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1 <br /> RM Associates <br /> TABLE 5 - Log of Analytical Results for Samples from Groundwater Treatment System <br /> 1518 Main Street,Manteca California <br /> Avg Daily <br /> Ethyl- Water <br /> Sampling Date TPNg Benzene Toluene Xylenes MTBE Lead Lead Lead Product;on <br /> ' (gms/day <br /> Event Sampled u u (UQ/1) (Uall) u u (ug/1) Ibs/day) alld <br /> Influent 02/10/98 22,000 850 1,600 350 2 600 ND<5 0 ND<5 0 --- — <br /> Effluent 02110/98 ND<50 ND<O 5 1 ND<O 5 ND<O 5 ND<O 5 ND<5 0 ND<5 0 --- - 16,460 <br /> i <br /> Influent 02118198 22,000 1,100 2200 340 2,700 ND<50 ND<50 <br /> Effluent 02/18198 ND< 0 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 ND<5 0 - 16 460 <br /> I <br /> Influent 02125!98 7500 370 430 120 1160 ND<5 0 ND<5 0 — <br /> Effluent 02/25/98 ND<50 ND<O 5 1 ND<O 5 ND<O 5 ND<O 5 ND<5 0 ND<5 0 16,460 <br /> Influent 03108198 8 400 590 1 100 150 2,400 ND<5 0 ND<5 0 --- -- <br /> ' Interm 03/08/98 ND<50 18 ND<O 5 ND<O 5 086 ND<5 0 NA <br /> Effluent 03/08/98 ND<50 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<5 0 56 3 53 00078 16 638 <br /> Influent 04/14/98 28000— 1,200 2,100 630 5,500 ND<5 0 NS <br /> Intenm 04/14198 700 120 14 ND<O5 41 ND<50 NS <br /> Effluent 04114/98 ND<50 ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<5 0 NS NA NA 14,400 <br /> Influent 05110/98 1900 91 110 38 490 NA NSMA <br /> Interim 05110/98 480 190 14 ND<D 5 52 NA NS1NA <br /> Effluent 05110/98 ND<50 1 1 ND<O 5 ND<O 5 ND<O 5 1 NA NS1NA 16 430 <br /> Influent 06/06/98 19,000"" 630 950 350 5100 ND<5 0 NS/NA <br /> Effluent 06/06/98 ND< 0 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND-r5 0 ND<5 1 16,420 <br /> Influent 09/27/98 8,600 210 280 200 2,200 ND<5 0 NSfNA <br /> Effluent 09/27/98 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 NS1NA — <br /> Influent 12/20/98 8200 220 140 140 1900 NA <br /> ' <br /> Interim 12/20/98 2300 110 21 19 400 NA — <br /> Effluent 12/20/98 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 NA ND<15 <br /> Influent 03125/99 4,200 210 93 120 1800 1 MD<5 0 <br /> ' <br /> Interim 03/25/99 9,600 160 88 49 1100 1 6 3 — — <br /> Effluent 03125/99 57 42__ ND<O 5 ND<O 5 5 ND<5 0 1 ND<15 <br /> Upon recei t of results system shut dawn until carbon chan Bout on <br /> Influent" 05/23/99 6,900 110 51 62 1000 ND<5 0 <br /> ' Effluent 05/23/99 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 NSMA — -- <br /> Influent" 10/14/99 2100 21 56 ND<O 5 280 ND<5 0 <br /> Effluent 10/14/99 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 ND<15 — — <br /> ' TPI-Ig = <br /> MTBE = Tertiary Butyl Ether <br /> ' ug1L = r(approximate parts-per-billion) <br /> Influent =Pre-Carbon#1 <br /> Interim =Post Carbon#1,Pre Carbon#2 <br /> Effluent =Post-Carbon#2,Discharge <br /> ' 4 Detected at the reporting Ism it of(reporting limit) <br /> Not Sampled NA = Not Apphcaple <br /> Influent sample collected from extraction well E-1 influent only <br /> 1 <br />