ARCHIVED REPORTS_XR0012608 - Laserfiche WebLink

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----Fri: &&' M. MUM x.. i-. x. s•a�w e, �Y `' x - ,� 4: !F s 3 �x rlx.y.ie��. r ' " t ,fga-.. t , r. s 9 �lr ; .' s r._rat 5� a _ a4ar f": '":�nc{t : .s �s3rc �u s. t a sroaa_44 � N .. ✓ ...N 5:. :.. ri ..n, e. �-7- 1 a;.-,�a f' ,.�«-.�,- '�s -:.r?{ n.Y.3 ?9 '£.�z�+ ". '." 2 ?+ e. + `.,a ''� ��°`�--�':�.�: � � r �'xa '_? is N �.Y ^ �ate,^' :� �. - �..�3�ara;��:i:...a �� .:` '73 ��ti�.v-�;:�a, ",Fa' - - -.xw""1' �'"'-,a:+raz a,34. .�•=t-.�.:.s..- .- a §4 _ t l,tl ut,k3(13\. ( h;nrt i,f ('ll'.1od% Ercord , .L r+' Hilli;k;c•tl in lilt' lield Is1 ilio I'c ;slu t,t tlk.�t uCOMIl;ulit'd Illy to a i.011;1a1ol crrtific•d 1) Ills• St;lli' of C,lIilnrnl:i Ill Iw1lt+rnl ill(, x l..ishrint�_of €ioJ.l�.r�'� soil cuttirll.., ;+nd sarnpslc* LLcrr lu,:.ctl a isl the Ciiilicil Soil CI:ls>ific:llion S\�;Eer11, ti;utlpl(, not selected for cllcnlicol :leak ,I•, :llid the 'uif in the sa )kpler shtfe L\Ire extruded in Ilia !irld IN I anal eunIIIICd usiIIg %iwu;ll anti In,ulll;II IIlet hods. Lul;; include 1-ecclyds of textus(•• calt,r, kiroisturc. plasticity, corlsi"tcsrlca. blo%v counts. and arty other <'llaractcri tics noted alon); \\lth evidence for the presc•llce of hNdrucarborls such as suif staining, oiniOLIS product odor, and I'll) r'eadilte�. � \[onilorintT-Il'ci! c.'(�n�[rnctissii I I lie EmOflI101'111�; LLellti \Lerc cululrklcte(l Mth tlnead-jointed, -l-mch-inrtel-di:ulieter. Schedule j ��) I7C111"Lilly) CId01'it1L' I l'1 �.� Catiln_L' No cheinic;il cellwllls- Lilies, M'sol4Qllt5 LLCr('. Used In LyC'll i onslruction. The screened pol-f loll of the 1\c it consists 0i I: ool%-I'crior:lted C;lSi ig 11 till 0.020- rs inch hide slots. The well screen e�terlfk Irotu the total depth of each well to appro.xillialely IS to 20 feet below grade. The base elf each \vclE was fitted with a ihreade(i l'�'C' cap. The annular space of each well \vas packed \vith sorted sand 10 a [joint approximately I foot above the top of the scrcell. A I- to 2-Foot-thick bentonite plug was placed. above the sand to prevent ceniellt frclln entering the sand puck. The remaining arintilus %vas backfilled wltli neat cemcnt to grade. Tile delails are shOW11 Oil the l_.ogs of BorinLs. 'File m,ellheads ore secured with cast-alulninulli utility boxes- The boxes have a;lterught seals that are set in concrete :tpproximalCk ;lush with the surrounding ground surface to reduce Rurface in`iltravan and requires a specially designed wrench to open. 'I-]tis (ieSign discourates vandalisin and accidental disturbance of the well. Each wellhead is also fitted wills a locking well cage to further protect against accidental disturbance to the well, Ground-NVater Monitorillt� Devolopnsent Before (ieyeloping the Lvells, static water levels Lvcrc measured urine a JclhEksE water- eye incier. 1'0110\Ling initial iLater keLel n:c:uuremerus, the water in the \%ells Ly.ts examined lot- Subjective orSubjective evidence of li 'drocarbons bL loweritkg half the length of a clean 'Mellon bailer past the air-Ivater interface. The sample \vas retrieved and inspected for hooting product, sheers, etilulsiorl, color, odor, and clarlty. 'I'l..• %%ells were developed using a 4-inch diameter PVC surge block connected to PVC rods alternately raised and lowered through the Nater colunln in each well. Development was performed to removed the Fine-grained sedimem from the monitoring well.