APPENDIX A 

LANDFILL CAPACITY CALCULATION WORKSHEET 

BRYAN A. STIRRAT & ASSOCIATES 
1) Remaining Capacity 

Picacho Cut and Fill Site 

Capacity Calculation 

Proposed Final Grading Plan (using 2006 Topo) 

Remaining Capacity as of 7/12/06 77,055 cubic yards (cy) 

(Including Final Cover Quantities) 

2) Refuse (Inflow Rate) received from July 12, 2006 through December 31, 2008 

Information provided by County of Imperial Department of Public Works 

Year 

7/12/06 through 12/31/08 

Total Tonnage 

3) Conversion of tons received (Item 2) to cy 

- Assume in-place density of 1,000 lbs per cy 

- 2,000 lbs per ton 

Calculation for conversion: 2,000 divided by 1000 

1,839 tons x 2 (conversion rate for tons to cy) 

Tons Received 

1,839 

1,839 

3,678 cy were received from 3/24/06 through 8/31/07 (in-place) 

4) Daily and Intermediate Cover Used (5:1 ratio) 

5:1 ratio 1 div. by 5 = 

3,678 X 0.2 

0.2 

736 cy 

2 

3,678 cy 

5) Total air space consumed (refuse and daily and intermediate cover in cubic yards) from 7/12/06 through 

12/31/08 

3,678 + 736 = 4,414 cy 

6) Remaining Capacity as of January 1, 2009 

77,055 4,414 = 72,642 cy 

7) Remaining Net Capacity (Remaining Capacity less Final Cover Volume= Remaining Net Capacity) 

See "Volumes" shown on Site Life Projection table. 

Total Final Cover Volume (Foundation layer and Monolithic layer) 

72,697 cy (rem capacity)- 70,583 cy (final cover volume)= 

70,583 cy 

2,059 cy 

as of 1/1/2009 

):\Imperial County\2006.0095 Picacho FCPCMP Rev\Reports\FEB2009 Revisions\Site Calcs_Appdx A; 2/20/2009 
APPENDIX 8 

WELL CONSTRUCTION LOGS 

BRYAN A. STIRRAT & ASSOCIATES 
DRAFT 

. 

9Z IB 

[-10 ll3 ta 

r-15 110 111 

-20 10 12 

88 12 

-30 87 18 

r-35 77 IS 

99 18 

-45 IB 

12 ~ 5-

· ..·.· 

... 

,•.•. 

. : : . 

11 ~ IG9 ~ 15-

12 ~ 20-

12 rsJ 25-

... 

. ·.·. 

•··.·. 

·.·.· 

.·.·. 

.. . 

16 ~ 30- .. 

15 ~ 35- .. ·.·. 

14 

Top of Ca;ng Elcw. JJ!,l!Z fl IA1. datum 

Coordinate. 

DrDI oate:Start emn• 

0f01 Method 01£. 75Jlig!!!I!=Stem AuQI!OI 

8=fnd! op 

Crillcr Wost Hcgmot)Dqw UcmxN 

-IAqged lly ...;5,illo-I:Itm~a~uumilllm _______ _ 

RII!Mewed by -4 l!g tldl '=:: 

pmlonli~,Uy ~ cyain-.1 1-iiCII tn'ICII c..,ent.ad 

C<Jn9lomerolc: leu 

calor beCQ!IIQ wry pal8 cr~X~Qe (1om 11/'-); I1IObl. 

toler bccar!lc:. pili~ ~ Ill'-. (10YR 6/~) 
r-50 

f-55 

f-

. 

H>o 

E:HVIRON 

1.5 

87 16 

BR.AFT 

00 18 

15 ~50-

~55-

.. . . ·.·. 

