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. . , . . . . : . . . . . . . . . ,:. . , . . _. ~hone805.466'-2985 . . . ax 805 . . . I I : - :. , ;. . . . . . . . . . . . - . . . . . . . . . . , - . . . . . . . . . . . . . ". . < . , i f ,
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' ~ h a f i i i . ' ~ s . ~ ? i k n i i ; I I + ~ o~kratiid ,a.iaidfill.~hekararp&k . & b l ~ S ? - $ i t ~ $ , ~ i~ , . ; ,. , , ,, % . . . c : . j . . . . . . . . .. . . . : - .
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. . . . I ., . . - _ . . . % \ , . ; . : ~ h i b g o ~ r a b e ~ k d f i p ' s site i s sikilarib~peoldgy,'hydrology, and bp,e&tionj t b t h i paso'' 1, . , . . : . . . . . . . . . ?.,1 . . . . ;., , ' : - . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . .,I - , . '., . . . . ,
. . . : . . . . . . . . . -. .: . ~abl'kr ~&dfi l l ; the$& landfillstm=- afipr~xima1ely. 9.;rnile$ ap8rt. . O l r the. .la& 5 or 6.' :".'- .:.. ..:. ,-. 1 . . . I - . ,. '- s. ; . ,-. , ' , . - . I . . . ' . . . . . . . . . . * ' ? , . . . . < . . . . . . . _ . . - . . r . . . \ ' . . . . . . : . _ . . . . . . . . . . . . .
. . . . * . . . . . - ye* -I . .have ,,. become, :in,creasingly . . , ,conceqied . . . i bou t the . . . - . 8icaliti6n- , I of - , . ?ex+: regul&ibns9: , , - ' . . . . . . . . ._ : '. . . . ...;:>.- . . , 1 (
% . . , @ . . : ': . , , . . . . . . partikuiar1.y new:*reguiationi that rai?&Gthi+ . cojt o i 'd~ ing businis$ but fail to.,ii&ieve ;.: .. . *! . . .
. . . . - . . ' . . . ; . . . . . . . . . . . . . . . , . , . . , . . . . . . . . . . . . . . . . . , ' , . , - , . .... s ' . .
' I . 1 . . . . .: .; '7 '
:.signifitant kniidnmeital biiefit. , i t is with that :.tiought : i i i miid,, that-l::comment on- , ..* , , . . . . . . . " ' . .:. - . . . . . . . . I . , . . 1 , . ' .
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' . : waste ~isc 'har~k 'Order R3~2008-iI056. : . .: . I , .. % . 'i . . . .. . , . ..< . . . . . \ . ,- , ' . . . . . 1 - . . . . . * . . . . . , - ' , . ' . , :
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. . . . , .;, : i . . , . . . . . , . - . . * . '., . . . , ' I . . ~ e & - a l : ' ~ i r i d i n ~ , #41 requires . - 'the j landlll~ operatbr:ro: provide. the,:~i&&tivk% . . officer.' ..,,I -;. a -. ' '
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. . . . . , with ?e$ort$ that '&e f i le (and ?re&iied:by) ikjbthir publ& - ag&l?; fh=' califgrnia, , , ' y : , ' .. ...; . . . . . .. , ._. I
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fntegrated .waite I&n$gekefit,' .. . . . . , B,~&-J . . . ( '?cI~BI'): . . . . l>e;all, AB .iy220 tdii,ideS.;{hi :, . . , I . . . . . ' . .
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. . , . ' a & ~ r i t y ; f o f , t ~ & " i ~ ] e m e ~ t ~ t i d f i i ~ ~ . . . . . . . . . ,
,.. Title fi . . . b&&h t h e ' ~ w ~ ~ ~ :a;i'd'&< C I W & ~ ; , . T ~ ~ , ..I , , , .. . . . , . .. . , . : . . _ r , . . . . ., , ,
- , > . , : - , , . . - , . . . .* - . . . . . 7 . . . _ : ,.. -.. - . ~ . . . - . .. , . . . ' . , . ' intent bf AB' 1220, \n $-t,-is . . . ,t*;kekpthe ldd'fill +er?toi from h&nptoresp&d t&:twg: 1 :, , . ' - . . . . . . . . . ... , ,
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. . . . b . . . . L . . , , . . ' , - . , . . . . . . . . . . . . . . . . I . . . . . . . - . . . . 1 . . . . . . ' Item No. 29 , ,
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. . . y . . . , * - . , . " December 4-5, 2008 Meeting : . , -..
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Paso Robles Landfill Revised WDRs ',,.,,: . , . . . . . .,
I . . . " ' , 8 , I
. . . . - . 1 . . . : .. - . - .. ‘ . .::, - Attachment 3 . . ' . . . . . . L . . .
