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2015 CITY OF SANTA ANA GROUNDWATER QUALITY <br />Chemical ' MCL I PHG Average Rangeof I MCL I Most Recent I Typical Source of Chemical <br />(MCLG) Amount Detectmns Vclatlont Sampling Date <br />m�mrmvd <br />10 _ <br />_ aaa <br />1JU _ <br />za <br />___CA _ <br />E <br />rN I DR __ <br />emarpppm a: NCO <br />Nm RVg�lorm <br />_rvo <br />D <br />rv� -oteE <br />_nia _ <br />w1s <br />IUepRo <br />Nor'srf""LL <br />Iuortl�l 1, <br />2 <br />na <br />030 <br />OtE 00J_ <br />_u <br />lO S_,E <br />fN 1_jl _ <br />___ <br />Hexayalen_y m ybj <br />o <br />__ OoL_ <br />__,a1,_,_,_ <br />N0 2>_ <br />___NO ,__ <br />2014 __ _, <br />E, - rN alp jlosul tl - IIDS'cl arge_ _ <br />H aneser II�_garL__ <br />N IRegularaa <br />_ 102 <br />669- <br />No <br />IDts <br />R f' tl9 Nrrom r V ,1—ang1— <br />rare(ppm if <br />c <br />10 <br />2'S <br />ND -b2 <br />5 p ks' Js age r al Uep -, <br />C <br />Nol nedAaretl <br />,,,. <br />rJ_ <br />_6.A -21 <br />L.1ang or. <br />nenoH and Lea5M1Sn81r8e <br />Nllrafe+NlrrlR 1ppm as Ni <br />10 <br />to <br />115 <br />NU -J.12 <br />rvo <br />2015 <br />ErUSlone. Nai <br />S"Is rn I¢ puuu <br />Unregula[eE Chemicals <br />Nlallnl(groral(g�a5CaL03 <br />Noulegmmge <br />_ _q /, <br />1JU _ <br />_Lee c' <br />___CA _ <br />__ IDas__ <br />Eroson Dlrvawrol UeWSe <br />emarpppm a: NCO <br />Nm RVg�lorm <br />_rvo <br />_zoo <br />lea -2eJ <br />_nia _ <br />w1s <br />E,oa'mn oruau�amvv�n= _ <br />apron w_ <br />we =i <br />na <br />m1_ <br />No =o __ <br />nla <br />zols <br />_ Ero:mn orNawrai gnat, <br />cauWm lPP _ <br />N on" -I <br />J <br />J32 <br />3a5,130.. <br />nm ,_, <br />___?_ms ._._E <br />rN Dfo51,__�__.____ <br />H aneser II�_garL__ <br />N IRegularaa <br />_ 102 <br />669- <br />N_ <br />o" t w[al UeQo51s <br />fl Gress,_ I(PC sCaCOi) <br />NI11 g retl <br />_ ry_ _ <br />262 <br />_,_, 110_O2J <br />E N oral Deppsl <br />Nol nedAaretl <br />,,,. <br />rJ_ <br />_6.A -21 <br />_I.leynq:_m(ppJ_____ <br />_pHfpH ullll�_ <br />Nol llegulare0 <br />].9 <br />__]J_ A1_ <br />_ <br />MIpRy, Hydrogen tulle _ <br />4c- 61"n_o!N9 -1Isr, <br />9oluzumrpy 1 � <br />N B fletl_ <br />_ nra <br />2 <br />— <br />5 <br />_ <br />Sotlum�1�1 Wye <br />Nol g 11etl <br />M2 <br />JOA66.5 <br />nla <br />�a015�E <br />N IU pas <br />a = average is less than the detection limit for reporting purposes <br />"Contaminant is regulated by a secondary standard to maintain aesthetic qualities (taste, odor, color). <br />* Hexavalent chromium was included as part of the unregulated chemicals requiring monitoring, <br />* ** Total chromium is regulated with an MCL of 50 ppb but was not detected, based on the detection limit for purposes of reporting of 10 pion. <br />Total chromium was included as part of the unregulated chemicals requiring monitoring. <br />2!135 <br />WAFER <br />REPORT <br />EXHIBIT 6 <br />75C -82 <br />