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Table 4: Volatile Organic Compounds, Analytical Results, Municipal Wells and Piezometers <br /> 2010 Annual Report <br /> Former Nestle USA, Inc. Facility <br /> Ripon, CA <br /> Samplel-ocation Sample Method Sampling Frequency Sample Chloroformcis-1,2- trans-1,2- Trichloroethene Vinyl Chloride Comments/Others <br /> Date Dichloroethene Dichloroethene <br /> USEPA Method 8021 and 524,micrograms per liter(pg/L) <br /> Municipal Wells <br /> MW-3 Purge Q 1/19/10 0.27 1.5 <0.10 0.73 <0.10 <br /> MW-3 Purge Q 4/13/10 0.32 1.3 <0.10 0.65 <0.10 <br /> MW-3 Purge Q(d) 7/29/10 0.24 1.7 <0.10 0.72 <0.10 <br /> MW-3 Purge Q(d) 10/22/10 0.24 1.4 <0.1 0.64 <0.1 <br /> MW-4 - - - - - - Decommissioned 7/2009 <br /> MW-5 Purge (d) 1/19/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> MW-5 Purge 4/13/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> MW-5 Purge Q(d) 7/29/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> MW-5 Purge Q(d) 10/22/10 <1 <0.5 <0.5 <0.5 <0.5 <br /> MW-6 - - - - - - Decommissioned 7/2009 <br /> MW-7 Purge Q 1/19/10 0.3 <0.10 <0.10 <0.10 <0.10 Bromodichloromethane:0.63; <br /> Dibromochloromethane:1.3;Bromofrom:2.5 <br /> MW-7 Purge Q 4/13/10 <0.10 <0.10 <0.10 <0.10 <0.10 Dibromochloromethane:0.17;Bromoform:0.80 <br /> MW-7 Purge Q(d) 7/29/10 <0.10 <0.10 <0.10 <0.10 <0.10 Dibromochloromethane:0.13;Bromoform:0.61 <br /> MW-7 Purge Q(d) 10/22/10 <0.1 <0.1 <0.1 <0.1 <0.1 Dibromochloromethane:0.15;Bromoform:0.66 <br /> MW-8 NR(decommissioned) <br /> MW-9 Purge Q NS Not operational. <br /> MW-9 Purge Q(d) 7/29/10 <0.10 2.1 <0.10 1.2 0.22 1,1-DCE:0.10 <br /> MW-9 Purge Q(d) 10/22/10 <0.1 0.21 <0.1 0.14 <0.1 <br /> MW-9mon Sampling not required. NR <br /> MW-10 Purge Q 1/19/10 <0.10 <0.10 <0.10 <0.10 <0.10 Bromoform:0.61 <br /> MW-10 Purge Q 4/13/10 <0.10 <0.10 <0.10 <0.10 <0.10 <br /> MW-10 Purge Q(d) 7/29/10 <0.10 <0.10 <0.10 <0.10 <0.10 <br /> MW-10 Purge Q(d) 10/22/10 <0.10 <0.10 <0.10 <0.10 <0.10 Bromoform:0.31 <br /> MW-10mon Sampling not required. NR - - - - <br /> MW-11 Purge Q(d) 1/19/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> MW-11 1/19/10 <1.0 <0.50 <0.50 <0.50 <0.50 Duplicate <br /> MW-11 Purge Q(d) 4/13/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> MW-11 Purge Q(d) 7/29/10 <1.0 <0.50 <0.50 <0.50 <0.50 <br /> MW-11 Purge Q(d) 10/22/10 <1 <0.5 <0.5 <0.5 <0.5 <br /> MW-12 NS Q - - - - - - Not Operational <br /> MW-13 Purge Q 1/19/10 <0.10 <0.10 <0.10 <0.10 <0.10 <br /> MW-13 Purge Q 4/13/10 <0.10 <0.10 <0.10 <0.10 <0.10 Sampling frequency A,per 2010 MRP <br /> MW-14 Purge Q(d) 1/19/10 <0.10 <0.10 <0.10 <0.10 <0.10 <br /> MW-14 Purge Q(d) 4/13/10 <0.10 <0.10 <0.10 <0.10 <0.10 Sampling frequency A,per 2010 MRP <br /> MW-15 NS Q(d) - - - - - - Has never been operational due to poor water <br /> quality. <br /> Page 1 of 2 <br />