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TEL~1-303-629-9335 Oct 14 98 14 22 No .001 P.02~y
<br />GREG LEWICKI
<br />GkEG 1_ELIICKI TCL~7-303-62q-q3~`_~ ?ill 2~_.51R__~].i'~22 NIi.CICII ('.p1
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<br />~/2Pi12 ~RF-xo ~~CtJjl1,~/ `'.,+ i,jS j~rl4Y~R-~ ~...f :.
<br />Levels of pH et This site range from 6.I to'J.2~~,:Gji .,i~ ; ~ N~~ 3 5~5,;..b~l?.,. ;, ,,;';;.
<br />This welt nQ~p~Jy records EC's in the.[nnbb;;nj~ ~" 700, however, there"c .. ,a.,.ls~~{~;`;j;l; ;rz~;~4;~~, •. `
<br />4 ~ .. r,a -;..tt c
<br />times when, according to P&M's enviroriitidhfei'~i;~1 t1~~er, mined overburden Ire's ..~'•`~ ~~: ~ .
<br />r q;;~,~ ~,{lry i<
<br />leached some salts into tho alluvium and`•httgc:l4-g{Ilj~;in some higher nunib~`~;,'~i~:~',,~7~i~:+;.;~~ ,~
<br />as the CC of 2610 recorded on 10/18195. Mudh'seY!'~~Iti±~$i+crcased saN is due i~ tii4ik .>iFf,:zi~ll: ;; ,;ji'~
<br />in sulfate, magnesium and calcium, ll_,,~.~ •~~r+':•~t4~4,-: ;fir
<br />There have been no known ei'fbcts`on the'8ttuviitil'~gfi~i:r Uy the mining or al+c:~~'`~`~~,`~?;'1 :~f, •'~ ~ s
<br />reclamation of the Apex site. During reclamation, vt~lithl+ks were removed in q.safa ..:...':.;..:. .:.. ~.~ j
<br />way. Any oils, greases or other chemicals were?tt;inp+Id$ witfi no spillage: No,,visifile,;;,,,~'',~.:;.<` is
<br />i";. .. ~... :.}}. ..
<br />contaminarion of the soil or subsoil was notior;d'iai'; 8rjy, +ime during the reclatrretton;, ~;:;, ; ;; ,, ~,,f~,;.l• !;
<br />Due to potential quality problems'with the 1i~,1'~~.°~(.,s" location from dowty,S~t?ppm ; l; °a.^. ;',~_ '
<br />sources and since tho TR-1.5 site is a Eigeffli:a~"'1#t~f~ii~c downstreem,.Sunlahd:~t;"q;; ~::~:;~)•~'i ~' %~~ ~ t
<br />agreed, at tho wishes of the DMt3, .to abanddn tiid~i~se;,~rf the TR-LS data aiid to '' ::' ..::: ": •y' "
<br />sample groundwater at a point immediately dow~isi~~af?i of the mine disturbed atoA~ Iasi '.?;;'. .,: ,.r, .
<br />shown on the revised Map Exhibit P-3:'Ghis;clisfig'~ivi~; take affect in the fail of 1447:.'•.;'; '";: ~yi'
<br />The new location is on the Reumae.->t w.,.as:.::-.:f ~9:a;x .. _,..__:._....:.....a.v,,,. ,:;.. .., :; ;.
<br />wul oe uses w save a Aalvanized steel pipe~of2,"~ai9afi{etcr into the aNuvium.~,~water,,js~ ~~ ~;~. ;..,:~;;;,~;:
<br />expected to be reached at 4-7 feet below the'surfei8e.'Sii+npling will taka plocc insiilc cs:: :;.,
<br />the driven pipe. Unce the hole is driven 2 feDt•.tiellSw•.tijc water level, the dri4e .poinj~ ; . , ;s:::.;.:;~ '~
<br />,,•;
<br />end the pipe will be removed and a 1.5" inner dlerrit;'tcri'PVC pipe with a slotted ; ~ `,r"
<br />,s::?c f+
<br />section on the bottom will be instellad in the hole,-`I'Fiesslots will he fi20 size, ~ .,. ,.,,:~
<br />providing 2.15 square inches of open area per lintiel~ fobs. The slotted aetition will: tic; ~ .,:;,;~
<br />5' in length. Once the PVC pipe is placed, lifter san.tl wlll he placed on the outside of. ;
<br />the hole over the lower 5' depth and clay will be:'placed'on the remaining upper.
<br />portion. Mr. Hob Baumgertel has given permisaidn °for tlic installation on his property., „ ,
<br />and for tri-annual monitoring of the Bite. "~ ^r;; ~r ~: - ~. ~ ~ ~ ' ,
<br />The sampling program for the well on the Aaur+igunet;`property is described under , ~.: ~~,
<br />"Surface Water Monitoring and Sampling" on pnse tiSalC+. The sample from thai well ~. ~ • ;;, ,~
<br />which is collected each year by August 31 will bC aitialyzed for the following ;. ;:.
<br />parameters, in addition to the field parameters listlt~ for t1+c alluvial wells: ;{}
<br />. :,
<br />d nitrate-niiri°ed l
<br />total suspended solids calcium ~- ~~, ,,,~
<br />toiat dissolved solids total iron IFS`"' ' silvcr~cf~. >'s+
<br />tote) alkalinity manganecey8~ sodium d
<br />~,. ,•~.
<br />aresnic G~ magnesiuM d sulfate Q; ~ / ~: !~
<br />bicarbonate ~ mercury ~ zigc,,!4 ., : ,
<br />6~~ ~,~-
<br />xcvlred.B p6 y7. ' - ~ ~~, ~ ~~ nR~ ~p~ i
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