·.·.· 

bccama IIG</1U1 ceflaM to '-; cnoW 

t"'-- 2-ftch lllldc dGJ ~· at liO 1\. 

aanc.l11 

~ 

lllcUun.:.....,u,. liM wilh Mma medium oJf41r\11; •I<Jhuy 

to loooc; with ..-eiootol thin ail ond a..,. laminO<I 

16 ISl 60 ....-.:....:· ''"""' 1.-....J Calot ~ _., pale ...... (10'11' 8j:l), 9"Ddn with IP.O= 

ora.,. QCIIIIII 

LOG fl' BORtCG Nil \1101. COOS1RUC110H DETAILS fuge I ot 4 

~ .. ._.., • ~1.11 SC6NI PiCQC;ho Solid Waste rveilily 

Job No.OJ-UleU J.~ 12/J(J[o.t lmpmal County, Cclifomla P-MW- 1 8-22 
-70 

-75 

~ 

-80 

·-B5 

...go 

f-100 

rH05 

r1-' 

DRAFT 

16 

86 15 

SJ 1:1 

111 

92 

7S 12 

98 15 

. 89 

85 IS 

15 ~ 65-

16 ~ 70-

16 ~ 80-

12 rsl 90-

15 

... 

. •.• . . . . . . 

. . 

. . . . . 

. ;.:·: 

18 

. : : : . ~100-

.. 

' 

l::l ~105-

. :-:-: 

Top of Coain9 Eln. J.lQ 82 fl M1 S dohcn 

CoordL1ate:r 

OriO Date: Start 8!)1J94 

Orll MethQd ~ 7:5AiO!JQ'I=Stcm Mo..., 

D=Mt 00 

Orlltl!l' W Ha!!llal./pgye Nr:n.....,ccb ....... 1 ____ .....;.. __ 

LQqged by _.;1!:-!Ti~om!l!.mwow.n ______ _ 

ReYie~ by R H:r!loh ~ 

qrad" with flllri4d lnCR~D~~ In ~~ canla~l al 70.5: calor 

IIICOIMI flU ydu.W. brQIIIn (IINR G/2) 

c;,ndes to a hadv waalh1n:d do~r $41. tolor beaxnes vtry 

pac aran~ (lonl 8/2) oml chdlhr 

VERT PIU OIWIGi -:-(,-O"'K-,-/:-::Z)_FlN_I:_I_O_Lt_CD_IU_LI_$Atj_O,_tl~IIJ-h-lly--l 

a>hlllli.. to loon. damp 
10 96 16 .. 

. .. 

. . 

~ 

. . . 9l 16 'l""'• ~ f"e!IOmto ... uy m-...,- sand: col..- becama 11 11 .. JWII• )'0110101111 llr'!WI (tO'tR &/2) 

. . .. . oR AfT 20 ll2 14 

E:HVIROH . l'rJ.ge 2 0/ " RWRt 

LOG lF BORNi Nil llfll. OlfS'1RUC1I(]N ~TAILS 

~ il .._".,. ~ ~ Plcacl\o Solid Woste facilty 

.loll Her.03--f0!1-M oncdl t213o/s• lmpet!GI County, Callfomfo P-MW-1 B-22 
DRAFT 

ltl " 

r-130 00 15 15 

-135 0.0 10 

0.0 00 IS 15 

-145 0.0 10 10 

-150 0.0 18 10 

r-1'55 0.0 10 liS 

Hso 18 0 

r-165 0.0 18 18 

~ 125-. ·.· . . . . 

. :-:-: 

~135-

~ t5o-

~ 155-

~ 16().. 

~ 165-

.. 

·.·.· ... 

·.·.· 

·.·.· 

SP 

Top of CaU!g [I4Y, .\59.82 FT. Ia. C)Q(IJm 

CoofdinG let 

Otill Dole:Stort nhz(g4 F"Ullsh !$!24/94 

Otill Uelhcd CNE ?;SIHo!low-Stam t.ugm 

!Hnsh 00 

Driller • Wat Hmmat/)]gve l.tqgs;d!j 

Logged by S. lemmon • -----

Ra-Hw.d by ... R JffldfrfrS=:' 

I ~\ \ 

. ·\ 

, C)-\ ,/--·· .. 

h. damp at 150 n: caor becomes f'llowbh brQIII1 (tom :J/4.} 

I '- ~ 'lrtlll ~ lllle-9'Git\Gd $01111 

oli!JhUy obnp dl U14.S IL 

'f'ada with -.. .. ~ 8X1d D'ld .. bn.mdwd fJI"CC't'CC Cllld 

au~kn' Ulhlc II'Gq~Untl, rnaxnum !ll"MM .. 1.5 mc::o 
. . iub'IIICJUI« ~lhlc lt~ts. rnGXi1lum I,IRMI .. 1.5 ndn::; 

170 88 IG '. 

