San Diego

An annual report issued by state water quality monitors Tuesday in Sacramento shows that San Diego Bay is still dirtied by elevated levels of toxic pollutants--exceeding federal health guidelines in one area where fishing restrictions are already in effect.

Tests on shellfish and sediment along the eastern edge of the waterway near Lindbergh Field showed PCBs--polychlorinated biphenyls--at levels slightly higher than last winter, but significantly below the record high readings made in 1982-83.

Although the finding represents no significant new health threat, San Diego County Health Officer Donald Ramras said it means that warnings against eating shellfish taken from the area near the bay's eastern commercial basin will certainly remain in effect.

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