Indicate whether the following statements are TRUE or FALSE. a) PCBs were used i
ID: 497508 • Letter: I
Question
Indicate whether the following statements are TRUE or FALSE. a) PCBs were used in electrical transformers._______ b) mg/L and ppm are different if the solvent is methanol.______ c) The community has a right to know if an industry produced a toxic chemical in their area. _____ d) RCRA was enacted before CERCLA._____ ROD stands for Record of Determination. _____ Chlorinated compounds ore resistant to biodegradation._____ Indicate names of two HW treatment methods for the following treatment categories: Physical 1) _____ 2) ______ Chemical 1) ______ 2) ______ For the biological reactions below indicate the electron acceptor and whether the bacteria is heterotrophic or autotrophic. a) CH_3CHOHCOOH_(lactic acid) + SO_3 rightarrow 2CH_3COOH_(acetic acid) + H_2S + HCO_3+ new cells [CNO] Elector Acceptor _____ Bacteria______ b) C_6H_12O_6 + 24 KNO_3 rightarrow 30CO_2 + 18H_2O + 24 KOH + 12N_2 + new cells [CNO] Elector Acceptor ______ Bacteria _____ c) H_2S + O_2 + CExplanation / Answer
4. a) True b)True c) True d) True e)False f) False
5. Physical : Encapsulation and Wetting
Chemical: Oxidation and Precipitation
6. a) Electron acceptor: SO42- Bacteria: Heterotropic
b) Electron acceptor: NO32- Bacteria: Heterotropic
c) Electron acceptor: O2 Bacteria: Autotropic