... ll"ebnivallr Clllr!lt'"IJ"ained Stlld !Iilii Clllprox!rnaleiY I~ 

:wbnlundcd to :M anqulvr CJRI"* . . 

. 

'175 G7 .liS 11!1 ~ 17 l"'lldolnll'lcmlly c:---gnMcd -.cl with '(51'1: Qnnd 

. . . 

. . . . . 

180 90 16 14 1918 oRA.fl 

Page 3 O/ 4 m~~ 

P-MW~1 8-22 

ENVIRON LOG rf BOfttiiG NfJ .:U. COHS1RtJC11Qot OETNLS c-.~ r. ~~oa~u. n {nWaniWIIol St.ilftca Picacho Sdid Waste focility 

Job No.OJ.:.-40&4A 4 12/JO/Q4 lmparlcl County, ColilomiG 
~-<-190 

1-

:.. 

-195 

'-200 . 

1-

-

'-210 

-220 

-225 

~ ... OJi 

""if l .. 1 ~:;; 

• .... 

I 

tl 

ll 

l 

~~ .:i. 

O.Q 

!~ 

'l 

b 11 

.:t 

DRAFT 

05 1G 

Ill 

liS 

95 14 

100 10 

IS 

. ,. r 

! -'. J .xJ\ ' 

/1 ' _t_., • . c:.. \ .. .. 

I • 

16 

16 

I !I 

14 

10 

Ill 

.. . . . . .. 

~ 185-

... 

Top of C4sinq Elev. ng-DZ n. MSl. dgtvm 

Coord'mates 

Dr1B Date:Start 0122/94 flnlsh §/2-4/9-4 

Orfll Uathod OdE 75/Ho!!ort=Stan Auoca 

tHnd\ co 

DrDier West Hm!d/Qove Ucmedl! 

_l.ogl]lld by _;,S. ..... TI.Jja:!ll!!l!J!IW.IIIm ~--------

Revfewe.d by ~ 

~ 195- ::::: 

mlllsl al IU.a II. 

J ~!i-iui1 lhlck -..-llld Gllllgiiii'MI'D~ 1D)W 

llt'it IIIICOI.IftW6d INter, w.tlt (tom 1~200 ft. 

~200-

tSI205-

. 

... 

. ·.· . .. 

21~ ·-·~-L-----a __ c~~~--Wd __ ~ __ ----- 10--IL-------4 

215-

. 

220-

. 

225-

DRIIJ.JNG ff01CI 

I, Doriot'~ ~·~~ G' q cl•plll Ol :Ell r .. l M l/1~4/114, 

2. Sai toMpiH ww coll~ttd by drhift9 a CGIIrcn!G drift ~ (Z 1/Z-IIICII ID) aciYanced b!r a 110 Ill. hammer IOflrtQ 

30-lold\H. l>411'1pli19 !'MIIIOnH WCII t.coc'dld liHin<J ClrlllllfJ• 

J. 8or"o 109 lndkcrtH wbiUftoce condition• Clldr at U.. looaU4n 

Gld lime 1M b«inq waa drilled. 

4. rJdd e.lrnotes or percent crCMt, sond O'ICI rr1es are snown tn 

pcranu..,.___ \}.\ ("'_ \... \.-

NONT<RNciNOTESI - v 

t 2-.. CII Clcnettr PVC monlt«tlQ wei mtalled to a d~tn 0( 

2Da.5 leCit on B/2-4/84-. 

2. Sa-. ... inl.....,. fnm 111.3.5 lo 2011.5 fool: _,.jpock ftam IBI to 

2.11 loel 

J. Stulic 9r0Ulld wier ICM:I rccotdod at a deolh of 20J.I7 rc:cl bdo• 

Ill!' {If Q:lf""J on 11/17/94. 
-

. 

