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11/12,1993 15:25 FROM R.U. CIRCUITS. INC. TO 4640138 P.01 <br /> y. .. ---- TO 12091 � ________________ <br /> fj • a-:� <br /> STY "Wtal -F"'shing~Consui i- -+ <br /> d",„JJJ t ng 3arvieas <br /> "s' Street Faia i p <br /> NOV 1 ? 1993 Sacraernto, CA 9sa1a <br /> 19161 442-1063 <br /> ENVIRONMENTAL HEALTH ---------------AX <br /> EALTH __----AXT 442-4778 <br /> PEf I�ISERV,CESaa -----------------M1--+ <br /> On Wednowday do v. ' 1I , 1$13 . <br /> SroOktOrimert of wasfea water storedaatwan devBJ:opvQ'_ t0 start <br /> CA. This play a R.V., C:r'cui• o p <br /> Officers of 8 basad strictt `r` -acitit in <br /> San �ux9ui•^. County DapartmehtyC#r natruct'Ong delivprep <br /> Attorney' A Cfftce' as follow Ei9aith, and District <br /> ;) Waste water attired in Treatment Unit ho' di <br /> faded i <br /> ST-3- <br /> ST <br /> T?:eOe holding ta;?ks .arr ; � ...tanits BTks tt '.be' trYAt <br /> derrt.fied , sT-2 ander <br /> r• <br /> 'un 55 <br /> b1 bee;- I f'-r.+ified-gal <br /> drums containing pent_ dry fi lta stY ip� which <br /> i <br /> ,., 3A and' 94A. h .:,. <br /> OJ Fiver Sb-8a1` drum* cgnta,ning apent sotutfon9 -:oma Sul "Uric and pho"horic acid will be neutralized I <br /> marked as +13B, #8B, t7B, #88 a.nd *sq. rums Th haus Leen <br /> di Then a low pH aGlUidea Pro..uct wl_li b <br /> its con:aine 1 has been aadigd licroetch <br /> . e. <br /> led as ,S10r. a trei <br /> eh One drum containing 15 X by Vol solution of ni_tric acid, a- .. , w <br /> Identified 8. <br /> as g±iD, will tre rleutralf2:ed next. nd t <br /> fJ ext <br /> be , three 55-6 <br /> 4 <br /> l drums containing slectroless Copper rinse, will 1 . .,`. <br /> btreeatad. Trey are 1►12E, 1113E and 014?. <br /> !J Two large tanks 11,350 and 1 ,000 galz; have hpeq .identfligd: gg _. <br /> 'f101-A andf ik10f-8 respectively, <br /> below neutra: vg: ue. rnllCwin They cortafn wi3te water Witt/ x <br /> Attorney David Ire S I structio.s from`D4 ut Pi!11„ <br /> treatment unit and W, solutions will be procsgaed y Dis�r£et <br /> untf : cow 1 = be oiroulatpd as. many tiaele. ay hr°ugh <br /> plately treated_ required <br /> " The abava play. was discus&ed with Al <br /> ianegement, and will be expanded to iclu�earrc and all rema niCiuits <br /> storage t2<r:ka, after a meeting with the agartciep invol�ingad inrr <br /> project has ta �en Place to determine proper procedure. <br /> k <br /> : <br />