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C <br /> l• <br /> I <br /> No odor was detected when the water level measurements were taken <br /> • in MW-1 and MW-2 , MW-3 , however, had a strong hydrocarbon odor. <br /> The gradient determination calculations are contained in Appendix <br /> A. <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> The gradient is north-northwesterly at 0. 020 ft/ft. <br /> The direction of the gradient is . not consistent with data from <br /> other sites within a half mile of the subject parcel. <br /> MW-3 may have floating product, therefore, JPCA recommends that a <br /> bailer be taken on the site during the next month'swater level <br /> measurements to determine if there is floating product in the well. <br /> This report has been prepared specifically for Mr. Peter Wallace <br /> with specific application to a hazardous waste investigation. The <br /> report has been prepared with the care and skill generally <br /> exercised by reputable professionals, under similar circumstances, <br /> in this or similar localities. No other warranty, either expressed <br /> or implied, is made as to the professional advice presented. <br /> Copies of this report are being forwarded to the SJPHS-EHD as <br /> requested by Mr. Wallace. <br /> If you have any questions, please contact JPCA at (510) 505-0722 . <br /> Sincerely, <br /> i�,Tohn P. Cummings Jl n N. Alt, CEG. <br /> ✓Principal <br /> cc: Michael Infurna, SJPHS-EHD <br /> 3 <br />