-230 I 230-

1-

t-235 nst-240 2-IDott~ft 

neuta: €NV IRON f'age 4 of <f 

LOG OF SORI'(G N«J 'M1L COHS'IRVC1tON Of:T.Ail.S 8-22 ~~~N--Il"; ..W'"'-- Picacho Solid Waste FacRily 

Job P-MW-1 f(0.03-4<RI4A Apom'll!d: 1Z/3>.11' Imperial County. Calltomlo 
DRAFT 

f-10 6 0 

-15 0 

-20 !10 16 a 

-25 100 J 3 

t-30 

t-35 

l-45 0.0 IB 17 

~ 1QISJ 15-

~ 20-

ISJ 25-

jQ35~ 

40-

. .. 

. ·.·. 

~ 45- :.:.: 

. . .... 

Top of CmlinCJ Elev. 31&.43 fl. USL ddlum 

Coordlncrtcs 

Drill Do to: Slort n 12ft lllf 

Drill M~lhod CL1E 75/H!ll!ow=Stsn ,!ugg 

8-lnch OD 

Drillc:r Wmt Hmmot JDm... Uo'liGSibl 

logged by S. Tanman 

-Relllewed by -dl lim llr!t=V 

meciJn Ia cacrsa sand with ~Ill .,-owl calar bcames liclnt "'-n~ 'I"I1 (IO'tft 6/2) acauo.na lil)h!IJ c.......,..lg.~ (CaCCJ) 

lo:nsa 
_.....,.. ... IOO'JC. err 

·.·.· 

0 50 

55 .. 

60 DRAFT 

E N v I R 0 N LOG (I" 8(RtG HID WUI. C(J(5lRUC'DON OETAlS o.oow -. M..,. .,.. ca-w s;.;... Pical:ho Solid Waate F'<1cU1ty 

Jab tto.OJ-«1&4A Aocwo¥eet llr.D/94 lmportal County. C<lllfornla 

Page t oJ 4 I1W!C 

P-MW-2 8~ 23 
DRAFT. 

f-65 0.0 01 18 

-70 

1-75 

-80 

l-85 o.o 18 

f-90 

f-95 

t-100 

-105 0.0 86 15 

12 ~ 65-. 

.... · . 

. . . .. . . . •.• . . . 

. ·.·. . . . ' .. . 

70- ·.·.· .... . . 

75- ·.·. 

' 

ao .. 

. . . 

. . . . . 

' . . -

12 ~ 85-

90- .·.·. 

95-

10(}-

12 r5J105- .. 

Top of Ca:Jing Elev. l16.4l ft. LISl dQtum I 

CoordinGlss ------------- • 

DrfD Date: Start Ulal91= 

Drfl! M~thod C!.lE 75Afoltow-S!!!!! AUQ!!f! 

!tilch 00 

DriDer W.t Hqrmqlb'lc""' UQ!'PCCbj 

l..~gged II)' s. TDIT1mf.tl_,_ ----·-- I R4~by~ 

~ , • I \ -

HlCf1 Utldc l'llocferale braw (SYR 4/-4) Sal)' day la)I!J' al B4-.5 

n. ~ J: b madam hi __..gl'ah.l, ~. lllioj~Ur cahaM: to 

rlnl;h thick l!lodefote btoflll (~'tR 5/4) lilhr day lens at 104-.5 

1'-........ ;, predOfllinGntly fr>o to II'Mdl11111-grohed, cbnp, o51.!hUy c:Ohc:rivo to loo:M 
10 

-115 

20 

"'- ,....,. b prcd0111iot~fy me lo II'Mdlum-oyoi'led. cbnp. aghlly coll~ve II) louc 

DRAFT 

l'rla~ z oJ 4 I'DJR£ 

. P-MW-2 B-23 € N v I R 0 N LOG (]f" amNG NG EJ.. CONSTRU~ DETAI.S 

- ;,. - _, r.wr--lal Go1oMo Pfcqcho Solid ¥/Qste Focillty 

JoD Ha.03-4CIMA .trorowet 12130194 Imperial County. California 
DRAFT 

r-125 0.0 18 

r-130 130-

. . 1 'Z~ • • ~ 

IY<r •,• , 

:-140 140--

1-

-145 o.o 87 18 

. . . . 

