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OCT 02 '95 14:05 SEQUOIA ANALYTICAL r.4 <br /> Sequoia _ -680 Chesapeake Drive Redwood City.CA 9�� (415) 364-9600 FAX(415)364-9233 <br /> 404 N.Wiget Line" Walnut Creek,CA 94598 (510) 988-9600 FAX(SIO)988.9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (9t6) 921-9600 FAX(916)921.0100 <br /> J � <br /> u:.................E: w.4 df•JidH33vld<fr"•!F ,%hs.•'�°K.,xC3.xr.-..w..zk'x4 �w.x Y.x ` $ .iXJR'd:Gk' d x,.'•.4x<3+ <br /> a�.Ni � •x««. ��.�.;��,,.�:xd... "`#`.�'�xsa�x.a'"d`���.�.'"�.'. :.��:ev1 , �..,..:....H... �,.x..: �«.....xx«« ,<,,.�;�$'�R.�sz:sz�r; <br /> 8To c stone Developments Client Project ID: Chevron 9-1452 Sampled: Sep 27, 1995 <br /> 5807 Balboa Drive Sample Matrbc: Solid Received. Sep 28, 1995 <br /> (Oakland, CA 94611 Analysis Method: EPA 8015 Mod./8020 Reported. Oct 2, 1995 <br /> Attention: Robert Mali° First Sam a# 9509100-07 <br /> r.'R:oxa?. ... '��..��«Y"c+"..«« `ee"�,� "R��2'''•"'",�,�,•. �<d, �'t:'r•x%•fig;:fc?+;�: F3i*k« n°ro.^s�,^�:�-'sr ,. <br /> x' u.u:.n"'. w•�� ���4'�:S`�Rkh3° .:.iiSi�;:?C.?�.R.t�Si:Jk�"57:.:.�.,..'v'.�s�l`•.s1i17hv.�e�...�u+.se<'eio,. <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Umit I.D. I.D. I.D. I.D. I.D. I.D. <br /> mg/kg 9509100-07 9509100-08 9509100-09 9509100-10 9509100-11 9509100-12 <br /> T4-N-11.0 T4-6.11.0 P-1-3.0 P-23.0 P-".5 P-43.0 <br /> Purgeable <br /> Hydrocarbons 1.0 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Benzene 0.0050 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Toluene 0.0050 N.D. N.D. N.D. N.D. N.D- N.D. <br /> Ethyl Benzene 0.0050 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Total Xylenes 0.0050 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Chromatogram Pattern: •• •• •• •- <br /> Quality Control Data <br /> eport Umit <br /> Multiplication Factor. 1.0 1.0 1.0 1_0 1.0 1.0 <br /> Date Analyzed: 9/28/95 9/28/95 9/28/95 9/28/95 9/28/95 9/29/95 <br /> I <br /> Instrument Identification: GCHP6 GCHP6 GCHP6 GCHP6 GCHP6 GCHP6 <br /> Surrogate Recovery, %: 104 100 98 107 74 109 <br /> (OC Umits = 70-130%) <br /> i <br /> i <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> i Analytes reported as N.D.were not detected above the stated reporting limit. <br />' SEQUOIA ANALYTICAL <br /> i <br />' Mark J. Ck4� <br /> Project Manager 95W100.T1T <3> <br />