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1 TABLE 1 <br />GROUND WATER MONITORING REQUIREMENTS DURING <br />I TEMPORARY CESSATION -NEW HORIZON 1 (NUC111) MINE <br /> MONITORING FREQUENCY <br />SITE FORMATION WATER LEVEL WATER QUALITY <br />GW-N1 Underburden Semiannual - <br />GW-N1P1 Underburden Semiannual - <br />GW-N3 Underburden Semiannual Annual <br />GW-N4 Dakota Coal Semiannual - <br />GW-N4R Dakota Coal Semiannual Annual <br />GW-N6 Underburden Semiannual - <br />GW-NS Overburden & Coat Semiannual - <br />GW-N9 Overburden & Coal Semiannual Annual <br />GW-N10 Spoil Semiannual Annual <br />GW-N11 Underburden Semiannual - <br />GW-N24 Overburden, Coal, <br />Underburden Semiannual - <br />GW-N25 Overburden, Coal, <br />Underburden Semiannual - <br />GW-N26 Spoil Semiannual - <br />GW-N27 Spoil Semiannual Annual <br />GW-N28 Spoil Semiannual - <br />Spoil Spring 1 Semiannual Semiannual <br />Spoil Spring 2 Semiannual Semiannual <br />1. Groundwater levels measured in April and September. <br />2. Groundwater quality analyzed in September. <br />3. Spoil spring discharge measurements and quality analyses in April and September. <br />3 <br />