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III'II'IIIII" I Doc Date:12/11/2001 <br />Ikrembrr 1992 71ie Rockcastk Company * Grauy Gap Mine * 1992 Annra! H3drokgy Report • 2 <br />2.0 WATER MONITORING <br />According to the various permits in place for the Grassy Gap Mine, surface and groundwater <br />monitoring must be conduced according to the schedule and parameters described in Table 1, <br />Monitoring Schedule. The location of the monitoring points are presented on Map 1. <br /> ,TABLE 1 <br /> MONITORIlVG SGFtEDLTLE <br />SIZE FIELD LABORATORY LABORATORY <br /> MFASiJREMENTS A1~lALYSES. €$CFTEDIII:E <br />SWa;3,4 Quarterly Full suite & TSS June & October <br />MW3 . Quarterly Full suice October <br />SPW-2,5 Quarterly Full suice June <br />SEEP & Annually Iron June <br />SPRING (Pit 5 only) <br />I~;PI~ES-(001, - pH & SS (Monthly) Monthly <br />002, 003, 005) TDS (Quarterly) <br />SW -Surface water location <br />MW - Moni[or well <br />SPW ='Spoil well <br />SS -Settleable Solids <br />TDS -' Tonal Dissolved Solids <br />TSS - 7otxl Suspended Solids <br />The measurements taken in the field include flow rate (or water depth), temperature;-pH, and <br />conductivity. The laboratory analyses aze described as a "full suite" in the mining permit. The <br />°full suiie' of analyses nclydes the following: - - <br />~ Bicarbonate as CaC03 <br />• Sulfates <br />• Sodium <br />• Calcium <br />• Magnesium <br />•, Sodium.Adsorption Rate (SAR) in water <br />• Iror (total recoverable) <br />• I~'iti;ate and;Nitrite <br />• Ammohia' ` <br />• Lead <br />.. •i: <br />• Mercury <br />• Total Dissolved Solids ('TDS) <br />TSS is analyzed in addition to the above list for all surface water samples, that is, on all samples <br />except for MW-3. , <br />itratvr ACZ Inc. * P.O. Box 774018 * Steamboat Spnng; _Cofarado 80477 * (303f 879-6260 <br />:p„ <br />:. nr ~ G~i,~ ~~ ~i'+ <br />