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0 0 Page 1 of 3 <br />Raymond von Flue [EH] <br />From: Raymond von Flue [EH] <br />Sent: Monday, November 17, 2008 2:26 PM <br />To: 'Igardea@advgeoenv.com' <br />Cc: Kasey Foley [EH]; 'adeicke@advgeoenv.com' <br />Subject: RE: HW Tank Assessment for Panella Trucking <br />Luis, <br />Upon reviewing the second draft of the used oil tank assessment for Panella Trucking, more items were found to <br />be missing or need more clarification: <br />1. Remaining service life of tank: What does 50 years with maintenance mean? What type of maintenance? <br />Does 50 years include the 15 years already used or is it 50 years from the date of the assessment? <br />2. Piping: What type of material? What are the lengths (Fill and Drain)? What are the volumes? Piping must <br />also be tested. <br />3. Secondary containment: Provide a brief description of materials and coatings used to prevent migration of <br />wastes from the area. Provide a discussion of the compatibility and incompatibility of the containment surface <br />with any waste it may come in contact with. What does the statement in the assessment " all impediments in the <br />concrete block have been sealed with a suitable sealant to prevent leakage" mean? <br />4. Clarification of secondary containment calculations: tank volume calculations must include acillary equipment <br />and piping affiliated with the tank. Please relabel volume calculations as shown in the model assessment (a) 10% <br />of aggregate volume, (b) volume of largest tank with the boundary, (c) Volume from a 24hr., 25 -year storm, (d) <br />calculated volume of area and arrange data as {Larger of (a) or (b)} + {Containment area x (c)} must be < (d) <br />5. Provide a brief description of the site security, Title 22, section 66265.14. <br />If you have any questions, please feel free to give me a call. <br />Raymond von Flue <br />Senior Registered Environmental Health Specialist <br />San Joaquin County <br />Environmental Health Department <br />600 E. Main St. <br />Stockton CA 95202 <br />Voice: (209) 468-9848 <br />Fax: (209) 468-3433 <br />11/17/2008 <br />