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CH13-4MALAB, INC. <br /> Environmental Services(SDB) <br />+ March 23 , 1998 Submission #: 9803170 <br /> F. CONSTRUCTION TESTING & ENG. <br /> Atten: Steve Teel <br /> FjProject: CINTRA PARK Pr ject#: 20-0445B <br /> Received: March 13 , 1998 <br /> re: Surrogate report for 9 samples for- Gasoline BTEX analysis . <br /> k Method: SW846 8020A Nov 1990 / 8015Mod <br /> Lab Run#: 11762 <br /> Matrix: SOIL <br /> Recovery <br /> SgMle# Client Sam le ID Surrogate Recovered Limits <br /> 175088-2 SB-1, 10 . 5-11 . 0 TRIF UOROTOLUENE 72 . 9 65-135 <br /> 175088-2 SB-1, 10 . 5-11 . 0 4-BR MOFLUOROBENZENE 69 . 9 65-135 <br /> 175089-2 SB-1, 15 . 5-16 . 0 TRIF UOROTOLUENE 68 . 4 65-135 <br /> 175089-2 SB-1, 15 . 5-16 . 0 4-BR MOFLUOROBENZENE 69 . 6 65-135 <br /> 1, _ 175090-2 SB-1, 20 . 5-21 . 0 TRIF UOROTOLUENE 64 . 6 65-135 <br /> 175090-2 SB-1, 20 . 5-21 . 0 4-BR MOFLUOROBENZENE 62 . 1 65-135 <br /> 175091-2 PMW1, 12 . 5-13 . 0 TRIF UOROTOLUENE 66 . 8 65-135 <br /> 175091-2 PMW1, 12 . 5-13 . 0 4-BR MOFLUOROBENZENE 64 . 7 65-135 <br /> 175095-2 PMW1, 23-23 . 5 TRIF UOROTOLUENE 69 . 1 65-135 <br /> 175095-2 PMW1, 23-23 . 5 4-BR MOFLUOROBENZENE 75 . 2 65-135 <br /> 1.75096-2 SB-3 , 10 . 5-11 . 0 TRIF UOROTOLUENE 66 . 8 65--135 <br /> - 175096-2 SB-3 , 10 . 5-11. 0 4-BR MOFLUOROBENZENE 69 . 4 65-135 <br /> 175098-1 SB-3 , 16 . 0-16 .5 TRIF UOROTOLUENE 73 . 0 65-135 <br /> 175098-1 SB-3 , 16 . 0-16 .5 4-BR MOFLUOROBENZENE 71 . 5 65-135 <br /> �., 175100-1 PMW3 , 10 . 5-11 . 0 TRIF UOROTOLUENE 0 . 274 65-135 <br /> 175100-1 PMW3 , 10 . 5-11 . 0 4-BR MOFLUOROBENZENE -- 65-135 <br /> 175100-2 PMW3 , 10 . 5-11 . 0 TRIF UOROTOLUENE 71 . 3 65-135 <br /> 1751.00-2 PMW3 , 10 . 5-11. 0 4-BR MOFLUOROBENZENE 74 . 1 65-135 <br /> ` 175101--1 PMW3 , 14 . 5-15 . 0 TRIF UOROTOLUENE 87 . 5 65-135 <br /> 175101-1 PMW3 , 14 . 5-15 . 0 4-BR MOFLUOROBENZENE 90 . 2 65-135 <br /> % Recovery <br /> SgMle# OC Sample Type Surro ate Recovered Limits <br /> 176677-1 Reagent blank (MDB) TRIF UOROTOLUENE 90 . 0 65-135 <br /> 176677-1 Reagent blank (MDB) 4-BROMOFLUOROBENZENE 95 .4 65-135 <br /> 176678-1 Spiked blank (BSP) TRIF UOROTOLUENE 82 . 2 65-135 <br /> 176678-1 Spiked blank (BSP) 4-BROMOFLUOROBENZENE 98 . 2 65-135 <br /> 176679-1 Spiked blank duplicate (BSD)TRIFLUOROTOLUENE 82 . 8 65-135 <br /> F176679-1 - Spiked blank duplicate (BSD)4-B OMOFLUOROBENZENE 88 . 9 65-135 <br /> 176680--1 Matrix spike (MS) TRI LUOROTOLUENE 77 . 0 65-135 <br /> 176680-1 Matrix spike (MS) 4-B OMOFLUOROBENZENE 88 . 3 65-135 <br /> V132 <br /> QCSURR1229 VINCE 23-Mar-98 14:5 <br /> F <br /> 1220 Quarry Lane• Pleasanton, Cal fornia 94566-4756 <br /> (510) 484-1919• Facsimile (5'0) 484-1096 <br /> Federal ID#68-0140 57 <br />