Table 1. Compound Classes Identified in Blubber Samples of Adult Male Tursiops truncatus (n = 8) Stranded along the Southern California Bight, The Number of Congeners or Isomers within Each Class, The Range of Halogenation, Their Source, And the Number of Compounds within Each Class That Are Not Typically Monitored in Environmental Samplesa.
| class | no. compounds | no. bromines | no. chlorines | source | no. not typically monitored |
|---|---|---|---|---|---|
| chlordane-related | 23 | 0,UD | 6,7,8,9,10,UD | anthropogenic | 18 |
| chlorinated benzenes | 4 | 0 | 3,4,5,6 | anthropogenic | 4 |
| chlorinated styrenes | 2 | 0 | 3,7 | anthropogenic | 2 |
| chlorophosphate | 1 | 0 | 3 | anthropogenic | 1 |
| DDT-related | 29 | 0,UD | 2,3,4,6,7,9,UD | anthropogenic | 23 |
| dichlorobenzophenone | 1 | 0 | 2 | anthropogenic | 1 |
| hexachlorocyclohexane-related (HCH) | 4 | 0 | 4,6 | anthropogenic | 2 |
| heptachlor-related | 4 | 0 | 7,8 | anthropogenic | 3 |
| methylenebistrichloroanisole | 1 | 0 | 6 | anthropogenic | 1 |
| methylsulfonyl polychlorinated biphenyls (methylsulfonyl-PCBs) | 6 | 0 | 5,6 | anthropogenic | 6 |
| mirex-related | 5 | 0,UD | 10,11,12,UD | anthropogenic | 4 |
| polybrominated biphenyls (PBBs) | 13 | 4,5,6 | 0 | anthropogenic | 12 |
| polybrominated diphenyl ethers (PBDEs) | 17 | 2,3,4,5,6 | 0 | anthropogenic | 5 |
| polychlorinated terphenyls (PCTs) | 37 | 0 | 4,5,6,7,8 | anthropogenic | 37 |
| pyrrolidinecarbonyl chloride | 1 | 0 | 1 | anthropogenic | 1 |
| toxaphenes | 19 | 0 | 5,6,7,8,9 | anthropogenic | NA |
| tris(4-chlorophenyl)methane (TCPM) | 12 | 0 | 2,3,4 | anthropogenic | 12 |
| tris(4-chlorophenyl)methanol (TCPMOH) | 1 | 0 | 5 | anthropogenic | 1 |
| brominated anisole | 1 | 3 | 0 | mixed | 1 |
| chlorinated polycyclic aromatic hydrocarbon (PAH) | 1 | 0 | 2 | mixed | 1 |
| polybrominated dibenzofuran (PBDF) | 2 | 2 | 0 | mixed | 2 |
| brominated indoles | 2 | 1,2 | 0 | natural | 2 |
| dimethyl bipyrroles (DMBPs) | 20 | 0,2,3,4,5,6 | 0,1,2,3,4,6 | natural | 20 |
| methoxy brominated diphenyl ethers (MeO-BDEs) | 5 | 3,4,5 | 0 | natural | 5 |
| methoxy brominated/chlorinated diphenyl ether (MeO-B/CDE) | 1 | 3 | 1 | natural | 1 |
| methoxy polybrominated biphenyl (MeO-PBB) | 1 | 4 | 0 | natural | 1 |
| methyl bipyrroles (MBPs) | 8 | 0,4 | 0,6,7 | natural | 8 |
| polybrominated hexahydroxanthenes (PBHDs) | 4 | 3,4 | 0 | natural | 4 |
| brominated/chlorinated diphenyl ethers (B/CDEs) | 3 | 3 | 1 | unknown | 3 |
| bromomethylbiphenyl | 1 | 1 | 0 | unknown | 1 |
| chlorobenzaldehyde | 1 | 0 | 1 | unknown | 1 |
| methoxy chlorinated diphenyl ethers (MeO-CDEs) | 2 | 0 | 8 | unknown | 2 |
| trichloro benzonitrile | 1 | 0 | 3 | unknown | 1 |
| unknown-1 | 6 | 0 | 3,5,6 | unknown | 6 |
| unknown-2 | 11 | 0,UD | 3,5,UD | unknown | 11 |
| unknown-3 | 3 | 3,4 | 1 | unknown | 3 |
| unknown-4 | 17 | 0 | 4,6,7,8,9 | unknown | 17 |
| unknown-5 | 2 | UD | UD | unknown | 2 |
| unknown-6 | 3 | UD | UD | unknown | 3 |
| unknown-7 | 2 | UD | UD | unknown | 2 |
| unknown-8 | 2 | UD | UD | unknown | 2 |
| unknowns | 48 | 0,UD | 7,UD | unknown | 48 |
a
Acronyms are listed in the SI. “UD” indicates an undetermined number of halogens. Classes Unknowns-1 to Unknowns-8 contain compounds with suspected identities or similar characteristics, as discussed in the Results section. The class Unknowns contains all other unidentified compounds.