Laserfiche WebLink
=_- � 3 .©. ,:-'�.� �:. -�•�.p---•-4� �-_-� _ -sem='..e`�`�� ykr�,:��t _ - =.�,�r: �;..� aVii„ °. _ ..� <br /> CMAT2AC'1'f:Rl7.��'I'i <br /> Two soil units were identified by Cal `l'illk 'Testing during tklell' filo!: <br /> removal work. The LlppC!' Lilllt is prcdol feetten`ltkx tl ly sandy and <br /> unit IL!c <br /> from the ground surface to a depth of f <br /> soils are silty cla"s with ►ow permeability that extend to an <br /> the f"'I'ler <br /> undetermined depth. Within the boundaries isan y unit arid extends <br /> excavation, the fill material replaced the sandy <br /> from the su1'fanoinllf bottont jf L11L� excavation. The depth of this fill <br /> material is show <br /> I-I n 1, xY <br /> w tile <br /> und surface. <br /> Tile groundwater!'level <br /> flow direction tlY 55is north�withoa gradient Ut of 0 00" (3 <br /> the grau00 <br /> Ong <br /> feet per 1000 feet). Groundwater ter recent yecirs educt t 1}th cbeen <br /> Pers stcnL <br /> several feet per ylevel <br /> ear during i' <br /> drought in California. <br /> ch <br /> Surface intermittently. area <br /> N10 Inonit5 ougl r 1.nsnf omgleastlito vest <br /> ws <br /> only internerm <br /> approximately 114 anile to the south of the site and empties into the <br /> east end of the Stockton Deep �Vatel' Channel about 1 mile northwest <br /> of the site. <br /> SAIL ENW,STIGATION <br /> A sail investigation was performed in August 1989 by ERM-West to <br /> 1 tical and horizontal extent <br /> obtain a preliminary assessment hay el remained in the soil following <br /> of any contamination that may <br /> removal of the tanks. The in <br /> involved 10 soil borings below <br /> and adjacent to the backfill material (figure 1-4}• <br /> Since the proposed wol'1. involved disturbance of the subsoil, <br /> of our <br /> Underground Services Alert <br /> ile <br /> etvs was <br /> The following utility as utilitiescompanies <br /> Intentions to do work a <br /> inspected the site: <br /> • MCI <br /> • City of Stockton <br /> 1-G <br />