Laserfiche WebLink
, • r <br /> Sequoia 480 Chewpeake Drive Redwood City CA 94063 (415) 364-9600 FAX (415) 364-9133 <br /> 15� 404 N.Witt%Lane Walnut Creek,CA 94598 (510) 988.9600 FAX(510)988.9673 <br /> q,,,0 Analytical 819 Striker Avenue,Suite s Sacramento.CA 95834 (915) 921-9600 FAX (916)921.0100 <br /> TEL (Wichita) Client Project ID_ Chevron #9-0557/ Stockton ms <br /> 4211 May Ave. Matrix: Solid <br /> Wichita, KS 67209 <br /> Attention: Justin Ward OC Sample Group: 5120412-415Reported Dec 29 1995. <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> OC Batch#: GC121495 GC121495 GC121495 GC121495 <br /> 8020EXA 8020EXA 8020EXA 8020EXA <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: N. Beaman N. Beaman N. Beaman N.Beaman <br /> M S/MSD #: 5120408 5120408 5120408 5120408 <br /> Sample Conc.: N.D. N.D. N.D. N.D. <br /> Prepared Date: 12/14/95 12/14/95 12/14/95 12/14/95 <br /> Analyzed Date: 12/14/95 12/14/95 12/14/95 12/14/95 <br /> Instrument I.D.#: HP-4 HP-4 HP-4 HPa <br /> Conc. Spiked: 0.40 mg/kg 0.40 mg/kg 0.40 mg/kg 1.2 mg/kg <br /> Result: 0.39 0.42 0.44 1.3 <br /> MS % Recovery: 98 105 110 108 <br /> Dup. Result: 0.39 0.41 0.43 1.3 <br /> MSD % Recov.: 98 93 108 108 <br /> RPD: 0.0 2.4 2.3 0.0 <br /> RPD Limit: 0-20 0-20 0-20 0-20 <br /> Y:i-:c• ...:..... ........ :.:...... .:....:.: .:..-..:-- -....:. ... .... ..-....... ... ......... ......... ......... ......... --..-....- <br /> LCS #: 2LCS121495 2LCS121495 2LCS121495 2LCS121495 <br /> Prepared Date: 12/14/95 12/14/95 12/14/95 12/14/95 <br /> Analyzed Date: 12/14/95 12/14/95 12/14/95 12/14/95 <br /> Instrument I.D.#: HP-4 HP4 HP4 HP-4 <br /> Conc. Spiked: 20pg/L 20Ng/L 20Ng/L 60Ng/L <br /> LCS Result: 20 21 21 66 <br /> LCS % Recov.: 100 105 105 110 <br /> LCS <br /> Control Limits 55.145 47-149 47.155 56-140 <br /> Please Note: <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> CO) ANALYTICAL, #1271 preparation,and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> } fortified with known quantities of specific compounds and subjected to the entire analytical procedure. If <br /> { the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> j J interference the LCS recove is to be used to validate the batch. <br /> Ke jmer F"MS=Matrix Spike, MSD=MS Duplicate, RPQ z Relative ro Difference <br /> Proje Manager <br /> 5120412.GTW <2> <br />