• <<· 

t-150 150- .. 

.. 

. . . 

f-155 155--

r 

-160 0.0 go 15 

15 ~ 16(}- :< 

·.·.· 

~65 0.0 Bl 1-4 16 ~ 165- . . 

Top of ~ Elell. ~1§.1-' n. ht$.. datum 

Coordlnote3 

Drill Oate: Start ...Am/94 F'mbh 8/29/94 

DriU Uclhod . GfE 75Mo!Jor-stem Augm 

8-ineh 00 

Orarer ~t Hmatmowt Msrpc;an 

U,ggllld by .....,S.IIII....!..lT9!!J!~!.l!!ano~-___ __ _ 

Re\'lewed bY : ft·"'T'!e• lletfS.-. 

sparae ~ (Ia 0.5 itdle:l) 

----- _G~J' '·.::~~.~_..;, 

socne ~n1wl (lo 1 t1dl) 

1-incn lhld< modltol• "'-' (SYR 4/4) :allr day \aas al 14ti rt. 

1-ildl tllldc ..,. Df diiiJUIOr IIIN4 ~mcnb at 160 fL 

ycry clomp I<J malll Cit 100.~ ft. 

l-h:h lhick c:tm .. t.d (C4COl) ~ I""" al 1M.!i rt 
~ ~ll 

fJ-W'Kif1 U1 ..... ~··-·-.-. ,~, ---- -· ·--· ... 

1~ 

... 1. . 

70 i 0.0 ~ 18 18 :' 

: 

': Ia 

.. 1(} .. 

.. ~t.-1 {CaCm) mild lens al 171 II. .. 

. . 

~17 

:; ~.., i &l 

-175 iac ::: 0.0 8J 18 111 . -

-~ :: ~l t~ : = ~ .. _ 

' = l .Iii" ~ 

'Ill~ :.= 

• ... · = lo(e ·= 

80 1=· 0.0 33 18 18 

.. 

rs. .. i (ltd .,_,.,.., -1« at 17~.5 11, (Cd!utcl.ad). &... Ia 

.. meddn-o-Gi~ llll'ld ... 514 PALE "1'W.D'1«SH 8RO'I\tt (10'tR 6/2) Sli.I'Y SAND, - 5lkjl\tly 

.__ted (c..col) lrGQmcrtb. "luraled 

. 

. 

II\ SP ftlt: TO umw smo. ~qc~H. sou.r•tw ,., 

~ 17 

1Sll8 DRAFT 

E:NVIRON lOG Cf IKJiJHG Nfl WlflJ.. COHSm~ DETAILS ~ h Hooilll IOid ,...._.. SCillc:a Picacho Sdid waste fGQIIity 

Job No.oJ-4o844 ~ ,

2130194 lmptrial County. C411romid 

Pa.gr: J 0 I .f FIGIJR[ 

P-MW-2 B-2! 
-E 

8:u 

il 

H85 

H9o 

J, :~ ~ {~ 

~ ~ ;: ~~ ·i ;:: i' 

~1 ~ i = :4 I = f .~ 1 

~:- i = i .1!1 0.0 \~, 

~~ 

li! 

I-' ; E ~\ j~ ~ . -. 

1 I.~~~ 1 . -• . .. -. '\:l?.. m 

H95 

t-200 

-205 

-210 

t-215 

~220 

~225 

DRAFT 

"":' 

7 8 

~ .... '"" .. ~ i ' a 

"c :,: iii 0 Q! 

111 Ill 

Top cf Coiing Elav. 31M:J n. MSL mbnn 

Coordinates 

Orfll Oote:Start B/26/94 

Dn11 Method SjME IQitJg!!ott=Stem A!Jqers 

8-~ OD 

Dn11w 'Hal Hgrmg!IJlm Msms:t;bj 

LDgged by s. roavnm 

R4!'Jiawed by ~ 

~M~~I1d~~~~~~~ 

aamplc eollcalod rot o-t.dmioal ~ad.,m al 185.5 ll 

' .... 

