There are 19 indoor air testing items, 74 ambient air testing, and 80 industrial exhaust gas testing, including respirable particulate matter (PM10 and PM2.5), volatile organic compounds (VOCs), total volatile organic compounds (TVOC), volatile halogenated hydrocarbons, food and beverage fumes, total number of bacteria, total suspended particulate matter TSP, particulate matter, smoke exhaust parameters, etc.
