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r <br /> Sequoia680 Chesapeake Dnve Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical a 19 Stnkcr Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Iwo <br /> SYn ,{ F . A i r t r ry h 4 . r�Vry rr r vrvy r r x; <br /> Blaine Tech Services, Inca Client Project ID Chevron 9-1918/960430-L1 r <br /> 985 Timothy Drive Matrix Liquid { <br /> ,San Jose, CA 95133 }` <br /> Attention Jim Keller Work Order# 9604K48-01-05 Reported May 10, 1996 <br /> „;� crr.e. } r r+.• r,. ., r ., . � .. .w rrr ,. , K n .. ,. s,. r n ,.s,.r,..ry rv.r. ...,. i? <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Nitrite Nitrate <br /> CC Batch#. IN0501963000ACD INOM196.3000ACD <br /> Analy. Method EPA 300 0 EPA 300 0 <br /> Prep Method N/A N/A <br /> Analyst, S Lee S Lee <br /> MS/MSD#. 9604J57o1 96W5701 <br /> Sample Conc N D 23 <br /> Prepared Date 5/1/96 5/1/96 <br /> Analyzed Date 5/1/96 5/1/96 <br /> Instrument I D# INIC1 INIC1 <br /> Conc Spiked. 10 mg/L 10 mg/L <br /> Result 14 13 <br /> . MS% Recovery 140 107 <br /> Dup Result 11 13 <br /> MSD %Aecov.. 110 107 <br /> RPD, 37 00 <br /> RPD Limit. 0-20 0-20 <br /> n ♦ r Srnv yr 2i rv. ry 4, i, rr vry r ` r Lv tr ,h vrn rr . v v v v nrvrv4 r 1 vti,ti r ' i r r. r r .rr vv v t r ..v ry }nrry v.r vrv� <br /> LCS# LCS050196 LCS050196 <br /> Prepared Date: 5/1/96 5/1/96 <br /> Analyzed Date: 5/1/96 5/1/96 <br /> Instrument I D # INIC1 INIC1 <br /> Conc. Spiked 5 0 mg/L 10 mg/L <br /> LCS Result 45 93 <br /> LCS %Aecov.. 90 93 <br /> MS/M 75-125 75.125 <br /> LCS 80-120 80-120 <br /> Control Limits <br /> - Please Note <br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> IA ALYTICAL 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 M <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> tinterference,the LCS recovery is to be used to validate the batch <br /> y enner <br /> Project Manager *'MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9604K48 BLA <2> <br />