1910~~··~~--------------------------~ 

195-

200-

205-

210-

215-

22o225-
t-230 230-

-235 235-

t-240 240-

DRAFT 

E N v I R 0 H l.OG lF BORN; ~ 'EU. CClfSTRUCJ10N DETAI.S 

o-llll a 11ea111 ... ~W 5dl:nal Picacho SOfid Waste raclllty Job No.03-o408<M ~onnad: 12/30/IH ltn~Of County, CoUfomio 

Pa.ge 4 of .f fiM£ 

P-MW-2 B-23 
0.0 

r-10 

-15 

1-20 

1-25 

1-.30 

f-40 0.0 

nn 

DRAFT 

II 

lSJ 1~ 

. ·.·.· 

... 15- .. 

.. . . .... . 

Ill 

r5J 20-

10 

"' 18 

m '"' tl\ n 

·.·.· ... 

25-

. :: : . ::: 

35- .·.· 

45· 

. ·.·.· 

·... .·.· • 0 ~ 0 I 

Top of Cas:ing Elov. J13.1J ft. Ia IJQlum 

Coor'!Wtat.es 

Dr11 Oate:Stort 8/24/94 

DrUI t.dethod CME 15Mgllpr·Sin Auqerc 

8-t\ch 00 

Driller Wect Hqpnot,1Jm!! Nmch! 

l.ocJg.d by -SM.IT.jl:ll!llllmallllll.n_"7"" ____ _ 

Reviewed by ~ 

UGIT ~ (liYR &/4) FIN£ lC UEIIM4 SAHD, with 'T~ (t, 1 W.dl). kocltM. n (1~ '7'QWI. 1m: CCIICI, ~ ~"') 
0.0 

~50 . 1'-~ 

f-55 

-

Q.O 

-60 -

E: H v I R 0 H ~ h HilA!- Dl---1111 ~ 

Job .... Ol • 4084,1, ~-4; 1:l/JO~ 

.. 

. . 

. . . . rn 18 

~5o-

.. . cparu CT.,..w (ta a.5 hdo, ICJ .. 

. . .. 

. . . 

. . . . . .. 

. . 

. . . . . . . . 

. . . . . . 

55- .. 

. . . . 

... 

. . . . . . . . . . . . 117 1tl 14 

fSl 60 .. ~ anou1« crcrvet (to !! ~ 

DRAFT 

flQJRE f'o.~ 1 0/., LOG rK 6aaNG ltHO l£ll. CONS'IRtiC11a. DETAILS 8-2" Pk#uc;hu Sdid Wg:rte FoQUity lmparial CGunly, Call(omia 

L ._, 

/ .· l ! .. . \ .. ~ 

-·· ·' 

P-MW-JA 
1-70 

1-

~0 

l-85 

.. 

.. 

f-90 

f-95 

r-100 

l-105 

0.0 

Q.Q 

0.0 

DRAFT 

liS 

87 18 

10 

8$ 18 

14 r\1 

l] 70-

. 

75-

.. . . ·.· . 

. ·.· . 

. . . . . 

... ·.·.· 

. . .. 

14 

. 

. 

~ 80 ~ . 

. . . . A " • o • o 

85-

12 f\1 

Ul 90-

95-

111 f\1 

UJIOO105-

~; ,. "' r-'1 

Top or Co&lnt E1eY, 318.1! ft. Mst daN,m 

CoordlnGte' 

Drll Dala:Stort 8/2.&19! F'i'li~ B/J0/94 

Oril UcU.od cut 7!\Aid!qp-strm Aug~ 

_&:~z:::,~.,JiiCill.b .J.OOBL-------~ .. - ---

Drller Wsl Hazmgl&Jm U!l!l!cs!JI 

lgqged by _S:..-:f...,.(ll"ll:.::.man=.,_-~----

lle~etred by A:': 

OCCG3ottal 0.5-J-ilch latsa al slj,jtUy untiiRl•d (CaCOl) sands 

t-id !hie* madetuta pllallbh ~ (10'IR S/4.) eto)'ey 1111 1- al 100ft, 
92 13 Ul 

~ 10 11 

.. 

