ÿWPC-) Tɼƒ -è<3Ôà—CÝ:_˜Ïg ¢X°yë=HL!“dXÏÇ£|çÔ;¤•IúXœm‹º¦#ÚI8ŸHeªhÁ׺Òd]DvMÃzh¡Êèßò¨­¼?T#´Šó*ÇßRCÌ|PÀ€;S2vq\}ú1nä³B†S¬t‘JôůµèËÒt§ƒ‚\°ÖÊ5?ôtÃg£tf¬³§Ë"¯èݤ¿1L3¾ˆÍȨCYÁö}vÈ—øôÅ™M$ƒ¥¢íÓûÍ+nÁÿ‡ú+†ÝHÓã‚dÈ| öêqÿ@¨V1£?AÌd¯ûÂåϪ‚ÖË_&FDãZâMݺÆà#¦Åð:l÷¡tWl„¸%¶Ö£n¡À•­¬ÐHßÏéºÒ¢ ÄgÁ±iÜÁ© M™iåòG`s¨ÁÎ/ãíe 5išÁz*¤œûB>e‚wî/ “ª­i”-¾n&˜È LÀ~y .ÿ N¤9/} œµEÛ»^I°sWå$‘Ÿÿ¯½ä¥'?ÒK)áÍ~cN«¤rôgAq0 !¼·óc´úÒyMÓ_5·¹9â(ŒlYT§) ,©uÎ}·E÷ÜÐ#Lßé"È.Ï‹9Hö͆ü”‘’oÇŒh=㸶´˜ÞÕ_I•Û#@ 0~€ 0xþ 0kv 0ká 0šL 0~æ 0Ñd 0ä5 0¦ 0÷¿ 0 ¶ 0À 01Þ 0C 0VR 0Ϩ 0¤w 0¤ 0ÿ 0¼‚ 0»> 0Ùù 0£Ò 0£uU: %R 0zX 0äÒ ¶ 0=Ç 0F 0PJ 1“š 0Ù- 1 0· ¢Â 0Od!E³!#ɵ! 0O~$NÍ$ 0OÏ$ 1·%Õ%n­å% 04’& BÆ&Æ&^ ã&wï&4ó&+'UJ2(|(|(|( 0P„(„(Ô( mÖ(Ö(U@í(V& ÿÿ8Document[8]Document Styleà0..àà8` ..` àÌVÿÿ8Document[4]Document Styleà..àò òòò.óó€€ó óV ÿÿ8Document[6]Document Styleà8..àÌV ÿÿ8Document[5]Document Styleà0..àÌV/ÿÿ8Document[2]Document StyleÌò òÔ2ÔA.Ô3  Ô€òòÔ  ÔÔ  ÔÌó óóóV& ÿÿ8Document[7]Document Styleà0..àà0` ..` àÌzU ÿÿ:Right Par[1]Right-Aligned Paragraph NumbersàÐ.. àÔ2ÔI.Ô3  Ô€ˆà°..°àà0..àÌzh ÿÿ:Right Par[2]Right-Aligned Paragraph Numbersà..ààÐ` ..øàÔ2ÔA.Ô3  Ô€ˆà..àà0` ..` àÌV?ÿÿ8Document[3]Document StyleÌà..àò òÔ2Ô1.Ô3  Ô€Ô  ÔÔ  Ôó óz{ ÿÿ:Right Par[3]Right-Aligned Paragraph Numbersà..àà` ..` ààи ..P àÔ2Ô1.Ô3  Ô€ˆà` ..` àà0¸ ..¸ àÌzŽ ÿÿ:Right Par[4]Right-Aligned Paragraph Numbersà..àà` ..` àภ..¸ ààÐ..¨ àÔ2Ôa.Ô3  Ô€ˆà¸ ..¸ àà0..àÌz¢ ÿÿ:Right Par[5]Right-Aligned Paragraph Numbersà..àà` ..` àภ..¸ àà..ààÐh..ˆàÔ2Ô(1)Ô3  Ô€ˆà..àà0h..hàÌzµ ÿÿ:Right Par[6]Right-Aligned Paragraph Numbersà..àà` ..` àภ..¸ àà..ààh..hààÐÀ..ààÔ2Ô(a)Ô3  Ô€ˆàh..hàà0À..ÀàÌzÇ ÿÿ:Right Par[7]Right-Aligned Paragraph Numbersà..àà` ..` àภ..¸ àà..ààh..hààÀ..ÀààÐ..°àÔ2Ôi)Ô3  Ô€ˆàÀ..Ààà0..àÌzÚ ÿÿ:Right Par[8]Right-Aligned Paragraph Numbersà..àà` ..` àภ..¸ àà..ààh..hààÀ..Ààà..ààÐp..àÔ2Ôa)Ô3  Ô€ˆà..àà0p..pàÌVXÿÿ8Document[1]Document StyleÌÔ  Ôà@ì..^àòòò òÔ  ÔÔ2ÔI.Ô3  Ô€Ô  ÔÔ  ÔÔ  ÔˆÌóóó ól2ÿÿ:Technical[5]Technical Document Styleà..àò òÔ2Ô(1)Ô3  Ô€.€€ó ól2ÿÿ:Technical[6]Technical Document Styleà..àò òÔ2Ô(a)Ô3  Ô€.€€ó ól/%ÿÿ:Technical[2]Technical Document StyleÌò òÔ2ÔA.Ô3  Ô€òòÔ  ÔÔ  ÔóóÌà..àó ól,!ÿÿ:Technical[3]Technical Document StyleÌò òÔ2Ô1.Ô3  Ô€Ô  ÔÔ  Ôà..àó ól(!ÿÿ:Technical[4]Technical Document Styleò òÔ2Ôa.Ô3  Ô€Ô  ÔÔ  Ôà..àó ól:0ÿÿ:Technical[1]Technical Document StyleÌòòò òÔ  ÔÔ2ÔI.Ô3  Ô€Ô  ÔÔ  ÔÔ  ÔÌóóà..àó ól1ÿÿ:Technical[7]Technical Document Styleà..àò òÔ2Ôi)Ô3  Ô€.€€ó ól1ÿÿ:Technical[8]Technical Document Styleà..àò òÔ2Ôa)Ô3  Ô€.€€ó ó<þ6X9`("Courier 10cpiXR& ÿÿ8BibliogrphyBibliographyà0..àà°..°àÌÌfpÿÿ2Doc InitInitialize Document StyleÓ€ÓÈÓS€ !    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A. a.(1)(a) i) a)SÓØØ (ÿÿ$˜˜Ìà0 àà à(ÿÿ$™™à0 àà0 àà à((ÿÿ$ššà0 àà0 àà0 àà à  ÿÿA_ekqw‡DocumentDocument StyleI.1.A.a.(1)(a)i)a)joÿÿ4Tech InitInitialize Technical StyleÓS€ #  1 .1 .1 .1 .1 .1 .1 .1 þSÓØØ ÿÿCuy±ÉåTechnicalTechnical Document Style11.11.1.11.1.1.11.1.1.1.11.1.1.1.1.11.1.1.1.1.1.11.1.1.1.1.1.1.1x?ãt2PleadingHeader for numbered pleading paperÓÈÓÑ °ÑÑè°ÑÖ€%ÿÿÖ ˜Ý ƒ&8R(ÝÓ  ÓÝ  ÝÔ€.[XXXÔÓÈÓÒX°ÒÒ°°ÒÓÿÿÀ°œXÓß?€0''ü°ø*–dEü°ø*?ßß?€0''°ø*–dE°ø*?ßÌÌàHHÀà1ˆÌÌàHHÀà2ˆÌÌàHHÀà3ˆÌÌàHHÀà4ˆÌÌàHHÀà5ˆÌÌàHHÀà6ˆÌÌàHHÀà7ˆÌÌàHHÀà8ˆÌÌàHHÀà9ˆÌÌàÐÐÀà10ˆÌÌàÐÐÀà11ˆÌÌàÐÐÀà12ˆÌÌàÐÐÀà13ˆÌÌàÐÐÀà14ˆÌÌàÐÐÀà15ˆÌÌàÐÐÀà16ˆÌÌàÐÐÀà17ˆÌÌàÐÐÀà18ˆÌÌàÐÐÀà19ˆÌÌàÐÐÀà20ˆÌÌàÐÐÀà21ˆÌÌàÐÐÀà22ˆÌÌàÐÐÀà23ˆÌÌàÐÐÀà24ˆÌÌàÐÐÀà25ˆÌÌàÐÐÀà26ˆÌÌàÐÐÀà27ˆÌÌàÐÐÀà28Ô  à.À+Ô('28R$¨¨Ý ƒ/¤U!ÝÓ  ÓÝ  ݘHP LaserJet 4100 PCL 6ÈÈÈÈÈÈÈÈ0('28R$§§Ý ƒ/¤U!ÝÓ  ÓÝ  Ý('28R$©©Ý ƒ/¤U!ÝÓ  ÓÝ  Ý  ÿÿCƒ‰•›£«±Right ParRight-Aligned Paragraph NumbersI.A.1.a.(1)(a)i)a)3|x«<þ6X9`("Courier 10cpiXôxþ6X@É“8Ç;X@( ¤U$¡¡Ó  Ó d“{m4 ´zK3(#(# !Ý ƒ)8R'ÝÓ  ÓÝ  ÝÔ_ÔÔ€6XyXXXÔÔ€6&h>%X6XyÔTexas€Natural€Resource€Conservation€Commissionà€,!,!,!(#àPage€Ú  Ú1Ú  ڈР° ÐChapter€330€„€Municipal€Solid€WasteÐ ŽÞ ÐÌ),hä  Z 2CG Times (W1) Regular((3¾$¦¦Ý ƒ/¤U!ÝÓ  ÓÝ  Ý ÿU‹ÿÀÀÀ)LÀÄ  Z(CG Times RegularÝ ƒ/¤U!ÝÓ  ÓÝ  ÝÔ_ÔÔ€?XyXXXÔÔ€?&h>%X?XyÔÑ  ÑÖ€5ÿÿÖÓ  Óò òÔ_ÔSUBCHAPTERÔ_Ô€J€:€CLOSURE€AND€POST„CLOSUREÐ ð Ððððð330.250„330.256Ð Î Þ ÐEffective€March€21,€2000ó óÐ ¬ ¼ ÐÓ–ÓÌÌò òðð330.250.€€Applicability.ó óÐ F V ÐÌà  à(a)€€The€requirements€in€this€Ô_ÔsubchapterÔ_Ô€apply€to€all€Ô_ÔMSWLFÔ_Ô€units€or€Ô_ÔMSWÔ_Ô€sites€as€defined€inÐ  Ððð330.41€of€this€title€(relating€to€Types€of€Municipal€Solid€Waste€Facilities),€except€as€provided€inÐ àð Ððð330.3(b)€and€(c)€of€this€title€(relating€to€Applicability),€in€ðð330.251€of€this€title€(relating€to€ClosureÐ ¾Î  ÐRequirements€for€Ô_ÔMSWLFÔ_Ô€Units€That€Stop€Receiving€Waste€prior€to€October€9,€1991€and€Ô_ÔMSWÔ_Ô€Sites),Ð œ¬  Ðin€ðð330.252€of€this€title€(relating€to€Closure€Requirements€for€Ô_ÔMSWLFÔ_Ô€Units€That€Receive€Waste€on€orÐ zŠ  Ðafter€October€9,€1991,€But€Stop€Receiving€Waste€prior€to€October€9,€1993),€and€in€subsection€(b)€of€thisÐ Xh  Ðsection.