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i • � <br /> TABLE 2 <br /> ANALYTICAL RESULTS GROUNDWATER <br /> 1399 EAST YOSEMFTE MANTECA,CALIFORNIA <br /> (All resuflsin pans-per4(llron) <br /> + Total Cohiorm <br /> Ethyl- TPH as Ethylene 1 2-dlchloro and Fecal <br /> Well No Date Benzene Toluene benzene Xylenes Gasoline drbromlde ethane (MPN/100ml) <br /> MW-1 08/24/88+ < < < 30 800 < 12 – <br /> 04/28/89+ < < < < < < < <br /> MW-1A 07/06190+ 720 200 14 0 3800 4 500 0 < < <br /> 02/01/91 << << << << << < 04 <br /> 02/27/91 32 0 29 0 140 71 0 6100 < < <br /> 04/23/91 380 270 130 740 8300 < < — <br /> MW-18* 07/22/91 3700 1600 < 11,0000 28,0000 0 6 9 0 <br /> 10/21/91 390 120 78 890 10 000 -- <br /> 01/17/92 310 99 260 1,000 12 000 - — <br /> 04/09/92 Sheen Sheen Sheen Sheen Sheen Sheen Sheen Sheen <br /> 07/27/92 Sheen Sheen Sheen Sheen Sheen Sheen Sheen Sheen <br /> MW-2 04/28/$9+ 8 4 < 40 4 0 200 < 03 --- <br /> 06/28/90+ < < < < < < 0 3 --- <br /> 02/01/91 < < < < < < c -- <br /> 04/23/91 < < < < < < < -- <br /> 07/22/91 5 8 36 < 1300 3200 < <10/21/91 < < < < < --- -- -- <br /> 01/17/92 < < < < < -- – — <br /> 04/09/92 < < < < < — - -- <br /> 07/27/92 < < < < -- <br /> NOTES - Results from previous consultant s reports <br /> ' NSW 1 B Constructed in June 1991 by over coring MW 1 A <br /> < = Below Practical Ouantnauon Reporting f units per Tri Regional Board Staff Recommendation for Preliminary Lvaluation and Investigation at Underground Tank <br /> Sites (August 10 1990) (POL for BTEX=0 5 ppb TPH as gasoline=50 0 ppb) <br /> « = Below indicated detection Ilmis <br /> TPH = Total petroleum hydrocarbons <br /> Not sampled/nol analyzed <br /> A,ni k nurnnr i,nv 11 un <br /> 9t109tl S - mt,u > >q <br /> I <br />