Laserfiche WebLink
Sequoia <br />Analytical <br />68fj Chesapeaxe Unvc kcawood City CA 4#4063 1415) 364 9600 FAa 1415} 364 9233 <br />14W Batm Avrnue ',trite L Cntrrnrd CA Q4r'0 15101 FRF 9fm FAX 19 W) 686 QFRQ <br />619 Sinker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br />'Wroundwater Technology C lent Project ID Chevron #9-2033, Stockton, CA <br />t 1401 Halyard Drive, Susie 140 Matrix Soil fi <br />West Sacramento, CA 95691 <br />Attention Jason Fedota OC Sample Goup 5031072-1109 Reported Apr 4, 1995 ;r <br />QUALITY CONTROL DATA REPORT <br />ANALYTE 24-Dinttro- Penta- <br />Acena hthene 4-Nitrophenol toluene chloro henol ene <br />Method: <br />EPA 8270 <br />EPA 8270 <br />EPA 8270 <br />EPA 8270 <br />EPA 8270 <br />Analyst: <br />S Hoffmann <br />S Hoffmann <br />S Hoffmann <br />S Hoffmann <br />S Hoffmann <br />Concentration <br />Spiked: <br />3300 ug/kg <br />3300 u8/kg <br />3300 ug/kg <br />3300 ug/kg <br />3300 ug/kg <br />LCS Batch# <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Date Prepared: <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Date Analyzed: <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Instrument I.D.# <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />LCS °% <br />Recovery: <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Control Limits <br />47-145 <br />DL -132 <br />39-139 <br />14-176 <br />52-115 <br />1.�.,-..w. t,4#%.T.,,. �,4 <br />,,.,,., „..y,s.. ` <br />.n..r. <br />v{r. ryv v v. rtiwr,•, r�t +rr^ry s`t+';.v'c'c, ^^xfi+te ,tin u. ,., e. nor t r.. ,r, ,,,v$ ^,S <br />MS/MSD <br />Batch #. <br />95ME97-01 <br />9503E97-01 <br />95ME97-M <br />9503E97-01 <br />9503F97-01 <br />Date Prepared <br />3/22/95 <br />3/22/95 <br />3/22/95 <br />3/22/95 <br />3/22/95 <br />Date Analyzed <br />3/23/95 <br />3/23/95 <br />3/23/95 <br />3/23/95 <br />3/23/95 <br />Instrument i.D.#: <br />F4 <br />R <br />R <br />R <br />F4 <br />Matrix Spike <br />% Recovery. <br />82 <br />39 <br />67 <br />45 <br />85 <br />Matrix Spike <br />Duplicate °% <br />Recovery <br />70 <br />39 <br />58 <br />39 <br />82 <br />Relative °% <br />Difference <br />16 <br />00 <br />1s <br />14 <br />17 <br />SEQUOIA ANALYTICAL <br />ULnda C Schneider <br />Project Manager <br />Please Note <br />The LCS is a control sample of known, interferent free matrix that 1s analyzed using the same reagents, <br />preparation and analytical methods employed for the samples The LCS % recovery data is used for <br />validation of sample batch results Due to matrix effects the CC limits for MS/MSDs are advisory only <br />and are not used to accept or refect batch results <br />Page 2 of 2 <br />5031072 GRW <22> <br />