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I Of an unauthorized release or the impie,eentation of actlor,s closure period, Laken to prevent or winlwize the effects of. tl,c a release, unauthorized (y) Except for required venting, 41 p q g, all fill and acncss (9) Underground storage tanks that have experienced an locations and Pi plod shall be sealed utlllzlnr) ,luckcd µ unauthorized release do notcaps or concrete plugs, pursuant to Section 2671 of qualityis or temporary Until closure �r underground storage tank owner demonstrates. to the ideal (5) Power service shall be disconnected frow all pumps associated with the use of the undergruuud storage tank � agency's satisfaction that appropriate authorized repairs except if the pump services some other equipment wt,lcli p have been made which would allow the underground storage. is not being closed. tank to permit capable of storing hazardous substances pursuant L o the parrolt Issued by the local agency. (e) The wonituring required pursuant. to the . :- �, peewit .way be (h) Underground storage tanks that have experienced err modified or eliminnted during the temporary closure period by the local agency. The local agency shall consider, In unauthorized release and authorized methods must that cannot be repaired by waking the above decision, the need to maintain monitoring be permanently closed pursuant to in order to detect unautl,or'thed releases that may have requirements of Section 2672 of this article. oeenrred during tilt time the underground storage tµnk was Authority: used but that have not yet reached the monitoring lo::atiurry fiei,erei,c . niSC 25298.3 and been dutected. (d) The underground storage tank shall be lnspvcted by the ou„ur A.1t,pt new sectiun to read: or operator at least once every 3 months to assure that ti,e !c temporary closure actlorrs are still 11, pl¢ce. . This ;hall "7 1. 'lemparary Closure include: (nl lr,ls dilationapplies to thoseurrdergrounJ storage tanks In (1) Visual lriapactiorr of all JockaJ c:rpy and Ouocrete '411101 storage has ceased but where the owner or operatur plugs p,-oposes to retain the ability to use the underground (2) If locked caps are utilized, then at least own storage Lank within 2' years for the shall Lc substances, rally storage of hazar•Juus removed to detewine if liquids or other suLsc tar, Gg have been added to the underground storage tank or if (�) The owntr or operator shall cuwply with al.i of the there has been a' chauge in the quantity or type ul- following: litiuid added pursuant to Subsection (b)(3) of L,,1s ycaLIon. ( I) All residual liquid, solids, or sludges shall be removed and handled Authority: IIA SL' 25299.3 provisions of Chapter 6.5 I)ivJslano tile p201ofbthe Ifealth flciulr.u4e. IUSC 2529a and Safety code. (2) if the underground storage tank contajned a hazardous Adopt new section to read; substance that could produce flammable vapors at 2672, Perwanent Closure fiequirewwnts standard temperature and pressure, then the underground stura�(e tank, either in part or as a Whole, shall be {a) Owners .or underground storage tanks subject to Ic purged of the flammable vapors to levels that could J permanent C1aYui'e shall comply with either Subsection (b) of this preclude an explosion or such lower levees as way be section for underground storage tank removal or Subsection requlreJ by the lova! agency (e) of tills section for closure In place. It is not. (3) The underground storage tank may be fJiled with a essential that all portions of an underground storage tarsi; noncorrosive liquid that is not a hazardous substance, be permanently closed in the same manner; traweva.r, all This liquid must bre tasted and results submitted to the actions shall comply With the appropriate ;rub:;actlon of tills lueal a enc section. Subsections (d) and (e) of this section regarJltrg 11 Y prior to Its being removed froom the no discharge demonstration applies to all uudrrgruurrd underfiround storage tank at the end of the temporary storage t,,nks subject to peru,anent closure. ' 7.2 f i I