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a 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia <br /> 404 N Wlget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ettler-f yari- Dublin h Client Project ID Unocal SS40123, Tracy' Sampled Mar i6, 1999, <br /> 47 Sierra Court, Suite J Sample Descript Water, U-6 Received Mar 17, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 5030/8010 Analyzed Mar 29, 1999 <br /> Attention Deanna Harding Lab Number 903-1672 Reported Apr,2, 1999 <br /> ♦ r ... Y ♦r a .,`r } .yvyiw.,rr.�xx .,.� r Y v n <br /> HALOGENATED VOLATILE ORGANICS (EPA 8010) <br /> Analyte Detection Limit Sample Results <br /> N9/L i•r9/L <br /> Bromodlchloromethane 050 N D <br /> Bromoform 050 N D <br /> Sromornethane 1 0 N D <br /> Carbon tetrachloride 050 N D <br /> Chlorobenzene 050 N D <br /> Chloroethane 1 0 N D <br /> Chloroform 050 N D <br /> Chloromethane 10 N D <br /> Dlbromochloromethane 050 N D <br /> 1,3-Dichlorobenzene 050 N D <br /> 1 4-Dichlorobenzene 050 N D <br /> 1,2-Dichlorobenzene 050 N D <br /> 1,1-Dichloroethane 050 080 <br /> 1,2-L)tchloroethane 050 <br /> 1,1-Dichloroethene 050 N D <br /> is-1,21- is oroet ene 0.50 25 <br /> ns-1,2- is oroet ene. 0.50 088 <br /> 1,2-Dichl oropro pane 050 <br /> cis-1,3-Dichloropropene 050 N D <br /> trans-1,3-Dichloroprope ne 050 N D <br /> Methylene chloride. .. .. . . . . . so . ... .. .. . ... ... . . 15 <br /> 1,1,2,2-T etractil oroet ane 050 <br /> Tetrachioroethene. . .. 0 50 7,2 <br /> 1,1,1-i richloroethane <br /> 1,1,2-Trichloroethane 050 N D <br /> Trichloroethene0 50 - 1 2 <br /> richlorotluorometnane 050 <br /> Vinyl chloride 1 0 N D <br /> Surrogates Control Limit % % Recovery <br /> Di bromod ifluo rom ethane 50 150 108 <br /> 4-Bromofluorobenzene 50 150 107 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> troJanne Fegley <br /> ject Manager <br /> 9031666 GET <9> <br /> .04. <br />