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.' . . . . . . . . . . . . . . : , .Mr.Dean ljhobai, -:RWQCB :-,. : ., . 1 . .-.. . , . : . . I . . . . . . . . % . . . . _ . , . , . . . . . . . . . . - . . . . , . . . . 4 1 .
' . . . . . . - . ; . * . . . . . . 1 . ~ e v i e w h f ~ ~ v i s e d : ~ a s t e ~ i s c h & ~ ~ , : ~ ~ ~ ~ i r e ~ . . . - . - . , . - . . . I . , . : . . . . . . Paso kbblei Clasi.111 ~kd ' f i l l . . . ': . . t ;. . . . . . ,
. . .+ . . . , . :.. * . . . , . . . . . . . . I ,
. . 4 . . . I ' . . . . . . . . . . . . ...- , . . *.. , . . . . . . . . . . . . . - . . . . . . . . . . . - J i e 2 6 , 20ds .: .. . . , . . . . . . . . . . : . -. -, . . . . . . . . . . . . . . . . . . I . . . . . . . . . . . . . . . . . , . .-page.>.; . . . . . . . . . . . .
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. . . . . . . . . . . , . ' 6 . ' , . , . . . , . . : : . ' . . . . . . . . . . . , , . , . , . . . . . , .
. . , . . L .. . . . . . h 6 public :.- agencies dver. the . same > . matter.';. ~ o ~ ~ i i a n c e withFingncia1 Assuriince, which ., .. ':., ; . .. . . . ' . - . .I
. . I . , ' , , . . ' - . . . < .
. . . . : is .whit General ~i*din~:#dl ad&ksbes; is' +]ready eduated on ah. annual bask by %the , ' . , . . , ' ' ' . . . . . . . . . . . . . , . . . . .,, . . ,. . , . .
.Financial Assirande ' reporting' to the CTWMB is. niatidatdijl, a"d .since the' CIWMB . , : . . . . . P ', .. . . . . . , . , . : . ,
.( . " ' , .. . . . . 4 . " '. . . _ . . , 'berfoks an annual ;e\lie$, k&pl~nce is assured: lf RSVQCB i tkf wishes td check on :
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. . . . ' , , ' the- CIWMB' s *-performance . with . '&sped t< finaticiil ~ i su ran& RWQCB ';taff!ihould . ' ., . . . . . . . . . . . . , . . . . . . . . , . I
, . ,
- . . 'iotitact.thi. CJWMBdkeitly! .'?$us ~enk ia l , ~i idin~. .#41; whidli rgqtii& the Qpckatoi to . . . . . . . ,
11.' ;,:.; ' . . , , . . . . . . . . . . . . - \ . . . . . . .' .'I. , . . L . . ..I proyi'dg; the CIWMB.~ ~ ~ r i v d - o f the 6peratok-s ~ i n ~ c i h ; ~ s & a n k ~ m6diinjanism '. .* . . . . . . . . . ,, .. . . . r . . . ., . . . .
. . ' I ' . . < . . , . . . . . . . - . . , . . . . - - to the RWQCB shouldbe deleted fmm the order. ' , . , ' . , . , . . I . , . .
1 ' . . . , . . . . . , . . . . -
;,, , 'I , ' A " . . . . . , . ; . . . . . . . : " .' . . . ..: ' , , . . . . : .
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. * 2 . ' , . . . , -. .
. , 2 . - . :~t'se&is' . like.& small xyaner,'-but "freeboard? 'i<.r&t d d n s d i n ihe :drafi ord&;,,;.l' . . . , .. ' . , ' . . . . : ..: . . . . . . . . , .
. . I , ' _ . ' actually had:one of your fello$stdff rqe~bks '~t9l l he.thif ~ ~ e c i f i c ~ t i d < # ~ ~ . ( w h i c h is . - . . . . . . . . . . . ,_ ,, . . . . . . . . . . -. \: : , , . .
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,, ' .similar, ti5 one, in d&.'!VV~~s),.-req~ikd $.cbnstaiit 2 'foot, separation: betweed the watei . :: .* . . , . ' . . .
+ ' . . . . , . . . , . . . . . . . , . . I . - . , . . - . ,, . ;- : . . . . , . . . . . . ,
. . . . . , . - . suiface and the spillwgp, meaning tliiat %sedi&t basin could i i v & 6v&flowy ciear1.y' . ' " , -. . . . . - . . . . . . . . . . I _. , , . . . . . I . . . ' . - , . 4.: . .
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. . . . , this.is.hot , . . thbintent , . . of ~~ekificati6n #15. includingih'e ;defiinitibh offfeebokd mayabe + - - .: . . I . . . . . . . I . - * ,
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, . . ,. . ippiopriati i n the WDR~.: -: -, , , . . . . . I . . 0 ' . . . . ( ' . , . '. . . . . . . . . . I .
