http://www.cleanharbour.gov.hk/

http://www.dsd.gov.hk/sewerage/harbour_area_treatment_scheme/index_t_c.htm

http://www.epd.gov.hk/epd/tc_chi/ news_events/events/files/leung_hang_kin.doc

http://sc.info.gov.hk/gb/www.epd.gov.hk/eia/tc_chi/alpha/aspd_445.html

http://www.slcss.edu.hk/subjects/chem/project/Water%20pollution%20in%20HK.ppt

http://www.wwf.org.hk/chi/conservation/intro/old_statement_HATS_070704.html

http://www.skhlkmss.edu.hk/geography/tch18/Form%207/Water%20Pollution.ppt

http://www.dsd.gov.hk/FileManager/EN/access_information/code_access_information/list/hats.pdf

http://www.foe.org.hk/welcome/geten.asp?language=en&id_path=1,%207,%2028,%20151,%202096

http://www.foe.org.hk/welcome/gettc.asp?id_path=1%2C+7%2C+28%2C+151%2C+1044

http://www.cancham.org/pdf/ResDoc4.doc

http://ihouse.hkedcity.net/~hm1203/development/pollu-water-hats2.htm

http://geography.ccsc.edu.hk/geognews/21260405.htm