Valero's former solid waste unit was an in-ground unit; since closed, continued monitoring for ground water contamination is performed semiannually.
February
2016 monitoring detected indicator parameters of concern; with results believed
to be anomalous due to error in laboratory analysis; therefore, verification re-sampling
conducted.
LDEQ EDMS 101279379
Results showed detections of phenol at 0.0076 milligrams per
liter and total petroleum hydrocarbon (TPH) aromatics > C16-C21 at 0.161
mg/l. The practical quantitation limits
for phenol and TPH aromatics >C16-C21 are 0.001 mg/l and 0.15 mg/l,
respectively.
In another area of the Valero Energy Meraux, Louisiana plant, recurring
seepage of oil into an ATT service box has prompted investigation to identify the
source and potential areas of concern for ground water contamination. Valero Energy seeks appropriate permits and
letters of no objection for soil boring --
20 (twenty) 10-foot deep soil borings to be drilled near the Mississippi
River Levee.
LDEQ EDMS 1014407 and 10088035
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