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Neenah Paper,Inc. <br /> First-Quarter 2008 Groundwater-Monitoring Report April 30,2008 <br /> Page 2 of 9 <br /> into compliance with current WQPS within a five year period. TDS levels in the intermediate <br /> • aquifer will improve and reach WQPS levels around the perimeter of the site, however, TDS <br /> levels immediately underlying the site still will exceed WQPS in five years. <br /> Compliance Record <br /> During the past quarter, (1) no changes in NP's paper making process have occurred; (2)NP's <br /> disposal practices for Plant effluent water were unchanged except that the water is no longer <br /> placed in the east percolation field; and (3)NP's effluent TDS concentrations were in <br /> compliance with limits set forth in their WDRs. <br /> hi correspondence dated August 12, 2006, the CVRWQCB adopted WQPS for the aquifers <br /> underlying the NP site. Table 1 presents WQPS for the site. <br /> Table I <br /> Water Quality Protection Standards <br /> COC Semiperched Intermediate <br /> A uifer Upper Aquifer <br /> A uifer <br /> Bicarbonate 307 mg/L 482 mg/L 315 mg/L <br /> Calcium 51 mg/L 209M /L 49 in /L <br /> Chloride 178 in 197 mg/L 68m /L <br /> • SC 1242 mhos/cm 1580 mhos/cm 760 µmhos/cm <br /> Ma esium 26 mg/L 43mg/L 8,8 mgf <br /> b <br /> Nitrate 4.3 mg/L 4.7 mg/L <br /> 5.7 mg/L <br /> H 6.5-8.5 6.5-8.5 6.5-8.5 <br /> Potassium 2.6 mg/L 10 mg/L 68m /L <br /> Sodium 184 mg/L 89 in /l 100 m 2 <br /> Sulfate 111 mg/L 150 mg/L 31 m /L <br /> TDS 713 mg/L 1030 mg/L 470 mg/L <br /> Notes: COC=constituents of concern. SC=Specific conductance. TDS=Total dissolved solids. <br /> First-Quarter 2008 Groundwater Monitoring <br /> Findings <br /> First-quarter 2008 field and laboratory results are presented in Tables 2 and 3. <br /> Mounding within the semiperched aquifer occurred onsite in the vicinity of the upper west/west <br /> orchard field and offsite north of the City of Ripon's MW WTF ponds. The direction of the <br /> groundwater gradient was away from the mounds then generally towards the north at a <br /> • magnitude of 0.002 feet/foot(ft/ft; Figure 3). <br /> 005194.01 Task 8 Lawrence 8 Associates <br /> H'.9Cltentsl FoxRiver-Neenahl QuarterlVMonttonng12008llst quartnllst Q 2008 reportdoc <br />