Ð 6F  ÐÌà  à(b)€€The€owner€or€operator€of€all€existing€Ô_ÔMSWLFÔ_Ô€units€or€lateral€expansions€at€a€facility€shallÐ ò  Ðsubmit€to€the€executive€director€for€review€and€approval€a€Ô_ÔcertifiÔ_Ô„€cation€of€compliance€with€ðð330.300€ofÐ Ðà  Ðthis€title€(relating€to€Airport€Safety),€ðð330.301€of€this€title€(relating€to€Ô_ÔFloodplainsÔ_Ô),€or€ðð330.305€of€thisÐ ®¾ Ðtitle€(relating€to€Unstable€Areas),€as€applicable;€the€owner€or€operator€who€is€unable€to€comply€with€anyÐ Œœ Ðone€of€these€sections€shall€complete€final€closure€of€the€unit€or€facility€by€October€9,€1996,€and€conductÐ jz Ðpost„closure€activities€in€accordance€with€all€provisions€of€this€Ô_ÔsubchapterÔ_Ô.€€This€certification€shall€beÐ HX Ðsigned€by€the€owner€or€operator€of€the€unit€or€site€and€an€independent€registered€professional€engineer€andÐ &6 Ðsubmitted€to€the€executive€director€no€later€than€the€effective€date€of€this€title.€€All€applicableÐ  Ðdocumentation€for€this€certification€shall€be€included€in€the€Ô_ÔsubmittalÔ_Ô.Ð âò ÐÌà  à(c)€€The€deadline€for€closure€required€by€subsection€(b)€of€this€section€may€be€extended€up€to€twoÐ ž® Ðyears€if€the€owner€or€operator€of€the€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site€submits€to€the€executive€director€forÐ |Œ Ðreview€and€approval€a€request€for€an€extension€of€the€closure€deadline€that€demonstrates€to€the€satisfactionÐ Z j Ðof€the€executive€director€that€there€is€no€alternative€disposal€capacity€and€there€is€no€immediate€threat€toÐ 8!H Ðhuman€health€and€the€environment€from€the€unclosed€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site.Ð "& ÐÌò òðð330.251.€€Closure€Requirements€for€Ô_ÔMSWLFÔ_Ô€Units€That€Stop€Receiving€Waste€Prior€to€October€9,Ð Ò#â Ð1991€and€Ô_ÔMSWÔ_Ô€Sites.ó óÐ °$À  ÐÌà  à(a)€€The€final€cover€system€shall€be€composed€of€no€less€than€two€feet€of€soil.€€The€first€18€inchesÐ l&|" Ðor€more€of€cover€shall€be€of€clayey€soil,€classification€SC€or€CL€as€defined€in€the€"Unified€SoilsÐ J'Z# ÐClassification€System"€developed€by€the€United€States€Army€Corps€of€Engineers,€compacted€in€layers€ofÐ ((8$ Ðno€more€than€six€inches€to€minimize€the€potential€for€water€infiltration.€€A€CH€soil€may€be€used;€however,Ð ) % Ðthis€soil€may€experience€excessive€cracking€and€shall€therefore€be€covered€by€a€minimum€of€12€inches€ofÐ ä)ô & Ðtopsoil€to€retain€moisture.€€Other€types€of€soil€may€be€used€with€prior€written€approval€from€the€executiveÐ Â*Ò!' Ðdirector.Ð  +°"( Ðâ âÐ ~,Ž#) Ðà  à(b)€€The€final€six€inches€of€cover€shall€be€of€suitable€topsoil€that€is€capable€of€sustaining€nativeÐ ð Ðâ âplant€growth€and€shall€be€seeded€or€sodded€immediately€following€the€application€of€the€final€cover€inÐ Î Þ Ðorder€to€minimize€erosion.Ð ¬ ¼ ÐÌà  à(c)€€Side€slopes€of€the€final€cover€for€all€above„ground€disposal€areas€(aerial€fills)€shall€not€exceedÐ h x Ða€25%€grade€(four€feet€horizontal€to€one€foot€vertical).€€Side€slopes€for€the€final€cover€in€excess€of€25%Ð F V Ðmay€be€authorized€by€the€executive€director€provided€that€controlled€drainage€such€as€flumes,€diversionÐ $4 Ðterraces,€spillways,€or€other€acceptable€methods€are€incorporated€into€the€final€cover€system€design€in€theÐ  ÐSite€Development€Plan€and€submitted€to€the€executive€director€for€review€and€approval.€The€final€coverÐ àð Ðfor€the€topmost€portion€of€a€unit€or€facility€shall€have€a€gradient€of€not€less€than€2.0%€and€not€greater€thanÐ ¾Î  Ð6.0%,€and€shall€possess€a€sufficient€minimum€grade€to€preclude€Ô_ÔpondingÔ_Ô€of€surface€water€when€total€fillÐ œ¬  Ðheight€and€expected€subsidence€are€taken€into€consideration.Ð zŠ  ÐÌà  à(d)€€No€later€than€60€days€prior€to€the€initiation€of€closure€activities,€the€owner€or€operator€shallÐ 6F  Ðsubmit€the€design€and€specifications€for€the€closure€of€these€Ô_ÔMSWLFÔ_Ô€units€or€Ô_ÔMSWÔ_Ô€sites€to€the€executiveÐ $  Ðdirector€for€review€and€approval.€€The€final€cover€shall€be€installed€no€later€than€the€effective€date€of€thisÐ ò  Ðtitle.Ð Ðà  ÐÌà  à(e)€€The€owner€or€operator€of€these€Ô_ÔMSWLFÔ_Ô€units€or€Ô_ÔMSWÔ_Ô€sites€shall€comply€with€the€post„closureÐ Œœ Ðcare€maintenance€requirements€for€this€final€cover,€as€detailed€in€ðð330.254(a)€of€this€title€(relating€to€Post„Ð jz ÐClosure€Care€Maintenance€Requirements)€for€the€duration€of€the€post„closure€period€for€these€units€orÐ HX Ðsites.Ð &6 ÐÌò òðð330.252.