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. . . . . . . . . . . . ' . ' . in thepast, the . . Technical :Compliance _ Report -. was ,required every -5: );ears, jkniediat'el~ . . . . -.. . , . - . . . .... . , . . . . . . . .
. . . I . . . . " . . . after 2 the iisdahce . . of new . . . WDRS: . ItwaS . . . the'inte~t:bfthe~~chical~~co~p~i&ce . . . . . . . . Repoii.to . . . . . ' ,
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. . , . * 1: . . , ' , , . , kake..sure . that the~disch&er.unde'istoO'd'fh'e . . . . , new , ~ a & Discharge . order. 8 ~ k q u i r i n ~ . . I : . . '
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5 . . . . . . . . . . . . . . . . . ~ o r n ~ l i a n c k ' Report ~ u a l l y , , , even though the . . . WDRS :don't. chan~e;'~erves pd purp&e. ' , '. . . . . . - . .
. . . . . . . .- - ~ e ~ b i - t & . ~ Requile*ent . , , #2P . . . should be . . , ehkgk! , back . to everg . . 5 oi,~ej&emb& . . . ,, 30; . , . .: ' .'
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. . .' . 20.1 3 in,'this.caie;. . . . .-. . . . , . . . . .. ... , . . . . . . . . . . . . . . . , . . , . . . . . - . . . . . . / . , , . . . I ( . ' I ' . . . - .
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- .; 4. PC 1 A1 '?f t h e . ' ~ & v s order dis&ises the need to,peifbim bite inspeftio& 'wh+n"i' 1: .'. '
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. ' , sto* i6prod&esitorrq k a t e r N ~ ~ f f . . < ~ . d i s ~ h & g i w . .1t is as~u&ed ihat.this requiremeat , . ' , . . ' , . . . , . . . . . . , . , . I . . . 'I . , _ . . . . . . . . . . . . . . . . . . . . . . , , .
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. . - . , . . . . . . . . , . . . ' A , , , ' . , . " ' .- ' . 1 . , . . . . , . : . , . . - . I: . , . d . . . . . . . .I . % . -- . . . . . . . . . . . , . . . . . . . . . . . . . . . . , . . . . / r , , .. . . j ' . '. , . I ' . ,
: . , . ,. . . , . . . . 0 . . .
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. , . . - . :Mi. ~ e k , T ~ O ~ ~ ~ ; - . R W Q C B : ' : ,' , :,: . . . . - . . . . . ... . . > . . . . .._. . , . * . ..,. . , . . . . . . . . . . ' I . .
. I . . . ... . . , - ' ' . . Review of ~ & i s e d ~ a s t e ~ i b c k r k e ~e~uir&n'ents.'." , . . . . a .. . , . , . . . . . . . . . . . ' . . I . . , . . . . . . . , . , - '
. . . . ' 6 . . - . . . , - ~ ~ a s o . ~ o b l e s class '11.1 and fill:' ; . . *' ., , . . . I , . . , . . 8
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,, . . ! .... . . I . . . . . - . ,. , . . .
. . . ' - . ' . ~ u n e 26, 2008. ' . , . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . * . , . . . . . ... . . . :. . . : pige'3: . . . ; . . . . . . . . . . . . . . . . . .
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'.: .' ' I. . . . . . , . . . . ' . . ". ' . .. I . ' . .
. . . . ' ; refits todischarge &om a ' s t o h water bitsin to' the '*ateri. of the,btate,-ndt stoim water . .:. ' . ,.:. '
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- .: . . . . . runoff that occurs on$wiihin ,the hi l i ty . . . . 1f that"is:what .is nie'ant,.l& {he iyording' : :' . , ' . ,,
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: . ihould rnbie piecisely.,reflkct . . . . thit intent. . . . . . . ~ee.also Par? 1 B'I . : - h e .woiding describing ; ' : '
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' . , . . , . . . ' . , . storm water'.runofY in::Part :l Bj, isdiffer& thah &e"wbiding 'pa& 1 A i : 'Are :we, t i . . # _
. . . - . . . . - . . , . . . , . . . . . * . . , .. . . . . .
. , . . . , &sume +at the meanihg.is the same? 'see a l s ~ ; ~ a ~ l , ~ 6 . The .definition of a 'stork I. ' - . . . . . . . - . . . . . . . , ' . . - 3 . . . . . . I:. . ; . . \ .
. . . . , event . . is&irecle&lj,defined in@'ari l,F6; is the ititenithe same in .Part 1 - ~6 ks in Part 1 . , . . . . . . . , . s 3 ' . . : , . . - . . - .- , . . . . . . . ' . . . . . . . . . . . . . . . . . . . , , . . . . .: . . . : . . . . . I < . I . . I . ' I _. . , ' ' ~ l " a n d ~ & , ~ l ' ~ l ? , , , . . . . . . . . . . . . . I, . . . . - ... . . . . . , . . .
