Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> (916) 921-9600 9 FAX (916) 921-0100 <br />• <br /> RESNA Industries Client Project ID Arco #6020, Manteca <br /> 3164 Gold Camp Or, Suite 200 <br /> Rancho Cordova, CA 95670 <br /> Attention Jay Johnson QC Sample Group 2110498-513 Reported Dec 3, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Benzene Toluene Erhylbenzene Xylenes <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst Chiaravalloti Chiaravalloti Chiaravalloti Chiaravalloti <br /> Reporting Units mg/kg mg/kg mg/kg mg/kg <br /> Date Analyzed Nov 30 1992 Nov 30 1992 Nov 30 1992 Nov 30 1992 <br /> QC Sample # 211-0501 211-0501 211-0501 211-0501 <br /> Sample Cone N D N D N D N D <br /> Spike Cone. <br /> Added. 020 020 020 040 <br /> Cone. Matrix <br /> Spike- 021 021 022 042 <br /> Matrix Spike <br /> % Recovery 105 105 110 105 <br /> Cone Matrix <br /> Spike Dup 020 020 021 040 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery- 100 100 105 100 <br /> Relative <br /> % Difference 49 49 47 49 <br /> Quality Assurance Statement All standard operating procedures and quality control requirements have been met <br /> SEQUOIA ANALYTICAL % Recovery Cone of M S Conc of Samo:e x 100 <br /> �7 � f� ) Spike Conc Added <br /> Relative%Difference Conc of M S -Conc of M S D x 100 <br /> Michael R Giles (Conc of M S + Conc of M S D) 2 <br /> Laboratory Director <br /> 2110498 RES <4 s <br /> I <br />