Laserfiche WebLink
iPi'3. -u J �'3cL `{ y.—�i^i :S .i'•. s ,''f j - +3i',n� �y:�j�s'!�'+,.1�V <br /> _ `Yi.j-G,.o ''i` r'.,�'.i ,c"�'"'x ui!'� . •o ,�'s- .,s._ ��v- �� .•er;y. .rx• ��. '•ten: w.�, <br /> •.Nnr - o.. a��s <br /> Ms. Diane Hinson <br /> - April 13, 1990 <br /> Page 2 <br /> Becaw:of the cxlstance of a 4-foot layer Of free prc-4uct In monitoring well MW-x,an air-operated <br /> [rte product skimming system was immiled at the site as an interim measure to recover as much <br /> oduct skimming system, <br /> free-floating petroleum product as possible. Prior to i:stallatiort of the free Pr <br /> free product was manually balled from monitoring well MW-2 weekly. <br /> 1 <br /> Eir•nase <br /> ' Ile Igtinterim litles that have be n <br /> ion r ruction. The folfowing infonatonisInluded: <br /> conductedAl.a'. thl = <br /> . ',a plans and desig�t aasumplidlys tus1 in design, the manifold =ysitm <br /> mon`term at thy-, shit that will be employed during ow <br /> • Tha pians, maintenance, and .orlon <br /> of the interim product pumping sys <br /> „ A p*o]eci schedule for additional site assessment and final remedial action Implerrentation. <br /> 710 scope <br /> o:work completed since subrudliat of tht prel3m11121 soil and ground water investigation <br />' t results on March 6f 1999, is as follows: <br /> Instntiation of monitoring wells MW-8 and A3W-9 on March 19, 1990. <br /> F s . Aground sinter pumping and vapor extraction lest was GOndil:.ted an lvlarch iA and 21, 1990, <br /> W obtain hydrogealagic data, hydrocarbon concentration levels, and flog parameters for• <br /> remedial-ys:am design, <br /> {.., . Construction of a fenced area to house inierirn product recovery equipment and product <br /> storage. <br /> Jf <br /> ti ce to operate the interim free product skimming <br /> Installation of a temporary electrical servi <br /> equipment and subsequent remedial equipment <br /> l . Contact v4th the following agencies regarding permitting of remedial equipment and processes: <br /> 1. <br /> ' Fire Department was contacted regarding temporary product storage <br /> :ht Stockton <br /> f ' raatlldng from interim free product recovery operations. <br /> of <br /> Tho City of Mand alsoregarding <br /> longterm dischkton was conflicted regarding grgelof g ou:id watery resulting from <br /> sanitary sew <br /> ,.� remedial action, <br /> : 'i he fan Joaquin County Air S?ollution Control District was contacted regarding ern3sstons <br /> from the vapor extraction test and the long-term discharge resulting from a soil venting, <br /> system, <br /> i <br /> electrical service. <br /> Local building authorities were consulted regarding the temporary <br /> f <br /> SN <br />