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Pep Boys #710 from the date the exemption was granted. The tank system owner or operator shall submit documentation of local agency approval to the applicable CUPA for review and possible acceptance in lieu of the assessment specified in subsection (k) of this section. If there is no CUPA, or the CUPA requests that the Department make a determination, the documentation shall be submitted to the Department. Not applicable ---an exemption has not been granted by the CUPA. 0)(1) (1) tank system must have secondary containment capable of containing 100 percent of the contents of the tank and ancillary piping volume; and — this requirement is satisfied because all tanks are double walled. See tank specifications in Appendix B. (j)(2) if the tank system is exposed to precipitation, the secondary containment system must have sufficient capacity, in addition to that required in subsection 6)(1) of this section, to contain run-on and infiltration from a 25 -year, 24-hour rainfall event, The tanks are located in a building and are not exposed to precipitation, run-on or infiltration. (j)(3) tank system secondary containment shall be provided with a leak detection system that is designed and operated so that it will detect either the failure of the primary and secondary containment structure or any release of hazardous waste or accumulated liquid in the secondary containment system within 24 hours, or at the earliest practicable time if the existing detection technology or site conditions will not allow detection of a release within 24 hours. The tanks are inspected by Pep Boys employees daily and an inspection log is kept. (k) The tank system assessment shall include all of the following information: (k)(1) tank configuration (i.e., horizontal, vertical), material of construction, and gross capacity (in gallons); See tank configurations, materials of construction and capacities in Table 1. (k)(2) design standard(s), if available, according to which the tank and ancillary equipment were or will be constructed and all of the following information. (k)(2)(A) material of construction; All tanks are made of steel. See Table 1. (k)(2)(B) material thickness and the method used to determine the thickness; thicknesses were measured with an ultrasonic gauge, see Table 11 for measurements. (k)(2)(C) description of tank system piping (material, diameter); this certification is for the tanks only.