. Bulletin. Natural history; Natural history. Aug., 1975 Metcalf & Sanborn: Pesticides and Environmental Quality 429 Table 45.—Rt values and amounts, in parts per million, of chlordane" and its degradation products found in the water and organisms of a model ecosystem. Rf" Oedogonium Physa Water (alga) (snail) Ciilex Oambusia (mosquito) (fish) Total '"C I' II III IV V Clilordane+ VI VII VIII IX
. Bulletin. Natural history; Natural history. Aug., 1975 Metcalf & Sanborn: Pesticides and Environmental Quality 429 Table 45.—Rt values and amounts, in parts per million, of chlordane" and its degradation products found in the water and organisms of a model ecosystem. Rf" Oedogonium Physa Water (alga) (snail) Ciilex Oambusia (mosquito) (fish) Total '"C I' II III IV V Clilordane+ VI VII VIII IX X XI XII XIII XIV XV XVI XVII XVIII XIX XX Origin Unextractable '<C cis: trans ' l,2,4,5,6,7,S,8-octachloro-3a,4,7,7a-tetrahydi-o-4,7-methanoindane (cis:trans, 3 :1), "C-ring. ' Silica Gel GP-254, n-hexane rethyl acetate, 9 :1 by volume. ' Roman numerals indicate compounds whose chemical structures are Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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