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RECEIVED <br /> SEQUOIA ANALYTICAL APR 2 31993 E E B 2 W3 <br /> 1900 Bates Avenue • Suite LM • Concord. California 94520 <br /> (510) 686.9600 FAX (510)686-9689 914VIR$$HH <br /> NMENIAL HEALTH <br /> Alton Geoscience Client Project ID: former Mobil iO4 343/aa0�3frt0 Sampled an 22, 1 <br /> 993. <br /> 5870 Stoneridge Drive, Suite 6 Sample Descript. Water,AW-9 Received: Jan 25, 1993 <br /> Pleasanton, CA 94588 Analysis Method: EPA 8270 Extracted: Jan 2 , 1993 <br /> nentlon: Stephan Rosen lab Number: 301-0605 Analyzed: Jan 277, 1993 <br /> ��: ... . .�. ... . . . ... . �. . . ... .. .. , Reported: Jan 29, <br /> ..1 <br /> 993. <br /> SEMI-VOLATILE ORGANICS by GC/MS (EPA 8270) <br /> Artaly#e Detection Limit Sample Results <br /> PgA PDX <br /> 2,4-Dinitrotoluene.............................................................. 2.0 ...........I........_. ............. N.D. <br /> 2.6-Unitrotaluene.............................................................. 2 0 N.D. <br /> DI-N-octyl phthalate.......................................................... N.D. <br /> Fluorant>hene..................................................................... 2.0 ..............--.--.................. N.D. <br /> Fluorene...................................................... ..................... 2.0 ................I..............I..... N.D. <br /> Hexachlorobenzene.......................................................... <br /> 2.0 ................................... N.D. <br /> Hexachlorobutadlene. <br /> Hexachlorocyclopentadierte................. ........................... 2.0 ....................I......I......... N.D. <br /> 2.0 <br /> Hexachloroethane............................................................. 2.0 ..................................... N.D. <br /> Indeno(1,2,3-cd)pyrene.................................................... 2.0 <br /> .............................. N.D. <br /> 2SMfiylnaphthalene........................................................ 2.0 ................................... N.D. <br /> 2-Methylphend................................ . 2-0 .........I...................I....... N.D. <br /> 4-Methylphenol.............................................................. ... 2.0 N.D. <br /> .................I <br /> Naphthalene...................................................................... 10 ................... N.D. <br /> 2-Nltroanline..................................................................... 0 N.D. <br /> 3-Nitroanline..................................................................... 10 .. ....... .......................... N.D. <br /> 4-Nltroanline..................................................................... 2.0 <br /> .................. N.D. <br /> Nltrobenzene..................................................................... 2.0 N.D. <br /> 2-Nitrophenoi.................................................................... 0 .................... N.D. <br /> 4-Nitrophenol.................................................................... 110 ..........I.......................... N.D. <br /> N-Nitrosodiphenylamine................................................... .................................... N.D. <br /> N-Nitroso-dl-N-proplM1amine............................................. 2.0 ...............I..................... <br /> Pentachlorophenol............................................................ 100 ......... ........................... N.D. <br /> Phonardh <br /> Phenol. ��................................................................ 2.0 ................................... N.D. <br /> pyrene............................................................................... 2-0 ..................................... N.D. <br /> 1,2,4-TdcNorobenzene..................................................... N.D. <br /> 2.4.5-TdcHorophenol........................................................ 20.. ................................... N.D. <br /> 2,4.6-Tdchiorophenol........................................................ .................................... <br /> Anatytas reported as N.D.were not present above the stated Breit of detection. <br /> sEGU ANAL11T1CAL <br /> A• O Page 2 of 2 30105WALT cwp� <br /> Project Manage <br />