Laserfiche WebLink
1 <br /> Geofog,caLTeMuncs Inc Page 4 <br /> Groundwater Momtoiing Report <br /> Project No 770 2 <br /> January 30, 2001 <br /> technician or at the laboratory The rationale for this conclusion is that the transition seal in <br /> the deep well MW-105 is comprised of weighted bentonite pellets containing 61% ethanol <br /> I (see Appendix D for "Pel Plug" M S D S ) In addition, the diesel concentrations found in <br /> deep well MW-105, 4080 ug/l, is higher than that found in water table well MW-5, 105 ug/l <br /> This is the opposite of the expected relationship in which the diesel attenuates with depth <br /> ' resulting in a lower concentration in the deeper well <br /> GTI snakes the following recommendations <br /> • Continue quarterly groundwater monitoring to complete foci consecutive events for <br /> determining direction and contaminant trends Two events have been completed with <br /> the deep well MW-105 installed <br /> • Wells MW-5 and MW-105 will continue to be analyzed for ethanol to confirm the <br /> initial data <br /> After the above monitoring is completed, evaluate the need for additional soil and <br /> groundwatei investigation by installing borings and monitoring wells cross/down <br /> gradient of the former UST location <br /> 3.0 SIGNATURES AND CERTIFICATION <br /> Geological Technics Inc perforined this project in accordance with accepted geologic and <br /> I hydrologic standards of the State of California accepted and in effect at the time of this <br /> investigation <br /> This report was prepared by <br /> ' GeofaBuaf7echnus Inc <br /> Joseph D 0, <br /> ngulo Vapi Essjo � <br /> Geologist '11;) c� <br /> No 523a <br /> Raynold I Kablanow 11, PhD CA <br /> . California Registered Geologist #5234 <br /> Certified Hydrogeologist #442 <br />