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r.• <br />i' i <br />_L~ <br />4. We agree that the groundwater wells in the vicinity of the <br />minesite should be purged prior to sampling. Apparently, this <br />has not been done in the past, which accounts for the higher than <br />expected pH and TDS values. We will follow the approved plan <br />for the monitoring of these wells. Upon receipt of the analyses, <br />the Division will be advised of any modifications to be made to <br />the groundwater monitoring plan. <br />5. We agree that the groundwater analyses should include the <br />appropriate pH dependent analysis for bicarbonate or carbonate <br />and the labratory should give close attention to the cation/anion <br />balance of the lab results. <br />Should you have any additional comments or questions, please <br />contact me at your convenience. <br />Sincerely, <br />Cit~U-~- G X-- ~-~ <br />. A. Kiger <br />Senior Reclamation Specialist <br />JAK/kh <br />cc: R. G. Atkinson <br />Central Files <br />