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KEI-P89-1104 .QR3 October 31, 1991 Page 10 tion activities) is to be treated as contaminated material or if it can be directly discharged to the storm drain system. A water sample for the abandoned well was collected on October 15, 1991. ,The destruction of the water well will be scheduled as soon as Purviance Drilling has completed the necessary special tools and has obtained a well destruction permit from the county. The esults of the laboratory analysis of the sample obtained from the ater well should be forwarded to the SJCPHS. In addition, Mr. Knoll has requested that notification be provided for the well destruction schedule so that he can observe all field activities. DISTRIBUTION A copy of this report should be sent to Mr. Harlin Knoll of the SJCPHS, and to the Regional Water Quality Control Board, Central Valley Region. LIMITATIONS Environmental changes, either naturally-occurring or artificially- induced, may cause changes in ground water levels and flow paths, thereby changing the extent and concentration of any contaminants. our studies assume that the field and laboratory data are reasonab- ly representative of the site as a whole, and assume that subsur- face conditions are reasonably conducive to interpolation and extrapolation. The results of this study are based on the data obtained from the field and laboratory analyses obtained from a state certified laboratory. We have analyzed this data using what we believe to be currently applicable engineering techniques and principles in the Northern California region. We make no warranty, either expressed or implied, regarding the above, including laboratory analyses, except that our services have been performed in accordance with generally accepted professional principles and practices existing for such work.