بایگانی برچسب برای: BEAR CREEK

GUIDELINES FOR CONSUMPTION OF FISH AND[taliem.ir]

GUIDELINES FOR CONSUMPTION OF FISH AND SHELLFISH FROM CLEAR LAKE, CACHE CREEK, AND BEAR CREEK (LAKE, YOLO, AND COLUSA COUNTIES)

The Office of Environmental Health Hazard Assessment (OEHHA), formerly part of the Department of Health Services (DHS) but now in the California Environmental Protection Agency, issued a health advisory in 1987 for sport fish from Clear Lake (Lake County) based on mercury contamination in edible fish tissue collected from the lake (Appendix I). Since the advisory was issued, additional data have been collected for Clear Lake fishes as well as for fish from surrounding water bodies, including Cache Creek and Bear Creek. The Central Valley Regional Water Quality Control Board (CVRWQCB) compiled a large dataset comprised of historical and more recently collected fish tissue data principally for Clear Lake but including data from the nearby water bodies. The CVRWQCB used this dataset to develop a Total Daily Maximum Load (TMDL) for mercury for Clear Lake to lower mercury levels in the watershed such that human and wildlife health are protected (Cooke, 2002). This dataset was reviewed by OEHHA, and data suitable for issuing fish consumption advisories were selected and used to update the advisory for Clear Lake and to determine whether there may bepotential adverse health effects associated with consuming sport fish from Cache Creek and Bear Creek.