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D partment of Toxic Substances Control <br /> Edwin F. Lowry, Director <br /> 700 Heinz Avenue, Suite 200 <br /> Winston H. Hickox Berkeley, California 94710-2721 Gray Davis <br /> Agency Secretary Governor <br /> California Environmental <br /> Protection Agency <br /> TIP - 5 <br /> TANK INTEGRETY ASSESSMENTS <br /> (Available electronically at http://w\wv.dtsc.ca.gov/??) <br /> January 1, 2002 <br /> To: Local Agencies and Other Interested Parties <br /> The purpose of this letter is to provide information regarding the requirements for <br /> performing hazardous waste tank integrity assessments. The requirements for tanks <br /> are largely depend nt upon the age of the system, the type of waste in the tank, and in <br /> some cases, the total amount of waste generated by the facility. This letter includes a <br /> short checklist/work heet to assist you in determining the proper status of the tank or <br /> tank system. <br /> Where do I start? <br /> The first step in det rmining a tank or tank system's requirements is to determine when <br /> the tank was install d, what type of waste in held in the tank, the use of the tank <br /> (treatment vs. accu ulation/storage) and the facility's accumulation status. There are <br /> seven basic groups, each of which has its assessment standards outlined in an <br /> appendix to this TIP <br /> 1 . Tiered Pe miffing system tanks (Conditional Exemption, Conditional <br /> Authorization or Permit-by-rule) <br /> 2. Existing tank, non-RCRA waste accumulation only <br /> 3. New tank,,non-RCRA waste accumulation only <br /> 4. Existing tank, RCRA waste accumulation, RCRA exempt/RCRA conditionally <br /> exempt small quantity generator (CESQG)/RCRA small quantity generator <br /> (SQG) <br /> 5. New tank, RCRA waste accumulation, RCRA exempt/RCRA conditionally <br /> exempt small quantity generator (CESQG)/RCRA small quantity generator <br /> (SQG) <br /> 6. Existing tank, RCRA waste accumulation only <br /> 7. New tank, CRA waste accumulation only <br /> In most cases, the in tallation of secondary containment that meets regulatory <br /> standards will eliminate the need for ongoing assessment of tank integrity. <br /> What is a Tiered Permitting system tank? <br /> A Tiered Permitting system tank is any tank that is used as an integral part of an onsite <br /> treatment system authorized under Permit-by-rule, conditional authorization, and/or <br /> conditional exemption. The unit specific page of the notification documents the number <br /> The energy challenge facin California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple w ys you can reduce demand and cut your energy costs,see our Web-site at www.dtsc.ca.gov. <br /> S Printed on Recycled Paper <br />