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<br />Semivolatile organic compounds (SVOCs) <br />in bed sediment <br /> <br />Study-unit frequency of detection, in percent <br />1 National frequency of detection, in percent <br />11 I I <br />Anthraquinone .. <br /> <br />Study-unit sample ~il <br /> <br />17 21 <br />50 83 <br />o 39 <br /> <br />~.::::! <br />. <br /> <br />9H-Carbazole .. <br /> <br />17 19 -:::::::J <br />50 76 . <br />0 33 . -e'~"& <br /> Dibenzothiophene <br />17 12 --c:...t--- <br />100 64 --cJ'.:::I <br />33 30 -- -.. '",,,",- .~, <br /> 2,6-Dimethylnaphthalene .. <br />100 65 -....:.~ <br />100 74 c::r.:::t-- <br />100 77 --- -t-~'.. <br /> bis(2-Ethyl hexyl )phthalate .. <br />100 91 -:.:--+- <br />100 99 -~. <br />100 95 -- - .. <br /> Fluoranthene <br /> <br />100 66 <br />100 97 <br />100 78 <br /> Phenol .. <br />100 81 <br />100 82 <br />100 80 <br /> 0.1 <br /> <br />-= r=-= <br />~."" <br />---.- -~'....--- - -- <br /> <br />-..~.- <br />~ <br />... -...c".~"-- .. <br /> <br />10 <br /> <br />100 <br /> <br />1,000 <br /> <br />10,000 <br /> <br />100,000 <br /> <br />CONCENTRATION, IN MICROGRAMS PER KilOGRAM, DRY WEIGHT <br /> <br />Other SVOCs detected <br />Acridine .. <br />Anthracene <br />Benz[a]anthracene <br />Benzo[a]pyrene <br />Benzo[b]fluoranthene <br />Benzo[ghl]perylene .. <br />Benzo[k]f1uoranthene .. <br />Butylbenzylphthalate <br />Chrysene <br />p-Cresol .. <br />Di-n-butylphthalate .. <br />Di-n-octylphthalate .. <br />Dibenz[ a,hJanthracene <br />Diethylphthalate .. <br />1,2-Dimethylnaphthalene <br />1,6-Dimethylnaphthalene <br />Dimethylphthalate .. <br />2-Ethylnaphthalene .. <br />9H-Fluorene (Fluorene) <br />Indeno[1,2,3-cdJpyrene .. <br /> <br />32 Water Quality in the Upper Colorado River Basin <br /> <br />6 <br />2 <br />6 <br /> <br />1-Methyl-9H-fluorene .. <br />2-Methylanthracene .. <br />4,5-Methylenephenanthrene <br />1-Methylphenanthrene .. <br />1-Methylpyrene .. <br />Naphthalene <br />Pentach loron itrobenzene <br />Phenanthrene <br />Pyrene <br />2,3,6- Trimethylna'phthalene <br /> <br />SVOCs not detected <br />Acenaphthene <br />Acenaphthylene <br />C8-Alkylphenol .. <br />Azobenzene .. <br />Benzo[ c]cinnoline .. <br />2,2-Biquinoline .. <br />4-B romophenyl-phenylether <br />4-Chloro-3-methylphenol .. <br />bis(2-Chloroethoxy)methane <br />2-Chloronaphthalene .. <br />2-Chlorophenol .. <br />4-Chlorophenyl-phenylether .. <br />1 ,2-Dichlorobenzene (o-Dichlorobenzene) <br />1,3-Dichlorobenzene (m-Dichlorobenzene) .. <br />1,4-Dichlorobenzene (p-Dichlorobenzene) .. <br />3,5-Dimethylphenol .. <br />2,4-Dinitrotoluene .. <br />Isophorone .. <br />Isoquinoline .. <br />Nitrobenzene .. <br />N-Nitrosodi-n-propylamine <br />N-Nitrosodiphenylamine .. <br />Phenanthridine .. <br />Quinoline .. <br />1,2,4-Trichlorobenzene .. <br /> <br />6 <br />2 <br />6 <br /> <br />6 <br />2 <br />6 <br /> <br />6 <br />2 <br />6 <br /> <br />6 <br />2 <br />6 <br /> <br />Trace elements in fish tissue (livers) and <br />bed sediment <br /> <br />6 <br />2 <br />6 <br /> <br />Study-unit frequency of detection, in percent <br />1 National frequency of detection, in percent <br /> <br />11 I I I <br />Arsenic' <br />40 56 -..-..- <br />o 38 _ <br />88 76 m <br /> <br />mn ~_ <br /> <br />Cadmium' <br /> <br />Study-unit sam pie ~il <br /> <br /> <br />5 <br />2 <br />8 <br /> <br />3 <br />2 <br />6 <br /> <br />6 <br />2 <br />6 <br /> <br />80 <br />100 <br />75 <br />100 <br />100 <br />100 <br /> <br />77 <br />72 <br />95 <br />98 <br />100 <br />98 <br /> <br />.~.- <br /> <br />...II <br /> <br />---.-- ~ <br />-.---. - <br />.-- -C' "'..t"+.... -- <br /> <br /> Chromium' <br />40 62 4- <br />100 72 ..--. <br />62 54 - <br />100 100 :::I~ <br />100 99 <br />100 100 <br /> Copper' <br />100 100 <<"II <br />100 100 - <br />100 100 tt - t . <br />100 100 -t...~ <br />100 99 --........:..-- -- <br />100 100 . ~ <br /> <br />0.01 <br /> <br />0.1 <br /> <br />10 <br /> <br />100 <br /> <br />1,000 <br /> <br />CONCENTRATION, iN MICROGRAMS PER GRAM <br />(Fish tissue is wet weight, bed sediment is dry weight) <br /> <br />5 <br />2 <br />8 <br />3 <br />2 <br />6 <br /> <br />5 <br />2 <br />8 <br />3 <br />2 <br />6 <br /> <br />5 <br />2 <br />8 <br />3 <br />2 <br />6 <br /> <br />10,000 <br />