€€Closure€Requirements€for€Ô_ÔMSWLFÔ_Ô€Units€That€Receive€Waste€on€or€after€October€9,€1991,Ð âò ÐBut€Stop€Receiving€Waste€prior€to€October€9,€1993.ó óÐ ÀÐ ÐÌà  à(a)€€The€owner€or€operator€of€these€units€shall€comply€with€all€final€cover€requirements€as€specifiedÐ |Œ Ðin€ðð330.253€of€this€title€(relating€to€Closure€Requirements€for€Ô_ÔMSWLFÔ_Ô€Units€That€Receive€Waste€on€orÐ Z j Ðafter€October€9,€1993€and€Ô_ÔMSWÔ_Ô€Sites).Ð 8!H ÐÌà  à(b)€€The€owner€or€operator€of€these€Ô_ÔMSWLFÔ_Ô€units€or€facilities€shall€comply€with€all€post„closureÐ ô" Ðcare€maintenance€requirements€for€the€final€cover€of€these€units€or€facilities€as€specified€in€ðð330.254(a)Ð Ò#â Ðof€this€title€(relating€to€Post„Closure€Care€Maintenance€Requirements).Ð °$À  ÐÌà  à(c)€€The€final€cover€shall€be€completed€within€180€days€of€the€last€receipt€of€wastes€or€by€theÐ l&|" Ðeffective€date€of€this€title,€whichever€is€later.€€Owners€or€operators€of€Ô_ÔMSWLFÔ_Ô€units€that€fail€to€completeÐ J'Z# Ðfinal€cover€installation€within€this€180„day€period€will€be€subject€to€all€requirements€of€ðð330.254(b)€of€thisÐ ((8$ Ðtitle€(relating€to€Post„Closure€Care€Maintenance€Requirements)€unless€otherwise€specified.Ð ) % ÐÌò òÓ-°,X‚X4` ˜Xÿÿ°œX-Óðð330.253.à0 4 àClosure€Requirements€for€Ô_ÔMSWLFÔ_Ô€Units€That€Receive€Waste€on€or€after€October€9,€1993Ð Â*Ò!' Ðand€Ô_ÔMSWÔ_Ô€Sites.ó óР+°"(4(#4(# Ðâ âÐ ~,Ž#) Ðà  à(a)€€The€owner€or€operator€of€these€municipal€solid€waste€landfill€facility€(Ô_ÔMSWLFÔ_Ô)€units€orÐ ð Ðâ âmunicipal€solid€waste€(Ô_ÔMSWÔ_Ô)€sites€shall€comply€with€all€requirements€of€this€Ô_ÔsubchapterÔ_Ô€unless€otherwiseÐ Î Þ Ðspecified.Ð ¬ ¼ ÐÌÐ  h x Ðà  à(b)€€Within€180€days€of€the€last€receipt€of€wastes€for€a€Ô_ÔMSWLFÔ_Ô€unit,€the€owner€or€operator€shallÐ ð Ðcomplete€the€installation€of€a€final€cover€system€for€that€unit€that€is€designed€and€constructed€to€minimizeÐ Î Þ Ðinfiltration€and€erosion.€€The€final€cover€system€shall€be€composed€of€no€less€than€two€feet€of€soil€andÐ ¬ ¼ Ðconsist€of€an€infiltration€layer€overlain€by€an€erosion€layer€as€follows.Ð Š š ÐÌà  àà 4 à(1)€€For€Ô_ÔMSWLFÔ_Ô€units€with€a€synthetic€bottom€liner,€the€infiltration€layer€shall€consist€of€aÐ F V Ðminimum€of€18€inches€of€earthen€material€with€a€coefficient€of€permeability€no€greater€than€1x10òò„5óó€cm/secÐ $4 Ðoverlain€by€a€synthetic€membrane€that€has€a€permeability€less€than€or€equal€to€the€permeability€of€anyÐ  Ðbottom€liner€system.€€The€minimum€thickness€of€the€synthetic€membrane€shall€be€20€mils,€or€60€mils€inÐ àð Ðthe€case€of€high„density€polyethylene€(Ô_ÔHDPEÔ_Ô),€in€order€to€ensure€proper€seaming€of€the€syntheticÐ ¾Î  Ðmembrane.Ð œ¬  ÐÌà  àà 4 à(2)€€For€Ô_ÔMSWLFÔ_Ô€units€with€no€synthetic€bottom€liner,€the€infiltration€layer€shall€consist€of€aÐ Xh  Ðminimum€of€18€inches€of€earthen€material€with€a€coefficient€of€permeability€less€than€or€equal€to€theÐ 6F  Ðpermeability€of€any€constructed€bottom€liner€or€natural€subsoil€present.€€The€coefficient€of€permeabilityÐ $  Ðof€the€infiltration€layer€shall€in€no€case€exceed€1x10òò„5óó€cm/sec,€even€though€the€coefficient€of€permeabilityÐ ò  Ðof€the€constructed€bottom€liner€or€natural€subsoil€is€greater€than€1x10òò„5óó€or€no€data€exist€for€the€value(s)€ofÐ Ðà  Ðthe€coefficient€of€permeability€of€the€constructed€bottom€liner€or€natural€subsoil;€andÐ ®¾ ÐÌà  àà 4 à(3)€€For€all€Ô_ÔMSWLFÔ_Ô€units,€the€erosion€layer€shall€consist€of€a€minimum€of€six€inches€ofÐ jz Ðearthen€material€that€is€capable€of€sustaining€native€plant€growth€and€shall€be€seeded€or€sodded€immediatelyÐ HX Ðfollowing€the€application€of€the€final€cover€in€order€to€minimize€erosion.Ð &6 ÐÌà  à(c)€€The€executive€director€may€approve€an€alternative€final€cover€design€that€includes:Ð âò ÐÌà  àà 4 à(1)€€an€infiltration€layer€that€achieves€an€equivalent€reduction€in€infiltration€as€the€infiltrationÐ ž® Ðlayer€specified€in€subsection€(b)(1)€or€(2)€of€this€section;€andÐ |Œ ÐÌà  àà 4 à(2)€€an€erosion€layer€that€provides€equivalent€protection€from€wind€and€water€erosion€as€theÐ 8!H Ðerosion€layer€specified€in€subsection€(b)(3)€of€this€section.Ð "& ÐÌà  à(d)€€The€owner€or€operator€of€all€Ô_ÔMSWLFÔ_Ô€units€or€lateral€expansions€at€a€facility€shall€prepare€aÐ Ò#â Ðwritten€final€closure€plan€for€Ô_ÔsubmittalÔ_Ô€to€the€executive€director€for€review€and€approval€that€describes€theÐ °$À  Ðsteps€necessary€to€close€all€Ô_ÔMSWLFÔ_Ô€units€or€Ô_ÔMSWÔ_Ô€sites€at€any€point€during€the€active€life€of€the€unit€orÐ Ž%ž! ÐÔ_ÔMSWÔ_Ô€site€in€accordance€with€ðð330.254(a)€or€(b)€of€this€title€(relating€to€Post„Closure€Care€MaintenanceÐ l&|" ÐRequirements),€as€applicable.