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Site Address: 900 1/2 E VICTOR RD Record ID# PR0527770 Date of Inspection: 01/02/2019 PHOTO 1: Secondary containment capacity for the 12,000 gallon tank, containment is not sufficient, does not take into account DEF container in area. Calculation of Secondary Containment Capacity TERESI TRUCKING 900 '/z Victor Road, Lodi, California Tank Berm Containment Ca acit other The effective containment capacity is affected contents of the concrete vault, such as: ASTs, ancillary equipment or non-necessaryn. he rm precip precipitation might be he dewithinhlthermberarea. The toveray is lll berme ctapaso affcedbctyh alcoulationgfollows antd hakes the latter items into account. General lateral berm shape is a square with length (L)of 18 feet and width (W)of 22 feet.The berm total area(At,,)is calculated as: At,,t = LXW= 18ftX22ft= 396ft' The area taken up by the aboveground storage tank AST is nominal as the fluid in the tank would be released in to the general secondary containment. The area taken by afl the aboveground piping within the berm is calculated as 0% of ASTs is calculated as: The net berm area (A„et) is calculated as: 396 22 The total volume of effective concrete berm containment capacity is based practical height of the concrete berm containment and is calculated as: Vol SC = Anet (396 ft2)X 3.6 ft(average depth)= 1,452 ft3 Vol SC gallons = 1,452 ft3 X 7.48 gallons per ft3= 10,860 galions The largest spill potential within the berm is from a single 12,000 gallon AST is approximately 9,500 gallons of fuel stored above the line of the secondary containment wall (AST potion within the Secondary not considered to have to be captured). The secondary containment is built to 3 feet with a volume of 10,000 gallons and therefore i 5;0- • Staff Person Name, Cesar Ruvalcaba Page 1 of 5