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DISPENSER PIPING -2- <br />The area under dispensers which do not have secondary containment must be monitored <br />visually on a daily basis. The interstitial space of dispenser piping which does have <br />secondary containment must be monitored visually on a daily basis or continuously <br />(§2632(c)(1) or 2632(c)(2) CCR, respectively). <br />19 31019 .� <br />For visual or continuous interstitial monitoring, a written statement of the routine monitoring <br />procedures must be included as part of the operating permit and available at the UST facility. <br />The written monitoring procedure must specify: <br />1) the frequency of the monitoring (either continuous or daily visual observations) <br />2) the methods, equipment, and preventive maintenance schedule of the monitoring <br />equipment (if any) <br />3) the locations of the dispensers as identified on a plot plan <br />4) the names and titles of persons responsible for performing the daily visual <br />observations and/or maintaining the monitoring equipment <br />5) a description of the training necessary for the operation of the monitoring equipment <br />A written record of results of any daily visual observations must be maintained on-site. <br />The secondary dispenser containment must be third -parry approved (such as UL -listed or <br />certified by a registered engineer) (§2631(d) CCR). During UST installation or dispenser <br />modification, the dispenser containment must be tested using manufacturers' specifications <br />and according to local agency procedures. Manufacturers' testing specifications vary. <br />Usually a water tightness test and a monitoring mechanism test are performed in the presence <br />of the local agency inspector. <br />If you have any questions regarding the regulation of dispenser piping, please contact David <br />Holtry at (916) 227-4332 or Arron Rambach at (916) 227-4483. <br />Sincerely, <br />XJaGeor a Giannopoulos <br />Supervising Engineer <br />