Laserfiche WebLink
680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> ' 404 N W,get Lane Walnuc Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX{916)921 0100 <br /> Delta Environmental Consultants Cilent Project ID Unocal #5886 <br /> 3164 Gold Camp Dr, Suite 240 Matrix Soli <br /> Rancho Cordova, CA 95670 <br /> ' Attention Eric Holm CC Sample Group 5071398-1404, 1408-10 Reported Jul 31, 1995 <br /> tQUALITY CONTROL DATA REPORT <br /> ' ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes Diesel <br /> ' Method EPA 8020 E=A 8020 EPA 8020 EPA 8020 EPA 8015M <br /> Analyst C Chapman C Chapman C Chapman C Chapman C Lee <br /> Concentration <br /> ' Spiked 0 20 mg/kg 0 20 mg/kg 0 20 mg/kg 0 60 mg/kg 7 5 mg/kg <br /> LCS Batch# LCS072795 LCS072795 LCS072795 LCS072795 LCS072795C <br /> ' Date Prepared: 7/27/95 7/27/95 7/27/95 7/27/95 7/27/95 <br /> Date Analyzed. 7/27/95 7/27/95 7/27/95 7/27/95 7/28/95 <br /> 1 <br /> InstrumentI D # GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP 38 <br /> LCS % <br /> Recovery 94 93 95 94 99 <br /> Control Limits 75-125 75.125 75-125 75-125 50-150 <br /> MS/MSD <br /> Batch # 5070747 5070747 5070747 5070747 5071398 <br /> ' Date Prepared 7/27/95 7/27/95 7/27/95 7/27/95 7/27/95 <br /> Date Analyzed 7/27/95 7/27/95 7/27/95 7/27/95 7/28/95 <br /> Instrument I D # GCHP-1 GCHP-1 GCHP 1 GCHP 1 GCHP 3B <br /> Matrix Spike <br /> oho Recovery- 96 94 100 100 99 <br /> ' Matrix Spike <br /> Duplicate % <br /> Recovery 94 96 96 97 104 <br /> 1 Relative °'o <br /> Difference 2 1 2 1 41 30 '19 <br /> 1 <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS is a control samdle at known interrerent free matrix that Is analyzed using the same reagents <br /> preparation and analytical methods employed for Lhe samples The LCS'o recovery data is used Tor <br /> validation or sample oatcn results Due to matrix effects the QC limits for MS/MSDs are aavisory only <br /> Linda C Schneider and are not used to accept or re}ect datcn results <br /> Protect Manager <br /> 5071398 OLi <5= <br />