.'. : . . . . . . * . . . . . . . . . . . . . . . . . . . . . , , . . " 1 .. , . , ... . . . . . . . . . . . , . . . .' . . . , . : ' . . .
. . . . . 1 I . . . . - . . ; . . . . . . . . . . . . _ ' I , .. .... . . . . 1 . . _ . . ' . . r
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0 . . . . . , I . . . &I impo'rtant:provisibn.:o 9 7 - 0 3 . - ~ w . ~ . b ieft out of the v&ious"definitiohs of :I : . ' .'. '
, . . . , , . . . .I
. . . , . :' . . new.st6rm e"dit$ (and therefore .iew8kid&ections) ax .defined; as being peqed;d by '3 : ' : .
. . . . . . . . . . . . . . 1 . . . . . . - ., "' , : . . . . . . ' *orking . ,.. days. . . . i i thout a: st6xi-n- watk .di$char@e: 16 the: definition bf ja '."storm event" in . . ' . . . . . . . . . . . . . . . . '. . . . . . . . . . . . t. . . -
' . . - ~ ~ ~ ' 0 r d k i . , ~ - 2 0 0 8 - 0 ~ 5 6 ~ ~ . as; . it pertains t d insP&i&ii .. . , the.i*e. t q s thi,dkinifiop .6f h ' +. , , .
. : . . . 7 . ' . . . . . . . . . . . . .. . . . . . ! . . , - , , . . . . . . s . ' . I
, . . . ! - . . . . . , -. . . . . . ,' , . . . c L s t o d a . . . evelit".', i i : state' Water . ~ ~ s o < r c ( s ~ ~ h t i o l . l36aid aid: Ordit 97-03-? WQ? :.. When ' .. , '. , ,,' ' ,
.> . . . . . . . . . .. .: . . . . - . - . ,_ - . . . . i '
. , , . . ! .6onsidering your rks&selple&e consider that the MFWs at this' ~ii&~alrt$d'~' reqcire 29. . , . .
'.. . . . . , : .-. . . . A ' . 6 . ' ' . . - , e . . '< ' . , . . . . . . , . .;, '&. .
: I _ ' stqnn . . . ' insp~ctions, '~pl~' . . . . . . addi t iw '(drainape &st&) idspeitions-:f&: c~ri~off-pibdipng , . A , - . ' . . ,
. . .. , . . ' . % - - . . . ! I . . . 'i . , , : . s t t j m i e"$nis"?. 'Add *to this', th i regular fibnthly CIWMB. and RWQCB .?taff inspections, i ' . . . . , . .
. . . , . _ . - - . . . . . . * . . . . .. . . . - - . . ,
, kd'there already' ovd? 5b e~o$o~.control/rb~off-rel&ed iiibpektigns. required periyeari . .: . . '4 . . - .. . . . - . . . . . .
, . '.. : . . . . I ' . :.,
. . . . 1f:additioiAl inspectio& . . . are ie4uiied . . for . &e?y , - storm. (storms .thit.ark . preceeded . . . . . . . . %y 3 ..' '. ,.' ' .' , ', . ' 9 ' . ' ,; ,. ' . .
-. . . . . * . . days with'nO',diichkge,Gd . . . stoh& h i t taw?-n~~di~ch&~e,'fo0iyat'ersqf-the state), theri . . . . . . . . . % _
I .. s . . . . . . . . . , . . , , . i ' . . . C . . 1,'; . , - . . . : . . storin-wit& inspections .wbuld.:numbe;.i5 t o NO per $em; dep;nd/ng'oh;the .weather; a , . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . , I ' . - . . . . - . . .. - I ' ,
: , , . cugint time of fidhciii difficulty, and whu1d;not yii$d'in: rny;opinion, a. commensurate . . I . . . . . . 3 . .. , . - . . . . . . , . . , . . . I. . . . level i f $rt$e.cti?ibf the. State's vigters. . ' :. , ,
., . . . " > . . . . . . - . I . . I , I . : , - ' . . . . . , 0 . - . . . . . . . . . . . . . . . . . . . . . . . \
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.. - . . , , ..' . + . . . . . . . . . . . . . . . ' . . ,. . . . . . . I , ,, . ' < . . : . . .
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. L . . - . . . . . , . . * . . I
" I ' . . . . , 5 : . h 'Part 1 - ~ 6 , th; -didcharge*:& requiredd t;.iGstdli iii: a t le& .itilize:autorn&c s t o h , ,- , . . . . , , . . . . .
., , . . . . . ? , . . ' . . .. \ ' . - . . .
L . .
, . . ;. :.: . - . . water ;?ampling . d6vifes: . :~his.re~uiie&;nt . .. is in conflict .-. . & i t h . ~ d c ~ , : h i d & . 9 7 - 0 3 - ~ ~ ~ ' . , .. , , ' - . . d . .
