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Modeling Subsurface Petroleum Hydrocarbon Transport

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Well cover, with no fill warning. Well cover, with no fill warning.
Preparing to sample fuel from a well by lowering a bailer.

Photo from U.S. EPA Office of Underground Storage Tanks photo collection. 		Preparing to sample fuel from a well by lowering a bailer.
Bailer showing fuel(yellow liquid) floating on the sampled water (clear).

Photo from U.S. EPA Office of Underground Storage Tanks		 Bailer showing fuel(yellow liquid) floating on the sampled water (clear).



Peristaltic pump in use for shallow ground water sampling. Peristaltic pump in use for shallow ground water sampling.
Sampling set up showing meters for dissolved oxygen, pH, redox, and electrical conductivity, bottle capper and other supplies. Sampling set up showing meters for dissolved oxygen, pH, redox, and electrical conductivity, bottle capper and other supplies.
Sampling from a multilevel well Sampling from a multilevel well.
Water pumped through flow-through cell (bucket); probes for dissolved oxygen, electrical conductivity and Redox; colorimetric field tests for Iron and Sulfate. Water pumped through flow-through cell (bucket); probes for dissolved oxygen, electrical conductivity and Redox; colorimetric field tests for Iron and Sulfate.
Closeup of CHEMetsTM field test kits for Iron and Sulfate. Closeup of CHEMets<SUP>TM</SUP> field test kits for Iron and Sulfate.
Filled sample bottles for volatile organic analysis (VOA) on left and dissolved gases (methane). Filled sample bottles for volatile organic analysis (VOA) on left and dissolved gases (methane).
Organic-rich water pumped from a shoreline well. Organic-rich water pumped from a shoreline well.


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