Abstract:Buried and surface MC252 oil from the intertidal on a coastal headland beach was sampled using a randomized block methodology. Weathering indices contrasting alkylated 3- (phenanthrenes) and 4-ring (chrysene) PAH concentrations were computed based on analyses of these samples. Buried oil was detected at a frequency of 18% and, of those samples, 29% had indices indistinguishable from oil sampled near the wellhead indicating that PAH weathering was not occurring. These samples with persistent PAHs were associate… Show more
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