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i«a <br />!iK>>'s <br />-'i * ■ <br />A^: <br />1^#te<IP^:i^P'-': .^i5W;ss-fe- <br />:V <br />V <br />K,«-#.-t- <br />r-lii) <br />mim <br />;I <br />■T <br />,t <br />e*ti <br />iw»£^ <br />::=' ' - •; <br />05/13/91 laEVISOR I CW80 AA1834 <br />1 <br />2 <br />3 <br />4 <br />9 <br />• <br />7 <br />f <br />9 <br />10 <br />u <br />13 <br />13 <br />14 <br />19 <br />li <br />17 <br />^ ^11 <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />29 <br />removed using comaonly employed practices so that no more than <br />2.9 eentinetees, or one inch, of residue, or 0.3 percent by <br />weight of the total capacity of the underground storage tank <br />system, remain in the system. <br />• •. • ' rvj.:'.T. .z , ■ _ <br />Subp. 3. Tamkia~o'ut of series 90 daya.XWlien an <br />underground storage tank system is temporarily closed for 90 <br />• ^ ... - <br />days or more, owners and operators must also comply with the <br />following requirementsI <br />A* lease vent I'nce open and functioning; and <br />B. cap and securt- .*11 other lines, pumps, <br />passageways, and appurtenances. <br />Subp. 4. Tanks out of service one year. When an <br />underground storage tank system is temporarily closed for more <br />m <br />bbnn 12 months, owners and opyators must permanently close the <br />underground storage tank system if it does not meet either <br />performance standards in part 7190.0100 for new underground <br />storage tank systems or the upgrading requirements in part <br />7190.0110, except that the spill and overfill cguipnenc <br />requirements do not have to be net. Owners and operators must <br />perswnently close the substandard underground storage tagk <br />systems st the end of this ll'menth period according to parts <br />7190.0410 to 7190.0440, unless the commissioner provides an <br />•sttnsion of ^e 12*moakh temporary closure'period. Owners and <br />^•rstors must complete a site assessment according to part <br />7190.0420 before such an extension can be applied for. <br />20 <br />27 <br />20 <br />29 <br />30 <br />31 <br />32 <br />33 <br />34 <br />39 <br />7190.0410 POMMOn CLOfOlt AMO aUNm-rM-SIBTXCC TO^fTORACE OP <br />MOMBSHEMO fOMtAMOi. <br />•ebpart 1. Bmquicemanta. In addition to the requirements <br />of chapter 7910, the Minnesota Oniform fire Code, owners and <br />operators must comply with the provisions im subpsrts 2 to 7 <br />relating to permanent closure end ehanges*im»service. <br />Subp. 2. HotieoToC mlosoro or rbsmto'Am 'iiwrvico.*^ At least <br />teii days before beginning either permanent closure or a <br />^ • <br />change-in>service under subparts 3 and 4, owners and operators <br />must notify the coamUsaioner of their intent to periMnently <br />aservea <br />1 <br />■i :