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14: Toxic Considerations: Used mineral -based crankcase oil is the brown -to -black, oily liquid removed from <br />the engine of a motor vehicle when the oil is changed. It is similar to unused oil except it contains additional <br />chemicals from its use as an engine lubricant. The chemicals in oil include hydrocarbons, which are distilled <br />from crude oil, and various additives that improve the oil's performance. Used oil also contains chemicals <br />formed when the oil is exposed to high temperatures and pressures inside an engine. It also contains some <br />metals from engine parts and small amounts of gasoline, antifreeze, and chemicals that come from gasoline <br />when it burns inside the engine. <br />15. AST secondary containment (material/design/listed) AST has integral secondary containment via cinder <br />block concrete berm There are 3 tanks within the berm and allowing for displacement from the other ASTs, <br />the capacity of secondary storage is 810 gals which is larger than the contents of the largest container within <br />the berm There is adequate secondary capacity to account for freeboard precipitation in the berm. There is <br />no valve in the berm to release water and such operations are accomplished manually. <br />16. Damage to AST or systems. No damage reported by Owner/Operator <br />17. Comments There is slight oil residue at the base of this tank, but there are no leaks nor evidence of tank <br />overfills There is a 2 % in threaded plug at base of AST and owner/operator has been advised to maintain <br />this plug by schedulinja time to remove the plug and seal the threads. This should obviously 6e undertaken <br />at a time when the tank is empty. <br />a Dimensions of AST: Primary Vessel= 570 gals gross capacity with 535 gals usable capacity <br />Dimensions: Primary Tank: 46 in. Diam. X 73 in. Ht/ with additional 4 in. crown. <br />Berm Dimensions: 65 in W X 161 in. L X 24 in. Ht <br />b Product stored: used (waste) oil/ Specific Gravity --.950 <br />c ( 1 ) 4 in emergency vent on primaly vessel -vent not required for waste oil <br />d ( 1 ) '/2 in atmospheric vent on primM containment <br />PE certification <br />I have reviewed the data and confirm it cornplies_&/doQ&uaLcAuupLy=with CCR section 66265.192 (k) <br />IQ 1W, <br />Qp1�iR%� Printed Name ofReglsiexed PE <br />No. C55634 ; <br />Signature of istered PE <br />CiVII, <br />(seal) Date - I"� ' I .� Registration Number(! .� �b - Statc t <br />