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TABLE 3 HISTORICAL GROUNDWATER LEVELS AND CHEMICAL ANALYTICAL RESULTS QUICK-N-SAVE#1 1901 South El Dorado Street Stockton,California 95206 Laboratory Results in micrograms per liter(µg/L) Screen Depth to Groundwater Free Product TPPH/ Ethyl Total Well Well Interval Date Groundwater[1] Elevation[I] Thickness TPHg[2] Benzene[3] Toluene[3] Benzene[3] Xylenes[3] MTBE[3] TBA[3] ETBE[3] TAME[3] DIPE[3] 1,2-DCA[3] EDB[3] Designation Elevation (ft-bgs) Sampled[1] (ft-btoc) (ft-msl) (feet) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) MW-15 11.50 75-80 7/21/2015 22.74 -11.24 0.00 6,800 3,500 95 540 150 ND<l 65 ND11 ND<l ND<l 67 ND<0.5 11/30/2015 25.70 -14.20 0.00 12,500 4,320 170 709 182 ND<50 ND<500 ND<50 ND<50 ND<50 63.5 ND<50 3/25/2016 23.58 -12.08 0.00 13,500 3,340 116 646 150 ND<50 ND<500 ND<50 ND<50 ND<50 ND<25 ND<50 6/9/2017 17.48 -5.98 0.00 12,000 2,700 120 580 160 ND<50 ND<200 ND<50 ND<50 ND<50 ND<50 ND<50 12/18/2017 20.48 -8.98 0.00 11,200 4,100 104 1,030 164 ND<75 ND<1,250 ND<125 ND<125 ND<125 ND<25 -- 5/16/2018 18.77 -7.27 0.00 18,500 2,000 78.1 671 128 ND<30 ND<500 ND<50 ND<50 ND<50 ND<10 ND<10 10/16/2018 20.99 -9.49 0.00 15,900 2,260 69.8 623 95.7 ND<75 ND<1,250 ND<125 ND<125 ND<125 ND<25 ND<25 7/28/2021 19.67 -8.17 0.00 3,300 1,200 92 350 130 ND<0.5 130 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 2/24/2022 18.69 -7.19 0.00 580 990 34 61 27 ND<5.0 ND<100 ND<5.0 ND<5.0 ND<5.0 ND<5.0 ND<5.0 9/14/2022 20.87 -9.37 0.00 4,200 1,600 47 230 56 ND<25 ND<250 ND<25 ND<25 ND<25 ND<1.0 ND<2.0 2/10/2023 14.98 -3.48 0.00 5,700 3,250 92.3 493 103.2 ND<2.5 217 ND<2.5 ND<2.5 2.5 ND<0.5 ND<0.5 14.07 9/29/2023 15.09 -1.02 0.00 15,000 4,900 110 600 89 ND<1.0 230 ND<2.0 ND<2.0 5.8 ND<1.0 ND<1.0 3/19/2024 13.05 1.02 0.00 13,000 3,400 90 730 88 ND<10 210 ND<20 ND<20 ND<20 ND<5.0 ND<10 7/23/2024 14.01 0.06 0.00 10,000 3,400 72 430 46.6 ND<10 190 ND<20 ND<20 ND<20 ND<5.0 ND<10 MW-16 14.53 95-105 9/28/2023 15.53 -1.00 0.00 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<2.0 ND<1.0 ND<10 ND<2.0 ND<2.0 ND<2.0 ND<1.0 ND<1.0 3/19/2024 13.60 0.93 0.00 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<2.0 ND<1.0 ND<10 ND<2.0 ND<2.0 ND<2.0 ND<0.50 ND<1.0 7/24/2024 14.40 0.13 0.00 ND<50 0.60 ND<0.50 ND<0.50 ND<2.0 ND<1.0 ND<10 ND<2.0 ND<2.0 ND<2.0 ND<0.50 ND<1.0 MW-17 13.82 66-77 9/28/2023 14.73 -0.91 0.00 2,400 700 37 84 21.4 ND<2.0 23 ND<4.0 ND<4.0 ND<4.0 ND<2.0 ND<2.0 3/19/2024 12.81 1.01 0.00 2,000 270 21 1.8 8.5 ND<1.0 19 ND<2.0 ND<2.0 2.7 ND<0.50 ND<1.0 7/24/2024 13.70 0.12 0.00 2,200 370 26 2.6 11.0 ND<2.0 ND<20 ND14.0 ND<4.0 ND<4.0 ND<1.0 ND<2.0 Notes: [l] Date sampled does not necessarily reflect date well was monitored.Depth measured from the top of well casing. [2] Analyzed for total petroleum hydrocarbon as gasoline(TPHg)by EPA Method No.8015M or for total purgeable petroleum hydrocarbon(TPPH)by EPA Method No.8260B. [3] Benzene,toluene,ethylbenzene,total xylenes,and fuel oxygenates malzyed by EPA Method No.602M on 8/21/97 to 12/2/1999;by EPA Method No.8021 on 12/19/00 to 4/10/03;by EPA Method No.8260B on 3/11/04 and thereafter. feet-msl Feet above mean sea level. feet-bes Feet below ground surface ft-btoc Feet below the top of the well casing ND<X Not detected at or above the laboratory indicated concentration -- Not applicable/not sampled µg/h micrograms per liter TPH-g: Total petroleum hydrocarbons quantified as gasoline MTBE: Methyl tertiary Butyl Ether TBA: t-Butyl Alcohol 1,2-DCA: 1,2-Dichloroethane EDB: 1,2-Dibromoethane ETBE: Ethyl-t-butyl ether DIPE: Di-isopropyl Ether TAME: tertiary-Amyl Methyl Ether l Pre-DPE Pilot Test Sampling Event 2 Post-DPE Pilot Test Sampling Event FREY Environmental,Inc. Table 3-Page 12 of 12 1095-01