-1-15 . 

0.0 87 14 .. 20 

DRAFT 

€NVIRON LOG Of IJOftNJ 1HJ WlL camRlJC1lON OfTALS ca.- .. --.,.,. ,,. w.... Picoc:ho Sofld Wo3te Focility 

~ Ho.0~-4084A ~DCll"(m!d: !2/J0/94 Impend County, C.,lifotrcic:~ 

Pa.ge .2 of 4 flO.IlE 

P-MW-.3A B-24 

·./ 
DRAFT 

,.... - - - e.,g~ 

~0 t: 6 i. ] ~ tl 

J-.~-tL#JI!ill"i8---r---..~n--...,....---....:O:.;~:..:......• i1 __ } .~ ~ ~ !l ... ~ ..:iii=--_:O::....__:~:::.._.,;:,O 12,. en en .... 

t- ·-- Dl ..... :;:;: SP 

IfH25 

0.0 

~30 

-135 

-140 

-145 

0.0 

t-150 

1-155 

ff-165 

nn 

89 18 

86 l.!i 

125-

. . .... 

tli ~ 1

30- . . . .. 

'•'•' 

. ::::: 

135-- .·.·. ... 

. ·.· . . . . . . 

. . . 

. . 

. ·.·. t4o- ... 

145-

... 

. . 

. . 

.·... · .. . . 

. . 

.. 15 Kl 

Lj 15oISQ-

.. . . . . 

.. . . ·.· . . . . . . . . ·.·.· 

165-

.. . . . . . Q., ,., w ,., • • • 

Top af CcHIA4 Elev. 318.13 0. USL datum 

Coonllnates -----------

Crill Date: Stat\ B/2f/94 F"111lsh e/,s>/9+ 

Orlll Uethod C!4E 7:!4fo!lqw-§~M~-.... AIJ::.~oz:f!.:.ll ___ _ 

s-ndl m 

Drilte w.:n HgR"'rJbmte ucoccn' 

~··d 

loogedby 

by 

~ 

.,d~~!lll;ll;~;;._-----

G-.,dl lhldc wcalcly Ga~~a~lcd (CaCCJ.l) ro~~e to mel!i~m q-aine<l t.atd lalt 

prslcnWr....llp-~ .-..!, loa• t.a :diqhUr CDhni"'- .,_ __.., Jt-&.Aia.o __ _. .... lt'Jt-t\. .. \ 1---
c;ll 

::~ 

~~ 

170 .. IS, 

~ 

il r ·, 

.. 

; .. 

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P-DW-4 8-2 
APPENDIX C 

SAMPLING AND ANALYSIS PLAN 

BRYAN A. STIRRAT & ASSOCIATES 
SAMPLING AND ANALYSIS PLAN 

Groundwater monitoring for the Picacho Cut and Fill Landfill is performed by GeoLogic Associates. Since this facility is located on the Quechan Indian Reservation, it 

is regulated by the Federal government. Sampling and analyses are performed in 

general accordance with the sampling and analytical procedures included in existing 

U.S. EPA guidelines, as presented in RCRA Ground Water Monitoring Technical 

Enforcement Guidance Document (U.S. EPA, 1986). A brief summary of the 

protocols used for sample collection is presented below. 

During each semiannual monitoring period, samples are collected from each 

accessible background and compliance well that contains water. Analysis of these 

samples is completed for the routine general chemistry monitoring parameters 

(chloride, nitrate as nitrogen, sulfate, total dissolved solids [TDS], and pH), arsenic 

and volatile organics as specified by the Site Specific Flexibility Request - Modified 

List of Detection Monitoring Parameters. 

Table 1 presents the analytical methods and techniques used by the laboratory as 

well as the type of sample containers and preservatives to be utilized during each 

routine monitoring period. 

