Section 507.07. Groundwater monitoring well development.

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All groundwater monitoring wells shall be properly developed following installation in accordance with s. NR 141.21 and this section. To determine the effectiveness of the development, a sample shall be taken from the well within 24 hours of completion of development and analyzed for total suspended solids. Additional purging is not required prior to taking the sample. If drilling fluids were used during well construction, the sample shall also be tested for COD.

Cr. Register, June, 1996, No. 486 , eff. 7-1-96.

                    
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