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KEI-P91-0202 .QR2 <br /> August 10, 1992 <br /> • Page 3 <br /> DISCUSSION AND RECOMMENDATIONS <br /> Based on the analytical results for the ground water samples <br /> collected and evaluated to date, and no evidence of free product or <br /> sheen in any of the wells, KEI recommends the continuation of the <br /> current monitoring and sampling program, per KEI ' s proposal (KEI- <br /> P91-0202 .P3) dated October 16, 1991, and as modified in KEI ' s <br /> report (KEI-P91-0202 .R6) dated January 23 , 1992 . The wells are <br /> currently monitored monthly and sampled on a quarterly basis. <br /> DISTRIBUTION <br /> A copy of this report should be sent to the. San Joaquin County <br /> Local Health District, and to the Regional Water Quality Control <br /> Board, Central Valley Region. <br /> LIMITATIONS <br /> Environmental changes, either naturally-occurring or artificially <br /> induced, may cause changes in ground water levels and flow paths, <br /> thereby changing the extent and concentration of any contaminants. <br /> Our studies assume that the field and laboratory data are reasonab- <br /> ly representative of the site as a whole, and assume that subsur- <br /> face conditions are reasonably conducive to interpolation and <br /> extrapolation. <br /> The results of this study are based on the data obtained from the <br /> field and laboratory analyses obtained from a state-certified <br /> laboratory. We have analyzed these data using what we believe to <br /> be currently applicable engineering techniques and principles in <br /> the Northern California region. we make no warranty, either <br /> expressed or implied, regarding the above, including laboratory <br /> analyses, except that our services have been performed in accor- <br /> dance with generally accepted professional principles and practices <br /> existing for such work. <br />