Chlorine and the environment

["Chlorine compounds" "Chlorine industry" "Environmental aspects" "Environmental aspects of Chlorine compounds" "Environmental aspects of Chlorine industry" "Chemical Pollution" "Paper And Woodpulp Industries" "Technology" "Environmental Studies" "Science/Mathematics" "Biotechnology" "Chemistry - Physical & Theoretical" "Environmental Science" "Science / Environmental Science" "Science : Biotechnology" "Science : Chemistry - Physical & Theoretical" "Environmental Engineering & Technology" "Manufacturing" "Chemical industry"]