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Table 1 <br /> Recommended Sampling Frequency and Analyte Reductions <br /> Flag City New West N 1003 <br /> 6437 West Banner Street <br /> .Lodi,California <br /> Monitoring Current <br /> Recommended Reason for <br /> SamplingRecommendation <br /> Well Samplingin Sam lin Reduction <br /> Schedule Schedule <br /> it t e exception o trace etecnons o <br /> benzene(0.93 ug/L),toluene(0.77 ug/L), <br /> and total xylenes(051 ug/L)reported in <br /> MNr_1 Quarterly .Annual(2Q) 2005,all COCl have been below <br /> laboratory reporting limits since the well <br /> was installed.This well is also up- <br /> With the exception of MTBE,all COCl <br /> have been below laboratory reporting <br /> limits since installation in 3Q05. MTBE <br /> has remained stable,with concentrations <br /> MW-2 Quarterly Semi-annual(2Q and 4Q) ranging from I.0 ug/L(2Q07)to 2.2 ug/L <br /> (4Q07)over the last hydrologic cycle. <br /> MTBE has never been detected above <br /> either primary or secondary MCL in this <br /> well. This well is also u - radient. <br /> it t e exception o race elections o <br /> benzene(0.52 ug/L),toluene(0.76 ug/L), <br /> and total xylenes(1.0 ug/L)reported in <br /> uarterl Semi-annual(2Q and 4Q) 2005 in MW-5B,all COCl have been <br /> MW-SA and MW-SB Q y below laboratory reporting limits since the <br /> wells were installed.These wells are also <br /> MW-2,MW-3B,MW-3C, <br /> MW-4A,MW-4B,MW- Quarterly(TPHg,BTEX, Annually 2Q(TPHg and BTEX) TPHg and BTEX have consistently been <br /> 4C,MW-5A,MW-5B, MTBE,Ethanol,Methanol, Quarterly(MTBE,Ethanol, below laboratory reporting limits for these <br /> MW-613,MW-6C,MW- TBA,TAME,DIPE and Methanol,TBA,TAME,DIPE wells. <br /> 7A,MW-7B,MW-8A. ETBE) and ETRE) <br /> MW-8B,MW-9B,MW- <br /> 9C,and MW-913 <br /> Notes: <br /> TPHg =Total Petroleum Hydrocarbons as gasoline analyzed by EPA Method 82608 <br /> BTEX =Benzene,toluene,ethyl-benzene,and total xylenes,EPA Method 82608 <br /> MTBE =Methyl tert-butyl ether by EPA Method 82608 <br /> TBA =Tertiary Bury)Alcohol <br /> TAME =Tertiary Amyl Methyl Ether <br /> DIPE =Di-isopropyl Ether <br /> ETBE =Ethyl Tertiary Butyl ether <br /> ND< =Not detected at or above specified laboratory reporting limit <br /> ug/L =micrograms per liter <br /> MCL =Maximum Contaminant Level <br /> Page 1 of I Closure Solutions.Inc. <br /> Ludi SR.xls <br />