€€The€final€closure€plan,€at€a€minimum,€shall€include€the€followingÐ J'Z# Ðinformation:Ð ((8$ ÐÌà  àà 4 à(1)€€a€description€of€the€final€cover€design€and€methods€and€procedures€to€be€used€to€installÐ ä)ô & Ðthe€cover;Ð Â*Ò!' ÐÌà  àà 4 à(2)€€an€estimate€of€the€largest€area€of€the€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site€ever€requiring€a€finalÐ ~,Ž#) Ðcover€at€any€time€during€the€active€life€of€the€unit€or€Ô_ÔMSWÔ_Ô€site;Ð \-l$* Їà  àà 4 à(3)€€an€estimate€of€the€maximum€inventory€of€wastes€ever€on€site€over€the€active€life€of€the€unitÐ ð Ðor€Ô_ÔMSWÔ_Ô€site;Ð Î Þ ÐÌà  àà 4 à(4)€€a€schedule€for€completing€all€activities€necessary€to€satisfy€the€closure€criteria;€andÐ Š š ÐÌà  àà 4 à(5)€€a€final€contour€map€depicting€the€proposed€final€contours,€establishing€top€slopes€and€sideÐ F V Ðslopes,€proposed€surface€drainage€features,€and€protection€of€any€100„year€Ô_ÔfloodplainÔ_Ô;Ð $4 ÐÌà  àà 4 à(6)€€a€detailed€written€estimate,€in€current€dollars,€of€the€cost€of€hiring€a€third€party€to€closeÐ àð Ðthe€largest€area€of€all€Ô_ÔMSWLFÔ_Ô€units€ever€requiring€a€final€cover€at€any€time€during€the€active€life€whenÐ ¾Î  Ðthe€extent€and€manner€of€its€operation€would€make€closure€most€expensive,€as€indicated€by€the€closure€planÐ œ¬  Ðand€which€satisfies€the€requirements€specified€in€Ô_ÔSubchapterÔ_Ô€K€of€this€chapter€(relating€to€Closure,€Post„Ð zŠ  ÐClosure,€and€Corrective€Action).€€During€the€active€life€of€the€Ô_ÔMSWLFÔ_Ô€unit,€the€owner€or€operator€shallÐ Xh  Ðannually€adjust€the€closure€cost€estimate€and€the€amount€of€financial€assurance€for€inflation€in€accordanceÐ 6F  Ðwith€Chapter€37,€Ô_ÔSubchapterÔ_Ô€R€of€this€title€(relating€to€Financial€Assurance€for€Municipal€Solid€WasteÐ $  ÐFacilities).€€The€revised€closure€cost€estimate€shall€be€submitted€to€the€executive€director.€€Evidence€of€anyÐ ò  Ðadditional€financial€assurance€shall€be€provided€to€the€executive€director€within€30€days€after€the€annualÐ Ðà  Ðanniversary€date.Ð ®¾ ÐÌà  à(e)€€Implementation€of€the€final€closure€plan€is€as€follows.Ð jz ÐÌà  àà 4 à(1)€€The€owner€or€operator€of€all€existing€Ô_ÔMSWLFÔ_Ô€units€and€lateral€expansions€at€a€facilityÐ &6 Ðshall€submit€to€the€executive€director€for€review€and€approval€the€final€closure€plan€required€by€subsectionÐ  Ð(d)€of€this€section€and€place€a€copy€of€the€approved€final€closure€plan€in€the€operating€record€no€later€thanÐ âò Ðthe€effective€date€of€this€title€or€by€the€initial€receipt€of€waste,€whichever€is€later.€€For€all€new€Ô_ÔMSWLFÔ_ÔÐ ÀÐ Ðunits€or€Ô_ÔMSWÔ_Ô€sites,€the€final€closure€plan€shall€be€submitted€to€the€executive€director€for€review€andÐ ž® Ðapproval€in€conjunction€with€the€site€development€plan.Ð |Œ ÐÌà  àà 4 à(2)€€No€later€than€45€days€prior€to€the€initiation€of€closure€activities€for€a€Ô_ÔMSWLFÔ_Ô€unit€orÐ 8!H ÐÔ_ÔMSWÔ_Ô€site,€the€owner€or€operator€of€the€unit€or€Ô_ÔMSWÔ_Ô€site€shall€provide€written€notification€to€the€executiveÐ "& Ðdirector€of€the€intent€to€close€the€unit€or€Ô_ÔMSWÔ_Ô€site€and€place€this€notice€of€intent€in€the€operating€record.Ð ô" ÐÌà  àà 4 à(3)€€No€later€than€90€days€prior€to€the€initiation€of€a€final€facility€closure,€the€owner€or€operatorÐ °$À  Ðshall,€through€a€public€notice€in€the€newspaper(s)€of€largest€circulation€in€the€vicinity€of€the€facility,Ð Ž%ž! Ðprovide€public€notice€for€final€facility€closure.€€This€notice€shall€provide€the€name,€address,€and€physicalÐ l&|" Ðlocation€of€the€facility,€the€permit€number,€and€the€last€date€of€intended€receipt€of€waste.€The€owner€orÐ J'Z# Ðoperator€shall€also€make€available€an€adequate€number€of€copies€of€the€approved€final€closure€and€post„Ð ((8$ Ðclosure€plans€for€public€access€and€review.Ð ) % ÐÌà  àà 4 à(4)€€The€owner€or€operator€of€all€Ô_ÔMSWLFÔ_Ô€units€at€a€facility€or€of€a€Ô_ÔMSWÔ_Ô€site€shall€begin€finalÐ Â*Ò!' Ðclosure€activities€for€each€unit€or€site€no€later€than€30€days€after€the€date€on€which€the€unit€or€site€receivesÐ  +°"( Ðthe€known€final€receipt€of€wastes€or,€if€the€unit€or€site€has€remaining€capacity€and€there€is€a€reasonableÐ ~,Ž#) Ðlikelihood€that€the€unit€or€site€will€receive€additional€wastes,€no€later€than€one€year€after€the€most€recentÐ \-l$* Ðreceipt€of€wastes.€€A€request€for€an€extension€beyond€the€one„year€deadline€for€the€initiation€of€finalÐ ð Ðclosure€may€be€submitted€to€the€executive€director€for€review€and€approval€and€shall€include€all€applicableÐ Î Þ Ðdocumentation€necessary€to€demonstrate€that€the€unit€or€site€has€the€capacity€to€receive€additional€wasteÐ ¬ ¼ Ðand€that€the€owner€or€operator€has€taken€and€will€continue€to€take€all€steps€necessary€to€prevent€threats€toÐ Š š Ðhuman€health€and€the€environment€from€the€unclosed€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site.