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Table 4: Chemicals Detected in Sediment Geosyntec Consultants <br /> Rough and Ready Island, Site 47 <br /> Port of Stockton <br /> Sample Location SO1/GIL SO1/GIL S02/GIL S02/GIL <br /> Sample Date 6/15/1995 19:00 11/29/1995 11:30 6/15/1995 12:00 11/28/1995 10:00 <br /> Start Depth(feet) -5.57 -5.57 -7.22 -7.22 <br /> End Depth(feet) -6.07 -6.4 -8.47 -8.55 <br /> Anal to Screening Level1 - - - - <br /> VOC Ethylbenzene(µg/kg) - 8U 23U IOU 20U <br /> VOC Hexachlorobutadiene(Hexachloro-1,3-butadiene)(µg/kg) - 500U 770U 660UJ 670U <br /> VOC Methyl ethyl ketone(2-Butanone)(µg/kg) - 38UJ 23UJ 20U 20UJ <br /> VOC Styrene(µg/kg) - 38U 23U 20U 20U <br /> VOC Tetrachloroethene(PCE)(µg/kg) - 38U 23U 20U 20U <br /> VOC Toluene(µg/kg) - 8U 23U IOU 20U <br /> VOC Total xylene(reported,not calculated)(µg/kg) - 8U 23U IOU 20U <br /> VOC Trichloroethene(TCE)(µg/kg) - 38U 23U 20U 20U <br /> VOC Vinyl chloride(µg/kg) - 38U 23U 20U 20U <br /> Abbreviations: <br /> "-"=Information not applicable <br /> µg/kg=microgram per kilogram <br /> DDD=dichlorodiphenyldichloroethylene <br /> DDE=dichlorodiphenyldichloroethane <br /> DDT=dichlorodiphenyltchloroethane <br /> J=esitmated value <br /> NJ=tentatively identified compound <br /> mg/kg=milligram per kilogram <br /> ng/kg=nanogram per kilogram <br /> Notes: <br /> 1.MacDonald,D.D.,Ingersoll,C.G.and Berger,T.A.,2000.Development and evaluation of consensus-based sediment quality guidelines for freshwater ecosystems.Archives of <br /> environmental contamination and toxicology,39(1),pp.20-31. <br /> 2.Total DDT is the sum of 4,4'-DDD,4,4'-DDE,and 4,4'-DDT. <br /> 3.The following PAHs were categorized and summed as PAHs(High MW):Pyrene;Benzo(a)anthracene;Chrysene;Benzo(b)fluoranthene;Benzo(k)fluoranthene;Benzo(a)pyrene; <br /> Benzo(e)pyrene;Dibenz(a,h)anthracene;Benzo(g,h,i)perylene;Fluoranthene;and Indeno(1,2,3-cd)pyrene. <br /> 4.The following PAHs were categorized and summed as PAHs(Low MW):Naphthalene;Acenaphthylene;Acenapthene;Fluorene;Phenanthrene;Anthracene;and 2-Methylnaphthalene. <br /> 5.Total PAHs and Total PCBs are the sum of the detected compounds in the respective classes. <br /> 6. 1,2-Dichloroethene is the sum of cis-and trans-isomers. <br /> 7.Bold values indicate detections. <br /> 8.Blue highlighted values indicate detections greater than the screening level. <br /> 9.Grey highlighted values indicate reporting limits greater than the screening level. <br /> Page 3 of 3 <br />