Dumpster Odor Foul Smells
Foul-smelling commercial dumpsters can invite pests, become a public nuisance. It generally makes life worse for the people forced to encounter them.
That situation would also raise the health concern.
Tested response levels of SMELL/Odor sensor to various gases
EC Odor Finder - German Technology
EC Odor Finder is an industrial-grade, PPB level gas sensing device. It houses an electro-chemical gas sensor made of solid polymer with technology from EC Sense, < http://www.ecsense.de > Bavaria, Germany.
The SMELL sensor adopted inside EC Odor Finder is designed to represent olfactory sensation of human nose. It responses to multiple city odors such as hydrogen sulfide (H2S), ammonia (NH3), and various hydrocarbons (VOCs), alkanes and ketones.
EC Sense has other gas type modules to fit in the EC Odor Finder, easily to become EC Gas Finder. Dual-gas Finder version is also available on request.