Ð h x ÐÌà  àà 4 à(5)€€The€owner€or€operator€of€a€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site€shall€complete€final€closureÐ $4 Ðactivities€for€the€unit€or€site€in€accordance€with€the€approved€final€closure€plan€within€180€days€followingÐ  Ðthe€initiation€of€final€closure€activities€as€specified€in€paragraph€(7)€of€this€subsection.€€A€request€for€anÐ àð Ðextension€for€the€completion€of€final€closure€activities€may€be€submitted€to€the€executive€director€forÐ ¾Î  Ðreview€and€approval€and€shall€include€all€applicable€documentation€necessary€to€demonstrate€that€finalÐ œ¬  Ðclosure€will,€of€necessity,€take€longer€than€180€days€and€all€steps€have€been€taken€and€will€continue€to€beÐ zŠ  Ðtaken€to€prevent€threats€to€human€health€and€the€environment€from€the€unclosed€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_ÔÐ Xh  Ðsite.Ð 6F  ÐÌà  àà 4 à(6)€€Following€completion€of€all€final€closure€activities€for€the€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site,€theÐ ò  Ðowner€or€operator€shall€submit€to€the€executive€director€for€review€and€approval€a€documentedÐ Ðà  Ðcertification,€signed€by€an€independent€registered€professional€engineer,€verifying€that€final€closure€hasÐ ®¾ Ðbeen€completed€in€accordance€with€the€approved€final€closure€plan.€€The€Ô_ÔsubmittalÔ_Ô€to€the€executive€directorÐ Œœ Ðshall€include€all€applicable€documentation€necessary€for€certification€of€final€closure.€€Once€approved,€thisÐ jz Ðcertification€shall€be€placed€in€the€operating€record.Ð HX ÐÌà  àà 4 à(7)€€Upon€notification€to€the€executive€director€as€specified€in€paragraph€(2)€of€this€subsection,Ð  Ðthe€owner€or€operator€of€a€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site€shall€post€a€minimum€of€one€sign€at€the€mainÐ âò Ðentrance€and€all€other€frequently€used€points€of€access€for€the€facility€notifying€all€persons€who€may€utilizeÐ ÀÐ Ðthe€facility€or€site€of€the€date€of€closing€for€the€entire€facility€or€site€and€the€prohibition€against€furtherÐ ž® Ðreceipt€of€waste€materials€after€the€stated€date.€€Further,€suitable€barriers€shall€be€installed€at€all€gates€orÐ |Œ Ðaccess€points€to€adequately€prevent€the€unauthorized€dumping€of€solid€waste€at€the€closed€facility€or€site.Ð Z j ÐÌà  àà 4 à(8)€€Within€10€days€after€completion€of€final€closure€activities€of€a€facility€or€site,€the€ownerÐ "& Ðor€operator€shall€submit€to€the€executive€director€a€certified€copy€of€an€"affidavit€to€the€public"€inÐ ô" Ðaccordance€with€the€requirements€of€ðð330.7€of€this€title€(relating€to€Deed€Ô_ÔRecordationÔ_Ô)€and€place€a€copyÐ Ò#â Ðof€the€affidavit€in€the€operating€record.€€In€addition,€the€owner€or€operator€of€the€closed€facility€or€siteÐ °$À  Ðshall€record€a€certified€notation€on€the€deed€to€the€facility€or€site€property,€or€on€some€other€instrumentÐ Ž%ž! Ðthat€is€normally€examined€during€title€search,€that€will€in€perpetuity€notify€any€potential€purchaser€of€theÐ l&|" Ðproperty€that€the€land€has€been€used€as€a€landfill€facility€and€use€of€the€land€is€restricted€according€to€theÐ J'Z# Ðprovisions€specified€in€ðð330.255€of€this€title€(relating€to€Post„Closure€Land€Use).€€The€owner€or€operatorÐ ((8$ Ðshall€submit€a€certified€copy€of€the€modified€deed€to€the€executive€director€and€place€a€copy€of€the€modifiedÐ ) % Ðdeed€in€the€operating€record€within€the€Ô_ÔtimeframeÔ_Ô€specified€in€this€paragraph.Ð ä)ô & ÐÌà  àà 4 à(9)€€The€owner€or€operator€of€a€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site€may€request€permission€from€theÐ  +°"( Ðexecutive€director€to€remove€the€notation€from€the€deed€if€all€wastes€are€removed€from€the€facility€or€siteÐ ~,Ž#) Ðin€accordance€with€ðð330.4(a)€of€this€title€(relating€to€Permit€Required).Ð \-l$* ЇР ð Ðà  àà 4 à(10)€€Following€receipt€of€the€required€final€closure€documents,€as€applicable,€and€anÐ ð Ðinspection€report€from€the€commission's€district€office€verifying€proper€closure€of€the€Ô_ÔMSWLFÔ_Ô€facility€orÐ Î Þ Ðsite€according€to€the€approved€final€closure€plan,€the€executive€director€may€acknowledge€the€terminationÐ ¬ ¼ Ðof€operation€and€closure€of€the€facility€or€site€and€deem€it€properly€closed.€€Post„closure€care€maintenanceÐ Š š Ðshall€begin€immediately€upon€the€date€of€final€closure€as€approved€by€the€executive€director.Ð h x ÐÌà  à(f)€€Quality€control€testing€documentation€is€as€follows.