Laserfiche WebLink
r <br /> 6" 16 October 1997 <br /> AGE-NC'Project No. 96-0232 <br /> Page 5 of 5 s . <br /> to'the`southwest. - <br /> _. The detection of MTBE from'ground water sarmples'colIected at P-1 and P-5 were above'the' <br /> Central Valley Regional Water Quality;Control Boardrecommended 35 ppb;closure limit•: . <br /> 5.0:' RECOMMENDATIONS s <br /> Based iipon data collected during August and'September:'1997; AGE recommends: <br />�- 'Based- on,the detection of"'MT'BE"and TBA bothon,'sit'- and off-site,`a regular'qu arterly ' <br /> ground water monitoring regime should be implemented onsite and off-site.to monitor"for <br /> the e presence of these oxygenated compounds. '. <br /> With a domestic well in the:vicinity'potentially threatened by the-MTBE, additional ground, <br /> water monitoringwells should be installed on and oft ihe'site to 'Monitor for MTBE. AGE <br /> recommends an additional five ground water monitoring'wells:in or near the locations,shown <br /> on-Figure 5. Some,wells,should have multipl&,ci ompletions.to monitor upper and lower <br /> portioris.of the MTBE plume: <br /> 6.o.. - ' LIMITATIONS <br /> Our professional-services were performed using that degree.of'care and skill ordinarily exercised by <br /> .' environmental consultants practicing in'this or similar localities. The findings-were based mainly upon-: <br /> -analytical results.provided by an"independent laboratory..Evaluations of the geologic/hydro=:geologic . <br /> conditions at the site for the purpose bfthis investigation are.made from a limited number of available r <br />' data'points:(6.g.'ground:.water samples), and-subsurface conditions may.yary,awayfroni these data <br /> :.Points. No' other Warranty, expressed_or:implied, is made as 'to the professional recommendations" <br />' contained•in;this report. <br /> " Advanced GeoEm•ironme.;W,Inc. <br />