Klmpk 1 Uu no5 1990 pdf : http://www.dephut.go.id/files/UNDANG-UNDANG%20REPUBLIK%20INDONESIA%20NOMOR%205%20TAHUN%201990.pdf
Klmpk 2 Uu no12 1992 pdf: http://www.promedia.co.id/ppvtpp/files/47uu12-1992.pdf
Klmpk3 uu no24 1992 pdf: http://portal.djmbp.esdm.go.id/sijh/UU%2024-1992.pdf
Klmpk4uu no5 1994 pdf: http://bk.menlh.go.id/files/UU-594.pdf?PHPSESSID=7534b711f989c1aba104256361196a47
Klmpk6 uu no13 1994 pdf: http://www.proxsis.com/perundangan/LH/doc/uu/E00-1994-00013.pdf