9 % ' . . . .- ,.' , . . . . . . which' requires. hand s&nples :during8 the" fir.st:'hdur of , d ischgb . . . . 6;. the 'fir& hour @ '
. . . . . . . . . . . h' . -. . , . . (. . . ,
facility, .is open if the di'scharge occurs.at night: : .- ., , . . . . , . . , I . .
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C ' ... M;. Dean I'homai - ,RWQCB" , , -: , -
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. . . . . . . . , - . . .* . . . , , Review of Revisea Waste ~ i ' s c h a r ~ e ~ ' ~ e q u i r e ~ n t s . . . _. . . . . . , . . . . $
, ! , -. . . , . . . . . , . . . . . . . . . . . . . . . - . - . '.paso ~.obl~s~~1ass '111 .~aijdfill . i . .' . . . . . .. _ C . . . . . . . ,. . . - ' . . . . : . . . , ' . . , . : . . , . . - . I ... . . . , . , . . . . : . .-. June 26,"?008 . - i ' . : . . . . * . . . . . . - . . . . - -
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, . , . . . . ' Page 4 , , _ . . , . . I - , ' I . , _ ' ' .
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P . - . " . - . . , . . . , . . . . .; . . . . . . . , . . , . - . . : _ , . . I . , . - ,. . .- . . . .
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1t.has. b&n my experience.that automatic i t o h water saInpli,ng deviies are infeiibr, to , ' ' , , . . ' . . . . , . . . . . . . . . . . I . . . . . . ~ , . . _ . . . . . . , . , . . . _ . . . . . - hand's$nples because certain monitoring pkanib'te;s like diss*lved &igen; turbidity. and. ' . . . . . . . . . . . . . . - . , . . . , , - . . . , . , . .I.
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I . 1 , pH :n&d: to be'keabu& . . k.riediatklyy not ih 30dayiS' or, tit a minimum, -many houri aftif , . , . . . . . . . , .I . :
. , - . . . 'the, s&ile is takeh:: There is .also the'pib&qtial cost; of ihstai!iig~automitic:s'tom water . -. ', . . . . . . . 4 .. , , . ' . . . . . . . . . . . , , . . . . . . . . . . . ., .
- . . . . saniplen, . . and :the * . . -prdblehi bf damage to the -sambling equipment &ring a storm' (or by :, . , . -
. . . . . . . - . . ' ., ..\ , . . animals) . ~ i ' a minim~m, the operator needs to.b,e fhe'optiohof uskg the a'utomitic . . . . . . . . . , . . . . . . . . . ' . I
. . . , . :: . . . . . . . . . 6: i Part 1 87,. address& perimeter gas : rnonitofing probe , sampling. -@egi&ing,-in . , 'i . . . . . > . . . . . . , . , . . %
. . . . . . 8 . . . . .
. . . ~k&embei; 2008, the ;number.: o f perimeter]$; at. eich,l&dfill.will hicrease : . . . . . . . . . . . m . . . . . * . , I.:. . ' . . . . - . . . .
. . . , . ' . . . . . . . . . . - " . : ap~rbxim~tely 18 gds':,sam~les must tie iinaiyzed. foi V ~ G S (inst$dLo; . . . . 3,. gas samples .: ...' , .
. . . . . . . . . . . . I . . . . . . . . . . . . . - . ' : ' . . . . . . .
' , , : : pre$.ioFhly ieqiired) tach year, .it i s desiable kkh..*erimet,er gas mibitoiini .as - " ' , , - ,. . I . . - . . , , -... . . . . '. :.I . * . . : . . . , , I . ( 1 . . . .' .T . . . .
: . - - . :. .-: cost kffiffiiient bs-poisiblk. . . , . . ' . seetioh ., ~7 of the'^&^^' requirk qalysis . . o f l a i d ~ l l g a s foi . , . . . . . ' . . . , . . , . . : I .:: . .' .
. . . . . . . . . . . . . . . . , ; . VOCs bi:"inethod'?~-14,(6r , ci~uirialent)'.. - Does the,"& eq$ialent r n e a n ~ ~ ~ ~ - 8 2 6 0 " ~ 1 1 ~ . . , . . ; .:. ; . . . . . " . . , .
.. . . . . , - surncet ' , : , . ( . . . , . . . , . . ,
, .. . 8 . . . . , . . . . , . . . I. '
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. . . . . ' . . _ . , . ' ' 7: Lastly, the , . laboratory . , % , :tk?t .'for. rn&als' in tii; NRP leqirirks Gat& samples t i b e
. . , . - . . . . , . . . . . . . . . . . . , . . '. . . unfiltered,. ' ~ n a l ~ z i n ~ urlfil tered watei samples . for . .metals . . . . leads J-o I , false . _ _ . ,pbsitive' iesults, ' . , .
. . _ . . . . . 8 , . . , . . , . . .
