Chlorinated pesticides and polychlorinated biphenyls (PCB) circulating over the North Atlantic were measured during 1977-78 at Barbados and during the 1977 summer at the southern tip of Newfoundland. Total organochlorines were collected using a glass fiber filter backed up by a polyurethane foam trap, and were analyzed by electron capture gas chromatography on packed and glass capillary columns....
Bidleman, Terry F., Eric J. Christensen, W. N. Billings, and Ross Leonard. 1981. "Atmospheric transport of organochlorines in the North Atlantic gyre." Journal of Marine Research 39, (3). https://elischolar.library.yale.edu/journal_of_marine_research/1554