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SIndustria] Road <br /> equoia <br /> _ '" San Carlos <br /> CA 94070-4111 <br /> (650) 232-9600 <br /> Analytical FAX(650)232-9612 <br /> G ler-Ryan/Geostrategies()} Project Unocal(l) Sampled 9/16199 <br /> 6747 Sierra Court,Suite D Protect Number Unocal SS#5098 'Received 9/16/99 <br /> Dublm,CA 94568 Pro ect Mana er Deanna Harding E22rted 9/30/99 <br /> a.,..,,.. — 11xx " <br /> Volatile Orgame Compounds by EPA Meihod 8010BTQualitj-Control <br /> aaia Anal cal "S8n Carlos;� " z ., n k� xY t_ "' E <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> JAnalM__ An!!nL4 Level Result Result Units Recov Linuts % Limit % Notes' <br /> Blank(continued - 9090065-BLK4 <br /> Trichloroethene 9/17/99 ND ug/1 0.500 <br /> Tnchlorofluoromethane " ND " 0.500 <br /> Vinyl chlonde ND " 1.00 <br /> Surrogate 1-Chloro-2 fluorobenzene 100 104 700-130 104 <br /> LCS 9090065-ESI <br /> Chlorobenzene 9/14/99 100 815 ug/l 700-130 815 <br /> 1,1-Dichioroethene " 100 908 650-135 908 <br /> Tnchloroethene 100 940 700-130 940 - <br /> Surrogate I-Chloro-2 fluorobenzene " 100 879 700-130 879 <br /> LCS 9090065-BS2' T <br /> Chlorobenzene 9/15/99 100 865 ug/l 700-130 865 <br /> l,l-Dichloroethene 100 938 65 0-135 938 _ <br /> Tnehloroethene 100 - 899 "_ 700-130 899 - - -� <br /> Surrogate 1-Chloro-2 fluorobenzene 100 113 700-130 113 <br /> LCS 9090065-BS3 <br /> Chlorobenzene 9116199 100 792 ug/l 700-130 792 <br /> I,I-Dichloroethene 100 907 " 650-135 907, <br /> `Trichloroethene 100 8-62�"� � 70 0=130=86 2 — -- T=— <br /> Surrogate 1-Chloro-2fluorobenzene 100 113 700-130 113 <br /> LCS 9090065-BS4 <br /> Chlorobenzene _ - 9/17/99----- -- --- Y-7 95--�tig/1 - -- 700-130 - <br /> I,1-Dichioroethene 859 1. 650-135 <br /> Trichloroethene 854 700-130 <br /> Surrogate I-Chloro-2 fluorobenzene - 10 0 10 7 " r 700-130 107 <br /> Matrix Spike 9090065-MSI L909116-02 <br /> Chlorobenzene 9115199 100 ND 708 ug/l 600-140 708 <br /> 1,1-Dichloroethene 100 ND 7 83 60 0-140 78 3 <br /> Tnchloroethene _ 100 ND 801 - 600-140, 801 <br /> Surrogate !-Chloro-2 fluorobenzene " 100 114 700-130 114 <br /> Matrix Spike Dup 9090065-MSD1 L909116-02 <br /> Chlorobenzene 9/15/99 100 ND 702 ug/l 600-140 702 250 0 851 <br /> I,I-Dichloroethene 10 0 ND 8 10 600-140 810 250 3.39 <br /> Tnchloroethene 10 0 ND 822 600-140 822 250 2.59 <br /> — Surrogate 1-Chloro-2 f7uorobenzene 10 0 986 - "- 700-130 986 <br /> Sequoia Analytical-San Carlos 'Refer to end of report for text of notes and definitions • <br /> pg Page 29 of 30 <br /> .P4. <br />