. . . . . : . ' si'nke t he acid :x;seniati+e added t o the water sample dissolves tbk..'mmttals i n the 3 - : ' ' , . . .
. . I . . .
. . . , . . : . . . . . . . . . . I . . . . . . . . . . ' I ' I , . , . - , sediments . , sisp=ided i n the , . water . , . . shr≤ . while it .h acceptable . - ta pse uf<ered.'$atere . . . . . . . . 1
.I ' , ,. . - . . . . , . # .. . . . . . !
, . . . samples for the. ahal'ysis %of 'h&t cori,stitu&ts,, it :is ' ihappr5'pnate to: use pr&erved and ' ' . . . . . . . . . . . . . . , ' . . . . . . . . . . = .' . . . ( . .
' 4 % . . . . . . . . - . . . . , .
. . '. . - : ' unfiltered water . . sanibles-for ththe snalysis.of metals. The EPA te$(br sarnpld pre&.ratioh'. : , ' . -
f . . . . . . > .. . . + . :I . . ' . . . . . . . . , .
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. . . . , . . . . . , . . . . , . . . . . . . . 0. . . . . . . '. , . . ... .- . . . I 3 . , ' Mr. D6an T ~ O ~ ~ ~ : ; R W Q C B $ , . . . . . . . . . _ ..... . I' . .. . . . . ' . . .., .. 6 . . . . . ,. . ., . . . . . . , . . I
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. . . : . ' . ~ e ~ i e w d f ~ i v i i e d , ~ a i t e ~ i s ~ h a r g e ~e~ui.rements : ., ' . . . . . I, . . . - . 1' ,. I . . . . . . . . . . . .
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',, . . , t , b -, . . . . . . . .. paso. k&es clap. ~~!,i&fiil. - ': ,, ' :, .,: : - ' . , . . . . ,- . .
. . . . . . - . . . . , . . ( ' '; L , : . . . . ,- . , . . !"-:June 26, 2008 ,: . . . . . . . . . . . . . . . . . . . . . . . - .I . r . . , . I .
. , . . I . . . . . . ' '8
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, . 4 . . . . . . . - . . . . . . I ' :.. . . . ... . . , .. . .
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. . : : A . . . . . . . . methpd),'for metals scec&fd:in thk MR&Ps needs to. be ihan&d'io . . . . allow.iilti$ng of the.. . . . . - ' . . . ' . . . . . . . . . . . . . . . . . . . : *. . . , . . . . . . . - . I.
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. I . '. . , . _ . . > '. .CHICAGO..GRADE LAND@., ; . _ . . - . , - , .
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r * . . : , . . . : . . . . . . . . ' ( , . . - . . . , .
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. . . , , a , .
. . , . - , . . 1;. !.. : : Michael H;~~&,: ' , . , ' . . - * . - . .: - . .
' .- . . . . . . . . - . : . . . . . , .. . ., ,'. ~ & i e r a l ~ , z q a ~ e r . :. ' # . ' : ' : . % . , . . . . . . . , . ,
. . . ': : ..I
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. - . , . . , . . .:.. , . I . . . . ' : . .
3 . ' -2 ' . . . , . , , . . . - . . . . . . . . : . - . . . .
. . . . . - . &: State senat& - ~on'ona&ibl~ Xbels~ddoiiadp : ' , : , ., ;, ' .; ..:. ' , . . . . - . . . .
, . 3 . . - . . . . _ M r . D o u g ~ o e n - ~ i ~ ~ f ~ & o ~ o b l e s ' ' ~ . . . . . . . . . . . . +,. . . . . , . .... . _ . - . , . . . . . . . . . . , C, 8 . . . . . , . , . . , . . . . . . . - I _ .
. _ ' . . . , .. . . . . 8 . . . . . . - . , . . . : . . I , . ' .
. . . . . . , . . I . . . . . . . . . . . ' . . # . .
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Environmental Consultants and Contractors
6601 Koll Center Parkway 925 426-0080 Suite 140 FAX 925 426-0707 Pleasanton, CA 94566 www.scsengineers.com
June 12,2008 Project No. 01205 150.00
Mr. Roger Briggs, Executive Officer California Regional Water Quality Control Board, Central Coast Region 895 Aerovista Place, Suite 101 San Luis Obispo, California 93401
Attention: Dean Thomas
Subject: Pre-Draft WDR Comments Paso Robles Sanitary Landfdl Paso Robles, California
Dear Mr. Briggs:
On behalf of the City of Paso Robles this letter presents comments on the pre-draft Staff Report, Waste Discharge Requirements (WDRs), and Monitoring and Reporting Program (MRP) for the Paso Robles Sanitary Landfill. This response has been prepared by SCS Engineers (SCS) based on discussions with representatives from the City of Paso Robles and Pacific Waste Services (PWS).
OVERALL
Overall the pre-draft WDRs and staff report are complete and thorough and appear to be comparable to the existing permit, with exceptions as noted below.
