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WS <br />c. Conductivity 'lab �, Field) <br />d. Temperature (Field) <br />e. Iron <br />f. Oil and Grease <br />g. Total Suspended Solids <br />Ouarterly Samolinv For: <br />a. Total Dissolvea Solids <br />Colowyo inspects sediment ponds quarterly and surveys <br />sediment volume annually. Results from inspections and surveys <br />will be in the annual report. <br />2. Surface Water - Colowyo will conduct the following monitoring and <br />sairaling program on Goodspring and Taylor Creeks. As stated in <br />the September 28, 1982 "Proposed Decision and Findings of <br />Compliance For the Colowyo Coal Corraany Colowyo gine"; monthly <br />monitoring will not be conducted during the winter months when <br />streams are iced over. Two sampling locations are on Goodspring <br />Creek, one upstream from Streeter Fill and one downstream from <br />Streeter Fill. One samalina location is on Taylor Creek <br />immediately above its confluence into Wilson Creek. The sample <br />sites are locat_d on Water Monitoring Sites For Permit No. 0-019- <br />81 (Map 37). <br />Monthly Samolina For: <br />a. <br />PH <br />b. <br />Conductivity <br />C. <br />Temperature <br />d. <br />Total Suspended Solids <br />e. <br />Flow <br />Quarterly Samolina For: <br />a. <br />Flow <br />b. <br />PH <br />C. <br />Conductivity <br />d. <br />TotaT Dissolved Solids <br />e. <br />Tot -al Suspended Solids <br />f. <br />Bicarbcnate tHCO3) <br />4 <br />g. <br />Calcium (Ca*) <br />h, <br />Magnesium (Mg") <br />i. <br />Anncn i a (NH-) <br />j. <br />Nitrate -Nitrite <br />k. <br />Phosphate (PO4-3as P) <br />1. <br />Sodium (Na+) <br />M. <br />Sulfate (SO4) <br />n. <br />Arsenic (As) <br />o. <br />Iron - total <br />p. <br />dead (Pb) <br />q. <br />Manganese (Mn) <br />r. <br />Mercury (Ho) <br />S. <br />Selenium (Ee) <br />t. <br />Zinc (Zn) <br />Rule 4 Performance Standards 4-17 Revision Date: 1/31/18 <br />Revision No.: TR -119 <br />