Petroleum Remediation Program
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49
2005
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loginThis guidance document specifies procedures for collecting ground water samples at leaking petroleum storage tank sites, and applies to temporary and permanent monitoring wells. Unforeseen circumstances during sampling may necessitate modifying these procedures. When MPCA staff approval cannot be obtained in advance, contact the MPCA as soon as possible to evaluate needs for re-sampling. Clearly note all deviations from the specified procedures on the sampling information form used for each well, and document in the monitoring report. Other MPCA programs may have different specific sampling procedures; if sampling a monitoring well for multiple programs, follow the most restrictive procedure.
