Should fish-eaters be worried about eating ling cod? Humboldt Baykeeper is about to begin a study of mercury in certain Humboldt fish populations. Meanwhile, the California Office of Environmental Health Hazard Assessment is advising citizens in the Montery Bay area that certain local fish populations contain high levels of mercury and PCBs. Fred Evenson of the Ecological Rights Foundation and EcoNews Report host Jennifer Kalt (Director of Humboldt Baykeeper ) discussed mercury in fish in