How can STS researchers collaborate with communities to design environmental monitoring devices that more effectively express their experiences and address gaps in regulation. This paper describes and shows the results of a novel method of visualizing environmental emissions of corrosive gases such as hydrogen sulfide (H2S) exposure using photographic paper. H2S is a neurotoxic and fl... https://www.roneverhart.com/DigiCo-SD11i-Control-Surface-MADI-Only-p6714/