PRE-DRAFT STAFF REPORT
Summary Section, Page 1 - Landfill parcel is 80 acres, not 82 as stated.
Facility Description, Page 2 - The hazardous waste management facility is operated under a separate permit issued to the San Luis Obispo County IWMA.
Control Systems and Monitoring, Page 3 - The pre-draft Staff Report suggests that geocomposite clay liners (GCL) do not perform as well as the prescriptive design for base liners and cover systems and that alternate materials will be required. This is an important consideration for future design, environmental protection and costs. GCLs are commonly employed and have been permitted for Title 27 / 40 CFR landfills throughout California and the U.S. We are aware of some agency concerns in this regard. However, in SCS's experience, perceived performance deficiencies may be attributed to construction practices, rather than material properties. Problems can be alleviated by specifying and installing appropriate overlap between GCL panels (to prevent subsequent shrinkage/creep of GCL materials and ensure a uniform barrier surface). In the absence of supporting data
Offices Nationwide
M r . R o g e r B r i g g s J u n e 1 2 , 2 0 0 8 P a g e 2
suggesting GCL performance problems, we respectfully request that the Staff Report be modified to allow the City to retain the right to petition for use of GCL in future base liner design and construction.
Control Systems and Monitoring, Page 4 - The pre-draft Staff Report suggests that existing lysimeters be retained and incorporated in the monitoring program. Historically, sampling (via vacuum pumping) has not produced sufficient liquids volumes to analyze for all required monitoring parameters. Since 2005, the majority of the lysimeters have been dry. It is recommended that the need for continued semi-annual lysimeter monitoring be reconsidered as part of the revised WDRs.
Compliance History, Page 5 - The pre-draft Staff Report states that ". . . with the installation and start-up of the landfill gas system in 1998.. . the Discharger appears to be successfully correcting the leachate problem, as indicated by the declining VOC trends." We recommend this statement be re-worded. To date, we are unaware of a leachate release or any leachate-related impacts to groundwater. Note that proper operation of LFG control systems can be effective in controlling VOC impacts to underlying water quality.
PRE-DRAFT WASTE DISCHARGE REQUIREMENTS ( W D R S )
Purpose of This Order, Item 5, Page 1 - See above comment regarding landfill parcel acreage.
Site Description and History, Item 25, Page 4 - Results of monitoring data suggest that perchlorate detected may be from natural sources or sources other than the landfill. This should be stated.
Control Systems and Monitoring Program, Item 32, Page 4 - The landfill gas control system is also operated under federal Title V permit requirements.
California Environmental Quality Act, Item 36, Page 5 - See above comment regarding landfill parcel acreage.
Section C, Specifications, Item 3. ii, Page 8 - The pre-draft WDR requires a 2-foot thick layer of compacted clay having a permeability less than or equal to 1 0-7 centimeter per second (cmlsec) and a minimum 40 mil synthetic flexible membrane liner or a minimum 60- mil high-density polyethylene. This condition has been changed from WDR Order No. 01- 11 2 where the GCL was acceptable instead of new requirement of 2-foot of clay. Please see the above comments regarding the GCL component of the liner system. Again, we request the City retain the right to petition for use of GCL in the future base liner design and construction.
Section C, Specifications, Item 3. iii, Page 8 - the pre-draft WDR requires an upper component of 12-inches of sand drainage layer for leachate collection, covered with 12- inch protective soil layer. This condition has been changed from WDR Order No. 01-1 12 which allowed use of drain rock or a geocomposite drain layer. Industry convention is to
M r . R o g e r B r i g g s J u n e 1 2 , 2 0 0 8 P a g e 3
use drain rock and geocomposite drain net materials. Use of sand could present operations problems meeting performance requirements for liquid head buildup (it is less permeable than drain rock) and the sand material could be significantly more costly than drain rock or geocomposite. In the absence of supporting data suggesting the need to use sand in the drainage layer, we recommend that the pre-draft WDR be modified to allow the City the right to petition for use of drain rock or geocomposites, to be consistent with industry convention.
Section C, Specifications, Item 8, Page 9 - RWQCB approval for use of alternate daily cover is required. The City currently has CIWMB and RWQCB approval for use of ADC (tarps). We understand that RWQCB approval was obtained prior to issuance of the existing WDRs.
Section E, Provisions, Item 6, Page 11 - We request that reasonable notice be given in advance of any agency inspections. Further, all personnel on-site shall be responsible for their own worker health and safety.
Reporting Requirements, Item 22, Page 13 - the pre-draft WDR requires by January 3 1 of every year, the Discharger submit an Annual Compliance Report. This condition is not consistent with the Tentative MRP, Part IV., B. Annual Summary Report that allows the Annual Summary Report to be submitted with the Second Semiannual Monitoring Report submitted no later than April 30 each year. We respectfully request Provision 22 be changed to "April 30 of every year" to match the Tentative MRP Annual Summary Report submittal due date. The associated table under E. Provision 40 should be changed accordingly.
