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r i <br /> CHROMALAB, INC. <br /> EnvinximentW Services(SDB) <br /> ' April 9, 1999 Submission #: 9904031 <br /> SECOR CONCORD <br /> Atten: TOM CROSBY <br /> ' Project: LYON INVESTMENTS Project#: 70139-004-02 <br /> Received: April 1, 1999 <br /> tre: Surrogate report for 1 sample for Volatile Organics by GC/MS <br /> analysis . <br /> Method: SW846 Method 8260A Sept 1994 <br /> ' Lab Run#: 18259 <br /> Matrix: WATER <br /> ' Recovery <br /> Sample# Client Sample ID Surrogate Recovered Limits <br /> 235140-1 GP-2 4-BROMOFLUOROBENZENE 91 .4 86-115 <br /> 235140-1 GP-2 D4-1, 2-DICHLOROETHANE 94 .2 76-114 <br /> 235140-1 GP-2 D8-TOLUENE 988-1105 . 6 Recovery <br /> Sample# OC Sample Type Surrogate Recovered Limits <br /> ' 236022-1 Reagent blank (MDB) 4-BROMOFLUOROBENZENE 101 86-115 <br /> 236022-1 Reagent blank (MIDB) D4-1,2-DICHLOROETHANE 86 .4 76-114 <br /> 236022-1 Reagent blank (MDB) D8-TOLUENE 101 88-11C <br /> ' 236023-1 Spiked blank (BSP) 4-BROMOFLUOROBENZENE 105 86-115 <br /> 236023-1 Spiked blank (BSP) D4-1,2-DICHLOROETHANE 107 76-114 <br /> 236023-1 Spiked blank (BSP) D8-TOLUENE 95 .4 88-11C <br /> 236024-1 Spiked blank duplicate (BSD)4-BROMOFLUOROBENZENE 98 . 8 86-IIE <br /> 236024-1 Spiked blank duplicate (BSD)D4-1,2-DICHLOROETHANE 113 76-114 <br /> 236024-1 Spiked blank duplicate (BSD)D8-TOLUENE 99 . 6 88-11C <br /> 236025-1 Matrix spike (MS) 4-BROMOFLUOROBENZENE 99 .2 86-115 <br /> ' 236025-1 Matrix spike (MS) D4-1,2-DICHLOROETHANE 120 76-114 <br /> 236025-1 Matrix spike (MS) D8-TOLUENE 102 88-11C <br /> 236026-1 Matrix spike duplicate (MSD)4-BROMOFLUOROBENZENE 99 . 2 . 86-11E <br /> 236026-1 Matrix spike duplicate (MSD)D4-1,2-DICHLOROETHANE 94 .4 76-114 <br /> 236026-1 Matrix spike duplicate (MSD)D8-TOLUENE 103 88-IIC <br /> 1 <br /> V053 <br /> QCSURR1229 YT 09-Ap-99 14:37: <br /> 1220 Quarry Lane • Pleasanton, Cafrfornia 94566-4756 <br /> (925) 484-1919 • Facsimile (925)484-1096 <br /> Federal ID#68-0140157 <br />