ago
mathew "we can put double sided tape down on the spot-- they remove the cover and stick the tube down. we already have a ton of 1/8" double sided tape. " | Read more » about 9 years ago
mathew "following up on our discussion about trying to calibrate the pump without the flow meter-- could we calibrate the pump at our office, and then have..." | Read more » about 9 years ago
warren "The tube ought to be taped to the card, I think, so you don't mix it up if you are storing the cards and tubes together. +1 compactness for varyin..." | Read more » about 9 years ago
nshapiro "It looks like most of the cheap hygrometers are of the coil and dial variety which I worry about the robustness of. This one is temp and humidity ..." | Read more » about 9 years ago
warren "Yes, maybe ask Shannon about the budget. The QR code just points at wherewebreathe.org/qr - we can hook that up later to redirect anywhere we like...." | Read more » about 9 years ago
eustatic "cool " | Read more » about 9 years ago
nshapiro "This looks! great! what do you think the QR code would be? We might need there to be a solid color that the tube is placed on top of for consistenc..." | Read more » about 9 years ago
warren "I think the card could be folded in half, print outward, so the stuff pushes it flat onto the table. Here's a draft, but I do think we could make ..." | Read more » about 9 years ago
mathew "One confounding issue is where the card goes in library shipment. I'm looking at foam-lined reusable boxes we can package everything easily and mi..." | Read more » about 9 years ago
warren "OK, cool - i agree vertical orientation will probably work better, and OK, going to go for a letter-sized sheet; Nick, could you try to select fina..." | Read more » about 9 years ago