Abstract
The techniques of thermal distillation and pyrolysis coupled with gas chromatography (GC) and GC-mass spectrometry (GC-MS) provide a ''fingerprint'' of the organic matrix of particulates collected from Boston Harbor. C/sub 6/-C/sub 22/ pyrolysis products of particles caught in sediment traps closely resemble those of bottom sediments and are similar to those of some species of phytoplankton. GC-MS analyses indicate that these organic matrices are all lipid rich, though the lipid in the seston appears to be distinct from that in both sediment-trap and phytoplankton samples. None of these samples resemble the sewage sludge dumped into the area, suggesting rapid reworking or remineralization of the sludge material.
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