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PRIMA Environmental, Inc. .. eprice/2 of 6 <br /> September 27, 2007 <br /> Proposal-Eval of RegenOx <br /> ' - if necessary, assess the potential for natural attenuation of Cr(VI) and bromate <br /> Specific tests.to achieve these goals are presented in the Scope of Work. PRIMA <br /> Environmental, Inc. will evaluate the effectiveness of RegenOx based on the results of the <br /> bench tests and will present findings in a report to Ground Zero Analysis, Inc (Ground <br /> Zero). The report will include the results as well as observations. However, it is the <br /> responsibility of Ground Zero to review the report and use its knowledge and expertise to <br /> determine whether application of RegenOx is appropriate:for this site. <br /> SCOPE OF WORK <br /> Task 1. Soil and Groundwater Preparation and Characterization <br /> I Prior to testing, soil will be sieved to remove particles >4 mesh, then composited. <br /> Composited soil will be analyzed for <br /> - DRO <br /> - GRO <br /> VOCs-extended list (includes..BTEX, 1;2-DCA) <br /> Fuel oxygenates (MTBE, TBA, ETBE, RIPE, TAME) <br /> ' - Ethylene dibromide (EDB) <br /> - acetone <br /> - Cr(VI) <br /> - metals (CAM-17+iron): <br /> Groundwater received in multiple containers will be composited then stored in 1L amber <br /> bottles with no headspace until needed. Composited groundwater will be analyzed for . <br /> - DRO <br /> - GRO <br /> - VOCs-extended list (includes BTEX, 1,2-DCA) <br /> Fuel oxygenates (MTBE, TBA, ETBE, DIPE, TAME) <br /> - EDB <br /> acetone <br /> - bromate and bromide <br /> - Cr(VI) <br /> = Dissolved oxygen (DO) <br /> - metals (CAM-17+iron) <br /> - oxidation reduction potential (ORP) <br /> pH <br /> fDRO, GRO, VOCs (including BTEX, 1,2-DCA), fuel oxygenates, EDB and acetone, <br /> + hereafter referred to as chemicals of concern (COCs),i will be analyzed on a rush basis <br />