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1 w 1 (Turbine) 91.00 91.00 92.125 92.375 2 92.50 90.75 91.625 92.375 3 93.00 91.00 91.375 92.00 4 93.25 91.125 91.375 91.50 5 93.25 91.50 91.00 91.375 6 (Fill) 91.875 91.00 92.00 92.00 The inspection protocol we agreed to follow is described in the County's document entitled "Evaluation of Single-Wall Underground Tank Systems", which references Title 23 of the CCR, Section 2663. The applicable test described in this section is as follows: "The special inspector shall take interior diameter measurements and, if the cross-section of the tank has compressed more than one percent of the original diameter, the tank shall neither be certified nor returned to service unless the tank is excavated and repaired to correct the compression" Based upon this criteria, both the 87 and 89 octane tanks should be accepted by the County. These measurements, as well as the absence of any unrepairable structural damage, have been confirmed by the special inspector, who will be submitting a written report to me tomorrow afternoon. I will be forwarding a copy of the inspector's report to you as soon as it is available. The 92 octane tank, which is 6 years older than the other two tanks, and is located in a separate tank hole, did not meet the required testing criteria and will need to be replaced. The minimum diameter measured was 90.75 inches, which exceeds the 1% allowance. Based upon the inspection results, we are preparing plans for replacement of all existing product and vapor recovery piping, replacement of the 92 octane tank with a new, 12,000 ga Xerxes DW fiberglass tank, under dispenser containment, and upgrading the existing 89 and 87 octane tanks with turbine sumps and related monitoring. Plans will ready for submittal on this basis by the middle of next week. We will pay all fees required for expedited plan check. . z