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Environment: Some Gulf of Mexico beaches are still contaminated with a toxic sludge of oil and dispersant

Research show that carcinogenic oil-related PAH compounds are easily absorbed through skin

A beach along Cape San Blas, Florida, where researchers sampled the swash zone for contaminated weathered tar product mixed with dispersant. PHOTO BY BOB BERWYN.

New research in Florida shows contaminated oil product accumulating in the swash zone of Gulf beaches. PHOTO BY BOB BERWYN.

By Bob Berwyn

SUMMIT COUNTY — Two years after the Deepwater Horizon oil disaster, beaches along the northern Gulf of Mexico coastline are far from being clean, says University of South Florida researcher James “Rip” Kirby, who recently documented accumulations of remnant oil with “scary high” concentrations of carcinogenic oil-related compounds. Download the full report or a summary at the Surfrider website.

In fact, the weathered tar product from crude oil dispersed with Corexit were found to have PAH concentrations consistently in excess of limits set to identify danger to life and health — IDHL limits, as defined by NOAA’s Office of Response and Restoration.

In all, 32 sites were sampled; only three were free of PAH contamination. Samples at 26 of the sites exceeded the IDHL limits. Testing was done at beaches between Waveland, Miss. and Cape San Blas, Fla. Continue reading

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