Register July 2017 No. 739
GROUNDWATER MONITORING LIST
1 Common names are those widely used in government regulations, scientific publications and commerce; synonyms exist for many chemicals.
2 Chemical Abstracts Service registry number. Where ``Total'' is entered, all species in the groundwater that contain this element are included.
3 CAS index names are those used in the 9th Cumulative Index.
4Polychlorinated biphenyls (CAS RN 1336-36-3). This category contains congener chemicals, including constituents of Aroclor-1016 (CAS RN 12674-11-2), Aroclor-1221 (CAS RN 11104-28-2), Aroclor-1232 (CAS RN 11141-16-5), Aroclor-1242 (CAS RN 53469-21-9), Aroclor-1248 (CAS RN 12672-29-6), Aroclor-1254 (CAS RN 11097-69-1) and Aroclor-1260 (CAS RN 11096-82-5).
5 This category contains congener chemicals, including tetrachlorodibenzo-p-dioxins (see also 2,3,7,8-TCDD), pentachlorodibenzo-p-dioxins and hexachlorodibenzo-p-dioxins.
6 This category contains congener chemicals, including tetrachlorodibenzofurans, pentachlorodibenzofurans and hexachlorodibenzofurans.