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TABLE 15 <br />WATER ANALYTICAL RESULTS <br />SUMPS 1 THROUGH 6 <br />Sump Area Sample ID Sample NWTPH Benzene Toluene Ethylbenzene Xylenes <br />ID ID Date m/L µ/L (µ /L ~/L µ/L <br />I 6 Influent 4/14/99 <0.25 <0.~ <0.5 <0.~ <1.5 <br />1 6 Influent 4/1~/99 <02~ 1.3 4J 5.6 19.0 <br />1 6 Influent 4!16/99 <02~ 1.9 4.5 ~.7 20.0 <br />1 6 (nfluent 4/27/99 <0.25 7.3 13.7 13.2 70.1 <br />1 6 SE-Influent 5/04/99 0.28 2.1 2 2 2• 1 12•3 <br />2 18/22 SW-Influent ~!04/99 0.59 0.5 1.9 <Q~ 17.7 <br />2 18/22 SW-Influent 5/11/99 <0.25 <1.0 <1.0 <1.0 <1.0 <br />I 6 SE-Influent ~/11/99 <0.2~ <1.0 <1.0 <br /><1.0 <br /><1.0 <br />4 19/23 SW-Influent Sr 19/99 <0.25 <0.5 0.~~ <0.5 <1.5 <br />I 6 SE-Influent 5!19/99 <025 <0.5 <0.5 <0.~ <1.5 <br />5 2 SW-Influent ~;27/99 <0.25 <0.5 0.89 <0.~ <1.5 <br />6 18/22 SW-Influent 6/l~/99 0.396 <0.5 2.9 3.28 2~.7 <br />RBCA Tier 1 Volatization to Outdoors NA 18,000 Note 1 Note 1 Note 1 <br />Cleanu Level <br />< = less than detection limit <br />NA = Not Applicable <br />NWTPH = Total Petroleum Hydrocarbons (Method NWTP}I-DX) <br />ugJL = micrograms per liter <br />BTEX = Benzene, Toluene, Eth~~lbenzene, Xylenes (Method 8021) <br />RBCA = Ore~on DEQ Interim Guidance on Risk-E3ased Corrective Action for Petroleum Rele:ues (April 1996) <br />Note 1 = constituent can not ereate an unacceptable risk by this path~~~ay based on [he ~vater solubilit}~ of the constituent and <br />the absence of free product observed on groundwater at the site. <br />Based on tield observations and anah~tical results for soil sam Ies, no water sam le ~cas collected from Sum 3 in Area 2l <br />Construction Phase-Remedial Actions Century W'est Engineerin~ Corporation <br />Courthouse Square 40806-001-27 <br />November 9, 1999 <br />