€€Each€owner€or€operator€responsible€forÐ $4 Ðplacing€and€compacting€clay€soils€for€the€final€cover€infiltration€layer€shall€test€the€18€inches€of€compactedÐ  Ðmaterial€for€its€coefficient€of€permeability€at€a€frequency€of€no€less€than€one€test€per€surface€acre€of€finalÐ àð Ðcover.€€Permeability€data€shall€be€submitted€to€the€executive€director€in€a€format€stipulated€in€technicalÐ ¾Î  Ðguidelines€furnished€by€the€executive€director.Ð œ¬  ÐÌAdopted€February€24,€2000à€3(#àEffective€March€21,€2000ˆÐ Xh  ÐÌò òðð330.254.€€Post„Closure€Care€Maintenance€Requirements.ó óÐ $  ÐÌà  à(a)€€Post„closure€care€maintenance€requirements€for€municipal€solid€waste€landfill€facilityÐ Ðà  Ð(Ô_ÔMSWLFÔ_Ô)€units€closing€prior€to€October9,€1993,€and€municipal€solid€waste€(Ô_ÔMSWÔ_Ô)€sites.Ð ®¾ ÐÌà  àà 4 à(1)€€For€a€minimum€of€the€first€five€years€after€the€completion€of€final€closure,€the€owner€orÐ jz Ðoperator€shall€retain€the€right€of€entry€to€and€maintain€all€rights„of„way€of€a€closed€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_ÔÐ HX Ðsite€in€order€to€conduct€periodic€inspections€of€the€closed€unit€or€site.€€The€owner€or€operator€shall€correct,Ð &6 Ðas€needed,€erosion€of€cover€material,€lack€of€vegetative€growth,€leachate€or€methane€migration,€andÐ  Ðsubsidence€or€Ô_ÔpondingÔ_Ô€of€water€on€the€unit€or€site.€€If€any€of€these€problems€occur€after€the€end€of€the€five„Ð âò Ðyear€post„closure€maintenance€period€or€persist€for€longer€than€the€first€five€years€of€post„closure€careÐ ÀÐ Ðmaintenance,€the€owner€or€operator€shall€be€responsible€for€their€correction€until€the€executive€directorÐ ž® Ðdetermines€that€all€problems€have€been€adequately€resolved.€€The€executive€director€may€reduce€the€post„Ð |Œ Ðclosure€maintenance€period€for€Ô_ÔMSWÔ_Ô€sites€if€all€wastes€and€waste€residues€have€been€removed€duringÐ Z j Ðclosure.Ð 8!H ÐÌà  àà 4 à(2)€€Any€monitoring€programs€(groundwater€monitoring,€resistivity€surveys,€methaneÐ ô" Ðmonitoring,€etc.)€in€effect€during€the€life€of€the€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site€shall€be€continued€during€theÐ Ò#â Ðpost„closure€care€maintenance€period.Ð °$À  ÐÌà  à(b)€€Post„closure€care€maintenance€requirements€for€Ô_ÔMSWLFÔ_Ô€units€closing€on€or€after€October9,Ð l&|" Ð1993.Ð J'Z# ÐÌÔ‡6&h>%%?&h>Ôà  àà 4 à(1)€€Immediately€upon€completion€of€final€closure€requirements€for€a€Ô_ÔMSWLFÔ_Ô€unit€as€approvedÐ ) % Ðby€the€executive€director,€the€owner€or€operator€shall€conduct€post„closure€care€maintenance€for€the€unitÐ ä)ô & Ðor€facility€for€30€years,€except€as€specified€by€paragraph€(2)(A)€or€(B)€of€this€subsection.€Post„closure€careÐ Â*Ò!' Ðmaintenance€shall€consist,€at€a€minimum,€of€the€following.Ð  +°"( ÐÌÐ  \-l$* Ðà  àà 4 àà ` à(A)€€The€owner€or€operator€shall€retain€the€right€of€entry€to€the€closed€unit€and€shallÐ ð Ðmaintain€all€rights„of„way€and€conduct€maintenance€and/or€Ô_ÔremediationÔ_Ô€activities,€as€needed,€in€order€toÐ Î Þ Ðmaintain€the€integrity€and€effectiveness€of€all€final€cover,€site€vegetation,€and€drainage€control€system(s),Ð ¬ ¼ Ðto€correct€any€effects€of€settlement,€subsidence,€Ô_ÔpondedÔ_Ô€water,€erosion,€or€other€events€or€failuresÐ Š š Ðdetrimental€to€the€integrity€of€the€closed€unit€and€to€prevent€any€surface€run„on€and€run„off€from€erodingÐ h x Ðor€otherwise€damaging€the€final€cover€system.Ð F V ÐÌà  àà 4 àà ` à(B)€€The€owner€or€operator€shall€maintain€and€operate€the€leachate€collection€system€inÐ  Ðaccordance€with€the€requirements€in€ðð330.200€and€ðð330.201€of€this€title€(relating€to€Design€Criteria€andÐ àð ÐLeachate€Collection€System,€respectively).€€The€executive€director€may€allow€the€owner€or€operator€to€stopÐ ¾Î  Ðmanaging€leachate€if€the€owner€or€operator€demonstrates€to€the€approval€of€the€executive€director€thatÐ œ¬  Ðleachate€no€longer€poses€a€threat€to€human€health€and€the€environment.Ð zŠ  ÐÌà  àà 4 àà ` à(C)€€The€owner€or€operator€shall€monitor€groundwater€in€accordance€with€the€requirementsÐ 6F  Ðof€ðððð330.230-330.242€of€this€title€(relating€to€Groundwater€Monitoring€and€Corrective€Action)€andÐ $  Ðmaintain€the€groundwater€monitoring€system,€if€applicable.Ð ò  ÐÌà  àà 4 àà ` à(D)€€The€owner€or€operator€shall€maintain€and€operate€the€gas€monitoring€system€inÐ ®¾ Ðaccordance€with€the€requirements€of€ðð330.54€of€this€title€(relating€to€Technical€Requirements€of€Part€IIIÐ Œœ Ðof€the€Application).Ð jz ÐÌà  àà 4 àà ` à(E)€€The€owner€or€operator€shall€continue€earth€electrical€resistivity€surveys€at€theÐ &6 Ðfrequency€stated€in€the€approved€site€development€plan.