Ecological study of the Amoco Ecological study of the Amoco Cadiz oil spill : report of the NOAA-CNEXO Joint Scientific Commission ecologicalstudyo00noaa Year: 1982 TABLE 4. 11*C02 + 1<tCHil produced on 223 Day Incubation of Oiled Sediments with ll+C-Hydrocarbons (12/78). OF ADDED 14ca HYDROCARBON ABER WRAC 0-5cm 5-10cm AEROBIC ANOXIC H 10-15cm ANOXIC 1LE 0-2cm AEROBIC GRANDE 2-7cm ANOXIC 7-l2cm ANOXIC 0-5cm AEROBIC AMC-4 8-13cm ANOXIC 13-18cm ANOXIC 1- -Hexadecane 33 3 ,b 45 ? ? i 7 14 1- C-Heptadecane 25 1 0 34 0 ? 20 14 1- C-Heptadecene 28 0 ? 34 0 0 72 Ring- C-Toluene
Ecological study of the Amoco Ecological study of the Amoco Cadiz oil spill : report of the NOAA-CNEXO Joint Scientific Commission ecologicalstudyo00noaa Year: 1982 TABLE 4. 11*C02 + 1<tCHil produced on 223 Day Incubation of Oiled Sediments with ll+C-Hydrocarbons (12/78). OF ADDED 14ca HYDROCARBON ABER WRAC 0-5cm 5-10cm AEROBIC ANOXIC H 10-15cm ANOXIC 1LE 0-2cm AEROBIC GRANDE 2-7cm ANOXIC 7-l2cm ANOXIC 0-5cm AEROBIC AMC-4 8-13cm ANOXIC 13-18cm ANOXIC 1- -Hexadecane 33 3 ,b 45 ? ? i 7 14 1- C-Heptadecane 25 1 0 34 0 ? 20 14 1- C-Heptadecene 28 0 ? 34 0 0 72 Ring- C-Toluene 27 2 34 28 0 ? 14 Methyl- C-Toluene 18 ? ? 29 5 23 9 7 l-(4,5,8)-UC- Naphthalene 72 0 0 78 0 0 14 U- C-Benzene 26 0 2 45 0 0 25 0 0 7,10,-14C- Benzo(a)pyrene 3 0 0 0 0 0 0 0 a Initial levels ranged from x 10 DPM/vial 14 b Indicates that CO. was apparently present but was not quantifiable because levels were near detection limits 40 ooo r FIGURE 6. CO2 production from [ ring-1'*C]-toluene during dark anaerobic incubation with sediments from the Aber Wrac'h 5-10 cm interval. Radiolabel was added at the beginning of the incubation period or 38 hours after incubation began (late addition). Bars indi- cate one standard deviation. 174
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