Feem ntau, muaj qhov chaw uas muaj cov pa hluav taws xob los yog cov kua vapor thiab kuaj pom:
Refinery, chemical plant, roj depot, liquefied gas station, gas station, petrochemical, thee mine, thiab lwm yam.
Nws tsis tuaj yeem siv rau hauv ntau qhov chaw ua haujlwm xws li roj refineries, tshuaj nroj tsuag, roj depots, liquefied gas / gas stations, thiab lwm yam.
Tsis txhob tso cov pa taws los yog kua vapor. Yog tias tsis pom cov pa hluav taws xob los yog cov kua ua kua hauv lub sijhawm, cov pa roj ntau ntxiv mus ntxiv, thiab tom qab ntawd mus txog qhov txwv tsis pub tawg, ces muaj peev xwm ua rau muaj kev kub ntxhov xws li hluav taws kub lossis tawg txhua lub sijhawm. Txhawm rau kom muaj kev nyab xeeb ntawm tib neeg thiab cov cuab yeej siv, thiab ua kom tau raws li qhov yuav tsum tau muaj kev nyab xeeb ntawm cov nplaim hluav taws thiab cov pa phem hauv kev lag luam thiab lwm qhov chaw, kev siv lub tswb nrov yog qhov tseem ceeb heev. Kev teeb tsa ntawm lub ntsuas hluav taws xob hluav taws xob tuaj yeem saib xyuas cov roj concentration hauv lub sijhawm. Thaum cov concentration siab tshaj qhov ntsuas tus nqi, lub tswb nrov thiab pom kev yuav raug ua los tiv thaiv kev nyab xeeb ntawm lub neej.
