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Author Comment Last activity Moderation
DavidMack "It's quite a broad question to answer but when people use WebFire to estimate emissions, it's generally the best information available. Sources co..." | Read more » over 1 year ago
DavidMack "@gpenzo the 2 ft. of chain would serve as the counter weight, then the chain would connect to a rope which is connected to an anchor. the foam dis..." | Read more » about 6 years ago
DavidMack "Here's one of the EPA source sampling methods: select method 316 in the pick list here for the purified DI water capture method: http://www.epa.gov..." | Read more » about 7 years ago
DavidMack "It sounds like a novel approach to breakdown formaldehyde. However, if you're in a situation whereby outdoor air is cleaner than indoor air, would..." | Read more » about 7 years ago