Ð  ÐÌà  àà 4 à(2)€€The€length€of€the€post„closure€care€maintenance€period€may€be:Ð ÀÐ ÐÌà  àà 4 àà ` à(A)€€decreased€by€the€executive€director€if€the€owner€or€operator€submits€to€the€executiveÐ |Œ Ðdirector€for€review€and€approval€a€documented€certification,€signed€by€an€independent€registeredÐ Z j Ðprofessional€engineer€and€including€all€applicable€documentation€necessary€to€support€the€certification,€thatÐ 8!H Ðdemonstrates€that€the€reduced€period€is€sufficient€to€protect€human€health€and€the€environment;€orÐ "& ÐÌà  àà 4 àà ` à(B)€€increased€by€the€executive€director€if€it€is€determined€that€the€lengthened€period€isÐ Ò#â Ðnecessary€to€protect€human€health€and€the€environment.Ð °$À  ÐÔ#†?&h>%%6&h>Ih#ÔÌà  àà 4 à(3)€€The€owner€or€operator€of€all€existing€Ô_ÔMSWLFÔ_Ô€units€or€lateral€expansions€at€a€facility€shallÐ l&|" Ðsubmit€a€post„closure€plan€to€the€executive€director€for€review€and€approval€and€place€a€copy€of€theÐ J'Z# Ðapproved€post„closure€plan€in€the€operating€record€no€later€than€the€effective€date€of€this€title€or€by€theÐ ((8$ Ðinitial€receipt€of€waste,€whichever€is€later.€€For€all€new€Ô_ÔMSWLFÔ_Ô€units,€the€post„closure€plan€shall€beÐ ) % Ðsubmitted€to€the€executive€director€for€review€and€approval€in€conjunction€with€the€site€development€plan.€Ð ä)ô & ÐThe€post„closure€plan€shall€include,€at€a€minimum,€the€following€information:Ð Â*Ò!' ÐÌà  àà 4 àà ` à(A)€€a€description€of€the€monitoring€and€maintenance€activities€required€in€paragraph€(1)Ð ~,Ž#) Ðof€this€subsection€for€each€unit,€and€the€frequency€at€which€these€activities€will€be€performed;Ð \-l$* Їà  àà 4 àà ` à(B)€€the€name,€address,€and€telephone€number€of€the€office€or€person€responsible€forÐ ð Ðoverseeing€and/or€conducting€the€post„closure€care€maintenance€activities€at€the€closed€unit€or€facilityÐ Î Þ Ðduring€the€post„closure€period;€andÐ ¬ ¼ ÐÌà  àà 4 àà ` à(C)€€a€description€of€the€planned€uses€of€any€portion€of€the€closed€unit€during€the€post„Ð h x Ðclosure€period€in€accordance€with€ðð330.255€of€this€title€(relating€to€Post„Closure€Land€Use);Ð F V ÐÌà  àà 4 àà ` à(D)€€a€detailed€written€estimate,€in€current€dollars,€of€the€cost€of€post„closure€careÐ  Ðmaintenance€and€any€corrective€action€as€described€in€the€post„closure€care€plan€or€required€by€theÐ àð Ðcommission€and€which€satisfies€the€requirements€specified€in€Ô_ÔSubchapterÔ_Ô€K€of€this€chapter€(relating€toÐ ¾Î  ÐClosure,€Post„Closure,€and€Corrective€Action).€€The€owner€or€operator€shall€annually€adjust€this€estimateÐ œ¬  Ðand€the€amount€of€financial€assurance€for€inflation€in€accordance€with€Chapter€37,€Ô_ÔSubchapterÔ_Ô€R€of€thisÐ zŠ  Ðtitle€(relating€to€Financial€Assurance€for€Municipal€Solid€Waste€Facilities).€€The€revised€estimate€shall€beÐ Xh  Ðsubmitted€to€the€executive€director.€€Evidence€of€any€additional€financial€assurance€shall€be€provided€toÐ 6F  Ðthe€executive€director€within€30€days€after€the€annual€anniversary€date.Ð $  ÐÌAdopted€February€24,€2000à€3(#àEffective€March€21,€2000ˆÐ Ðà  ÐÌò òðð330.255.€€Post„Closure€Land€Use.ó óÐ Œœ ÐÌà  à(a)€€The€owner€or€operator€shall€submit€any€plans€for€proposed€construction€activities€or€structuralÐ HX Ðimprovements€located€on€closed€MSWLF€units€or€MSW€sites€and€not€associated€with€approved€solid€wasteÐ &6 Ðdisposal€activities,€with€supporting€documentation€in€accordance€with€subsection€(b)€of€this€section,€to€theÐ  Ðexecutive€director€for€review€and€approval.Ð âò ÐÌà  à(b)€€The€owner€or€operator€of€the€closed€MSWLF€unit€or€MSW€site€shall€submit€to€the€executiveÐ ž® Ðdirector€for€review€and€approval€a€documented€certification,€signed€by€an€independent€professionalÐ |Œ Ðregistered€engineer€and€including€all€applicable€documentation€necessary€to€support€the€certification,€thatÐ Z j Ðdemonstrates€that:Ð 8!H ÐÌà  àà 4 à(1)€€any€proposed€construction€activities€or€structural€improvements€on€the€closed€MSWLFÐ ô" Ðunit€or€MSW€site€shall€not€disturb€the€integrity€and€function€of€the€final€cover,€any€liner(s),€all€componentsÐ Ò#â Ðof€the€containment€system(s),€and€any€monitoring€system(s);Ð °$À  ÐÌà  àà 4 à(2)€€the€post„closure€activities€or€improvements€shall€not€increase€or€serve€to€create€anyÐ l&|" Ðpotential€threat€to€human€health€and€the€environment€or€that€the€proposed€activities€or€improvements€areÐ J'Z# Ðnecessary€to€reduce€a€potential€threat€to€human€health€and€the€environment;€andÐ ((8$ ÐÌà  àà 4 à(3)€€any€proposed€modification€or€replacement€of€existing€construction€activities€or€structuralÐ ä)ô & Ðimprovements€on€any€closed€MSWLF€unit€or€MSW€site€that€may€disturb€the€integrity€and€function€of€anyÐ Â*Ò!' Ðportion€of€the€final€cover,€any€liner(s),€any€components€of€the€containment€system(s),€or€any€monitoringÐ  +°"( Ðsystem(s)€shall€not€increase€nor€serve€to€create€any€potential€threat€to€human€health€and€the€environment.