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GM0M M 13. iLAAI3 CIVIL FNCiNEE:R ... <br />TM.P11HONB 478-7797-8722 SAN PASQUAL. WAY, STOCKTON, CALIPORNIA 95210 <br />0 <br />C <br />r <br />n <br />The disposal site is in an area of Columbia loam soils which <br />are underlain with various silts and sands deposited by the 5anJoaquin <br />Raver in the past. No test borings have been made. The disposal area <br />ground Mater table is controlled by the height of the water in the <br />River. This varies from about 3 feet above sea level. (normal summer) <br />,fn about 10 .9r.20 rapt above sea level in an extremely wet winter. <br />Since the bottom of the hole is about at sea level, about 3 <br />feet' of ground water is present in the hole during the summer months. <br />This will increase in depth during periods of high flow in the River. <br />No drainage control is attempted since the flucuation of the <br />water table due to the rise and fall of the river is the major factor <br />and this does not interfere with the operation of the disposal site. <br />No attempts have been made to monitor or control leachate since <br />the waste materials being disposed of are inert materials, for the <br />most part. <br />Since the ground water Level is reflected or is apparent in <br />the existing hole, no monitoring wells are in use and.ns.monitoring <br />program is being carried on. <br />The -disposal site is and will be used for' farming purposes. <br />As portions of the hole have and. will <br />these areas have been leveled <br />in with the adjoining -field and planted to grain or alfalfa. Upon <br />completion of the Pilling of the disposal site, -it is intended to <br />re -level the site and the surrounding fields into a single large <br />field of about 70 acres which will then be farmed as a unit. <br />The operation of and control of the Disposal Site are entirely <br />in the control of George B. Raab, Civil Engineer.. <br />Copies: of :suhat- permits that I have in my Files have. been <br />furnished you. <br />The. surrofiInding-•aress are zoned and are used for agricultural <br />purppses. <br />Yours Truly, <br />George . Raab <br />s <br />' - '-:t:... �.•' .'L-� .. Lam- '.k: �e. 'Z''f�w •P.' _ _ <br />s"' > - �.n :-. Yy a+' .:5..: ..r i ;. �...: :•. �•4 � �.: . �.'':c%'b-' � 1b:n'�'�a i S.ti _x'!��%J... rS.;S.. _ ..d 3 <br />_..>�t�':.=j:. ':.tJe: 3Ci�....::-#•.a•-:?ii:4S;.eti.'Y�`l�::l.� ...h.:� ai�'ox'321"ur.S>^`�:.e_.a,. �..k'�....�,<.�'�i�:;F `s=��. .u2� �..k-Lu - - <br />000040 <br />