The sampling protocols listed below will be generally followed during groundwater 

sampling operations. 

• Upon arrival at the wellhead, each monitoring point will be inspected for 

evidence of tampering and/or vandalism, and the well identification information 

will be recorded. 

Prior to sounding each well, a weighted water level indicator (sounder) will be 

decontaminated using alconox soap solution followed by two rinses with deionized water. Each well includes a notch on the well casing to hang a 

dedicated bailer in the well. The wells will then be sounded at the notch, ideally 

by the same technician with the same water level sounder to an accuracy to 0.01 

feet. The initial water level and, if possible, the total depth of the well will be 

recorded on a Well Data Sheet. Based on this information, and the known 2-

inch PVC Schedule 40 casing diameter, a purge volume will be calculated using 

the following equation: 

Where: 

cv 

HW 

0.174 

CV = (HW)(0.174) 

well casing volume (gallons) 

height of water column within the well (feet) 

conversion factor for a 2-inch diameter well 

(J:\Imperial County\PICACHO LF\2010.0044 FCPMP\Reports\Appendices\Appendix C- Samplan.Doc:1 0/21/201 O) 

1 
• The wells will be purged and sampled using dedicated bailers or new (factory 

sealed) disposable bailers. Up to three well casing volumes (under optimal 

conditions) of water will be purged and allowed to recover to 80 percent of 

original water elevation prior to sampling. Slow recharge wells (wells that do not 

recover to 80 percent of original water elevation within two hours) will be 

purged of a minimum of one well volume (purged dry) and allowed to recover 

sufficiently (for a period of about two hours) prior to sampling. 

• To assess the presence of fresh water coming into the well, electrical 

conductivity, turbidity, pH, and temperature will be monitored after 

approximately every one to three gallons of purging (depending on the well and 

total estimated purge volume requirements). 

• Sampling will be performed when the EC, pH, turbidity, and temperature have 

stabilized to within 1 0% between consecutive readings, and the total estimated 

purge volume has been reached. 

• For sample collection (either with the dedicated bailer or new, factory-sealed, 

disposable bailer), a bottom-emptying device will be inserted into the bailer, and 

the sample will be transferred directly from the bailer to the container. 

• Samples, including field blanks, will be collected in approved laboratory-prepared 

sample containers (Table 1 ). Each sample container will be filled completely and 

immediately capped, labeled, and placed in a cooler. Samples for VOC analysis 

will be filled by pouring the sample down the sides of the container to minimize 

aeration, and these sample vials will be capped immediately with no airspace. 

• Collected samples, accompanied by a trip blank, will be placed immediately in 

an ice-filled cooler for transport to a state-certified testing laboratory. Samples 

will be kept chilled (at about 4°C) until delivery. 

• A completed Chain-of-Custody form, detailing the sample numbers, date and 

time collected, analyses requested, and other project information will 

accompany each sample to the laboratory. The Chain-of-Custody forms will be 

signed and dated by all personnel retaining custody of the samples. 

(J:\Imperial County\PICACHO LF\201 0.0044 FCPMP\Reports\ Appendices\Appendix C- Samplan.Doc:1 0/21/201 0) 

2 
PARAMETER 

Chloride 

pH 

Nitrate as Nitrogen 

Sulfate 

Total Dissolved Solids 

Arsenic, Total 

Volatile Organics 

Notes: 

ICP = Inductively Coupled Plasma 

MS = Mass Spectrophotometry 

GC = Gas Chromatograph 

TABLE 1 

PICACHO LANDFILL 

ANALYTICAL METHODS 

TEST METHOD TECHNIQUE 

300.0 ion Chromatography 

9040 Electro metric 

353.2 Colorimetric 

300.0 Jon Chromatography 

160.1 Gravimetric 

200.8 ICP/MS 

8260 GCJMS 

CONTAINER PRESERVATIVE 

Plastic Cool. 4°C 

Plastic None 

Plastic Cool, 4°C 

Plastic Cool. 4°C 

Plastic Cool, 4°C 

Plastic Nitric Acid, 4°C 

VOA- Glass Cool, 4°C