PRE-DRAFT M O N I T O R I N G A N D R E P O R T I N G P R O G R A M ( M R P )
Section A, Site Inspections, Item 1. a. - The pre-draft MRP lists the Wet Season as October through April. However, the General Industrial Stormwater Permit lists the Wet Season as October through May. Please address this discrepancy.
Section F, Analytical Monitoring and Monitoring Locations, Item 2, Table 1, Page 3 - The following analytical methods are commonly used, appropriate, and we request that they be added to the list of Monitoring Parameters (Table I):
Chloride - 300.0 Manganese - 60 10 Nitrate Nitrogen - 300.0 Sulfate - 300.0
Section F, Analytical Monitoring and Monitoring Locations, Item 2, Table 1, Page 3 - Manganese analysis should be for dissolved constituents.
M r . R o g e r B r i g g s J u n e 1 2 , 2 0 0 8 P a g e 4
Section F, Analytical Monitoring and Monitoring Locations, Item 3. b, Page 4 - Semi- annual monitoring of the Lysimeters (LS-V1 through LS-V6) should be reconsidered. See above comment under pre-draft Staff Report.
Section F, Analytical Monitoring and Monitoring Locations, Item 3. d, Page 4 - Existing landfill gas monitoring probes are designated GP-1 through GP-5, GP-7, and GP-8 (there is no GP-6).
Section F, Analytical Monitoring and Monitoring Locations, Item 5, Table 3, Page 5 - The following analytical methods are commonly used, appropriate, and we request that they be added to the list of COCs:
Arsenic - 60 10 Cyanide - 3 3 5.4 Lead - 6010 Selenium - 60 10 Sulfide - 376.2 Thallium - 60 1 0
Section F, Analytical Monitoring and Monitoring Locations, Item 5, Table 3, Page 5 - Metals (i.e., antimony, arsenic, barium, beryllium, cadmium, chromium, cobalt, copper, lead, mercury, nickel, selenium, silver, thallium, tin, vanadium, and zinc) should be analyzed for dissolved constituents.
Section F Analytical Monitoring and Monitoring Locations, Item 6, Table 4, Page 6 - The following analytical methods are commonly used, appropriate, and we request that they be added to the list of Stormwater Monitoring Parameters:
Specific Conductance - 120.1 Nitrate Nitrogen - 300.0 Total Suspended Solids - 160.2
Section F, Analytical Monitoring and Monitoring Locations, Item 7, Page 6 - Landfill gas monitoring probes should be labeled GP-1 through GP-5, GP-7, and GP-8 (there is no GP-6).
Section F, Analytical Monitoring and Monitoring Locations, Item 3, Page 3, a - First Bullet - Identifies Well MW-3, MW-8 and MW-I1 shall serve as DMPs. We respectively request the RWQCB revise this by identifying "Well MW-3, MW-9 and MW-11 shall serve as DMPs". It is our intent to replace former Well MW-8 with MW-11 and to correct previous MRP to classify MW-9 as a DMP. Further supporting information of MW-9 is presented in the next response. Well MW-8 has been dry for several monitoring events and will be replaced with MW- 1 1.
M r . Roger Br iggs June 1 2 , 2 0 0 8 P a g e 5
Section F, Analytical Monitoring and Monitoring Locations, Item 3. a, Page 4 - Identifies that Well A4W-9 is about 24O$eet@om WMUB; and consequently, does not comply with 40 CFR 258.40(', but shall be included as a monitoringpoint. This statement is consistent with MRP Order No. 0 1-1 12, but we request a change. MW-9 was installed in the 1990's as a planned expansion of the "Groundwater Detection Monitoring Point" and investigation for perched groundwater in a monitoring plan submitted by Conor PacificIEFW and approved by the RWQCB. Subsequent monitoring has shown that Well MW-9 is consistently monitoring groundwater downgradient of the Paso Robles Landfill Module 2B. Compliance with Title 27 appears to have been achieved by using Well MW-9 as a "Groundwater Detection Monitoring Point" and request the RWQCB's consideration for listing this well as such.
Also, it should be noted that U.S. EPA guidance for groundwater monitoring in accordance with 40 CFR generally allows that points of compliance be established within 150 meters of the waste unit boundary (approximately 460 feet). Well MW-9 is well within this allowable setback limit.
This response has been prepared by SCS for the City of Paso Robles, Department of Public Works. Please contact either of the undersigned with questions or comments regarding this submittal.
Sincerely,
Steve Clements, P.G., R.E.A. Project Manager SCS ENGINEERS
%\-. / ---"~ose~h Miller, P.E.
Project Director
cc: Doug Monn, City of Paso Robles James Wyse, PWS
