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Bulk Humin - CLU-IN

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[PAH] relative to OM changes Plant Carbon<br />

Non- Phragmites<br />

Vegetated Mixed Grass<br />

<strong>Bulk</strong> Sediment<br />

%TOC 21 + 1.9 27 + 0.4<br />

14C PMCa 2.0 + 0.1 24 + 0.16<br />

TPAH (μg/g soil) 161 + 11.8 69 + 2.9<br />

<strong>Bulk</strong> <strong>Humin</strong><br />

%TOC 7.5 + 0.2 13 + 0.1<br />

14C PMC 6.1 + 0.1 44 + 0.3<br />

TPAH (μg/g soil) 14 + 1.9 11 + 1.2<br />

HF/HCl <strong>Humin</strong><br />

%TOC 10 + 1.8 28 + 1.0<br />

14C PMC 2.1 + 0.1 33 + 0.2<br />

TPAH (μg/g soil) 6.0 + 1.0 2.8 + 0.3<br />

a Analyses by NOAA/WHOI AMS facility<br />

estuary<br />

PAH<br />

8-10 ft<br />

Asphalt-like waste<br />

18% TPH

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