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replacement for the South Tracy#I well. Further, since 2006,the Granite#3 well replaces the Brown's# <br /> _ I well for water quality monitoring purposes,as the Brown's#1 well was vandalized in 2005. Lastly, <br /> from 1994 to 1997, the Koster irrigation well was sampled periodically (depending on the availability of a <br /> tractor engine for the pump). <br /> Samples from the water quality network wells are analyzed for electrical conductivity (EC), total <br /> dissolved solids(TDS), pH, general minerals(calcium,magnesium, sodium,potassium,sulfate,chloride, <br /> total alkalinity [including hydroxide, carbonate,and bicarbonate alkalinity], and total hardness),nitrate, <br /> nitrite, fluoride, boron, and metals [copper, iron, manganese, and zinc]). Samples from the Hall and <br /> Faulkner domestic wells are also analyzed for coliform bacteria(SM 9221 B [15-tube] procedure with <br /> fecal confirmation). Phosphorus sampling was discontinued in 1998. <br /> Teichert's ongoing monitoring and reporting activities are inclusive of(and exceed) activities specified in <br /> Granite's approved Groundwater Monitoring Plan (LSCE,2009). Specifically,Granite's approved <br /> Groundwater Monitoring Plan stipulates: <br /> 1. Semi-annual groundwater level measurements in five shallow wells(Hall, Rustan,Thoming, <br /> Koster,4S/6E-5A 1), one composite we]l(Petz), and four deep wells(South Tracy #3,Granite# <br /> 4, Brown's #1, Brown's New). <br /> 2. Semi-annual groundwater quality retrieval from one shallow well (Hall)and three deep wells <br /> (South Tracy#3, Granite#3, and Brown's New). Groundwater quality laboratory analyses shall <br /> consist of the same constituents listed above for Teichert's compliance monitoring activities <br /> minus nitrite, fluoride,total hardness, and bacteriological analyses. <br /> ©LIhE]O 4 SCALMANINI <br /> CONSOLTMG ENGINEERS 3 <br />