Ð ~,Ž#) ÐÐ \-l$* Ðà  à(c)€€Any€construction€activities€or€structural€improvements€on€any€portion€of€a€closed€MSWLF€unitÐ ð Ðor€MSW€site€during€the€post„closure€period€shall,€at€a€minimum,€meet€the€following€conditions.Ð Î Þ ÐÌà  àà 4 à(1)€€Automatic€methane€gas€sensors€designed€to€trigger€an€audible€alarm€when€methaneÐ Š š Ðconcentrations€greater€than€1%€volume€in€air€are€detected€shall€be€installed€in€all€buildings€and€structuresÐ h x Ðconstructed€on€a€closed€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site.Ð F V ÐÌà  àà 4 à(2)€€Enclosed€Ô_ÔsubgradeÔ_Ô€construction€is€prohibited.Ð  ÐÌà  àà 4 à(3)€€All€buildings€and€structures€shall€be€constructed€to€mitigate€the€effects€of€gas€accumulationÐ ¾Î  Ðand€may€include€an€active€gas€collection€or€vent€system.Ð œ¬  ÐÌà  àà 4 à(4)€€Unauthorized€pilings€in€or€through€the€final€cover€or€any€liner€are€prohibited.Ð Xh  ÐÌà  àà 4 à(5)€€Unauthorized€Ô_ÔboringsÔ_Ô€or€other€penetrations€of€the€final€cover€or€any€liner€are€prohibited.Ð $  ÐÌà  à(d)€€The€executive€director€may€approve€other€disturbances€of€a€closed€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€siteÐ Ðà  Ðif€the€owner€or€operator€submits€to€the€executive€director€for€review€and€approval€a€certification€thatÐ ®¾ Ðdemonstrates€that€the€disturbance,€€including€the€removal€of€any€waste,€shall€not€cause€harm€to€the€integrityÐ Œœ Ðand€function€of€the€final€cover,€any€liner(s),€any€components€of€the€containment€system(s),€or€anyÐ jz Ðmonitoring€system(s)€and€shall€not€increase€nor€serve€to€create€any€potential€threat€to€human€health€or€theÐ HX Ðenvironment.€€This€certification€shall€be€signed€by€the€owner€or€operator€of€the€unit€or€facility€and€anÐ &6 Ðindependent€registered€professional€engineer€and€shall€include€all€applicable€documentation€necessary€forÐ  Ðthe€certification.Ð âò ÐÌà  à(e)€€The€executive€director€may€require€that€additional€soil€layers€or€building€pads€be€placed€onÐ ž® Ðthe€final€cover€prior€to€the€initiation€of€any€construction€activity€or€structural€improvements€in€order€toÐ |Œ Ðprotect€the€integrity€and€function€of€the€final€cover,€any€liner(s),€any€components€of€the€containmentÐ Z j Ðsystem(s),€or€any€monitoring€system(s).Ð 8!H ÐÌà  à(f)€€Any€on„site€permanent€enclosed€structures€built€within€1,000€feet€of€any€waste„holding€areaÐ ô" Ðfor€a€closed€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_Ô€site€shall,€at€a€minimum,€be€designed€and€constructed€in€accordanceÐ Ò#â Ðwith€the€following€criteria€in€order€to€prevent€gas€migration€into€buildings€and€other€structures.Ð °$À  ÐÌà  àà 4 à(1)€€A€Ô_ÔgeomembraneÔ_Ô€or€equivalent€system€with€very€low€gas€permeability€shall€be€installedÐ l&|" Ðbetween€the€slab€and€Ô_ÔsubgradeÔ_Ô.Ð J'Z# ÐÌà  àà 4 à(2)€€A€permeable€layer€of€a€minimum€thickness€of€12€inches,€composed€of€an€open„graded,Ð ) % Ðclean€aggregate€material,€shall€be€installed€between€the€Ô_ÔgeomembraneÔ_Ô€and€the€slab€or€Ô_ÔsubgradeÔ_Ô.Ð ä)ô & ÐÌà  àà 4 à(3)€€A€Ô_ÔgeotextileÔ_Ô€filter€shall€be€utilized€to€prevent€the€introduction€of€fine€soil€or€otherÐ  +°"( Ðparticulate€matter€into€the€permeable€layer.Ð ~,Ž#) ÐÐ \-l$* Ðà  àà 4 à(4)€€Perforated€venting€pipes€shall€be€installed€within€the€permeable€layer€and€shall€be€designedÐ ð Ðto€operate€without€clogging.Ð Î Þ ÐÌà  àà 4 à(5)€€The€venting€pipes€shall€be€constructed€to€allow€connection€to€an€induced„draft€exhaustÐ Š š Ðsystem;€andÐ h x ÐÌà  àà 4 à(6)€€Automatic€methane€gas€sensors€shall€be€installed€within€the€venting€pipe€and/or€permeableÐ $4 Ðgas€layer€and€inside€the€building€or€any€other€structure€in€order€to€trigger€an€audible€alarm€when€methaneÐ  Ðgas€concentrations€greater€than€25%€of€the€lower€explosive€limit€are€detected.Ð àð ÐÌò òðð330.256.€€Completion€of€Post„Closure€Care€Maintenance.ó óÐ œ¬  ÐÌà  àFollowing€completion€of€the€post„closure€care€maintenance€period€for€each€Ô_ÔMSWLFÔ_Ô€unit€or€Ô_ÔMSWÔ_ÔÐ Xh  Ðsite,€the€owner€or€operator€shall€submit€to€the€executive€director€for€review€and€approval€a€documentedÐ 6F  Ðcertification,€signed€by€an€independent€registered€professional€engineer,€verifying€that€post„closure€careÐ $  Ðmaintenance€has€been€completed€in€accordance€with€the€approved€post„closure€plan.€€The€Ô_ÔsubmittalÔ_Ô€to€theÐ ò  Ðexecutive€director€shall€include€all€applicable€documentation€necessary€for€the€certification€of€completionÐ Ðà  Ðof€post„closure€care€maintenance.€€Once€approved,€this€certification€shall€be€placed€in€the€operating€record.Ð ®¾ Ð