ARCHIVED REPORTS XR0008160 - Laserfiche WebLink

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i TABLE 1 TANK EXCAVATION, PRODUCT TRENCHES, AND SOIL BORING SOIL SAMPLES • FORMER REGAL STATION 601, 1448 N EL DORADO STREET, STOCKTON, CALIFORNIA EPA METHODS 8015 MODIFIED AND 8020 WITH 5030 EXTRACTION DOHS DOHS ! LOCATION SAMPLE DATE DEPTH TOTAL PETROLEUM HYDROCARBONS BTEX AB 1803 ID# SAMPLED SAMPLED GASOLINE KEROSINE DIESEL OILS BENZENE TOLUENE ETHY XYLENES EDB TEL IN FEET RANGE RANGE RANGE RANGE BENZENE BELOW SURFACE IN PPM IN PPM IN PPM IN PPM IN PPM IN PPM IN PPM IN PPM IN PPM IN PPM TANK TPI A 09/29/89 15 100 TOTAL 36 30 2 1 77 <3 0 <5 0 EXCAVATION TP1 B 17 1300 TOTAL 540 510 42 890 <3 0 <5 0 TP2 A 17 100 TOTAL 30 24 18 58 <3 0 <5 0 TP2 B 18 1500 TOTAL 610 580 44 1000 <3 0 <5 0 TP3 A 18 55 TOTAL 21 17 1 1 39 <3 0 <5 0 TP3 B 17 4500 TOTAL 2300 2000 180 3400 <3 0 <5 0 TP4 A 17 2600 TOTAL 1150 1000 89 1800 <3 0 <5 0 TP4 B 16 100 TOTAL 41 37 2 4 78 <3 0 <5 0 TP5 A 15 5 <10 TOTAL <0 005 <0 01 <0 01 <0 02 <3 0 <5 0 TP5 B 16 1200 TOTr,L 580 550 48 990 <3 0 <5 0 OVEREXCAVATED TO 25 26 FOOT DEPTH AND RESAMPLED LEAD OVER EX 1 06/26/90 25 QO <10 <10 <10 <0 005 <0 005 <0 005 <0 015 <10 1 EACAVATION EX 2 25 <10 <10 <10 <10 <0 005 0 05 <0 005 0 14 <10 <1 0 OF TANK EX 3 25 <10 <10 <10 <10 <0 005 <0 005 <0 005 <0 015 <10 1 AREA EX 4 25 <10 <10 <10 <10 <0 005 <0 005 <0 005 <0 015 <10 I EX 5 26 <10 <10 <10 <10 <0 005 0 01 0 085 0 085 <10 1 . Ex A 26 <10 <10 <10 <10 <0 005 <0 005 <0 005 0 05 NR NR EX B 26 <10 <10 <10 <10 <0 005 <0 075 <0 005 0 22 NR NR BACKFILLED EXCAVATION WITH 1/4" PEA GRAVEL TG THE 12 FOOT DEPTH AND IISTALLED VAPOR EXTRACTION WELL 4APOR EXTRAG EX 30 10/09/90 30 2 <1 <1 <1 <0 005 <0 005 <0 005 <G 015 NR NR WELL WITHIN EX 37 37 2 <1 <1 <1 <0 005 <0 005 <0 005 <0 015 NR NR 5' OF EX 5 PRODUCT LINE PL 1 10/05/89 4 2500 AS GASOLINE 900 750 b0 1300 NR NR j TRENCHES PL 2 3 5 1000 AS GASOLINE 350 260 21 750 NR NR E PL 3 3 5 <10 AS GASOLINE <0 005 <0 01 <0 01 <0 02 NR NR PL 4 4 1700 AS GASOLINE 650 530 44 1100 NR NR PL 5 5 QO AS GASOLINE <0 005 <0 01 <0 01 <0 02 NR NR O'V'EREXCAVATE PL1(EXCIA) 08/22/90 13 <10 <10 <10 <10 <0 005 <0 005 <0 005 <0 015 NR NR PU19 ISLANDS PL1(EXCIB) 13 1560 <10 <10 <10 1 31 13 110 NR NR PL2(EXC2A) 13 <10 10 <10 <10 <0 005 <0 005 <0 005 <0 015 NR NR PL2(EXC2B) 13 <10 <10 <10 X10 <0 005 0 01 0 04 <G 015 NR NR ! PL1(EX1 PB)09/06/90 20 660 <10 <10 <10 <0 005 0 78 0 57 5 9 NR NR PL4(EX3 PA) 20 BODO <10 75 <10 15 120 60 260 NR NR BACKFILLED F QVATIO1S WITH 1/4" PEA AND INSTALLED VAPOR RECOVERY WELLS PI AND P3 j VAPOR P1 30 10/08/90 30 2 <1 <1 <1 0 62 0 26 <0 005 0 02 NR NR EXTRACTION P1 40 40 2 <1 <1 <1 0 57 0 13 <0 005 <0 015 NR NR DESTROY VAPOR EXTRACTIO' WELL P1 04 7/21/92 BY OVERDRILLING, PRESSURE GROUTED WIIH 350 CALLGNS NEAT CEMENT i P1 43 07/21792 43 <1 NR AR NR <3 005 <0 005 <0 005 <0 015 NR NR P3 25 10/08/90 25 12 <1 0 31 0 41 0 03 0 25 NR NR P3 30 30 2 <1 <1 <1 <0 005 0 006 1 5 0 03 NR NR 9