Derivation and field testing of air-milk and feed-milk transfer factors for PCBs

Article Abstract:

The movement of polychlorinated biphenyls (PCBs) from the atmosphere to milk can be quantified through the determination of transfer factors. These transfer factors describe the movement of PCBs within the air-milk cycle and the animal feed-milk cycle. The application of these transfer factors was found to be effective when data for the PCB contamination level at farms in Northeast England was surveyed.

United States, Research and Development in the Physical, Engineering, and Life Sciences, Pollution Control R&D, Pollution control research

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Input-output balance of polychlorinated pephenyls in a long-term study of lactating dairy cows

Article Abstract:

Five cows were tested for a PCB input-output balance when fed a natural background contaminated diet and kept under normal UK winter husbandry conditions for 15 weeks. An initial short-term study was performed over 5 days to test variability in PCB fluxes. This was followed by a fourteen week study to again determine variability and the appropriateness of a steady-state assumption for modeling purposes.

United Kingdom, Industrial Organic Chemicals, Pollution

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