Underground Storage Tank System Closure Guidelines(Temporary Closure/Removal/Closure in Place)
This guide offers a general overview of applicable requirements. Please refer to El Dorado County Ordinance 4332 and Attachment A-D available at Solid Waste Home Page for further instructions. Additional requirements for UST closure include applicable sections of Title 23, Division 3, Chapter 16 of the California Code of Regulations and Chapter 6.7 of the California Health & Safety Code. A valid permit must be issued by this agency, prior to commencing closure activities. You must schedule an appointment with the Hazardous Materials Division (HMD) a minimum of three days prior to the commencement of temporary closure, removal or abandonment activities. A. TEMPORARY CLOSURE Temporary closure may be permitted for a period of up to one year. By the end of that period, the UST system must either be placed back into operation or removed. To apply for a temporary closure permit:
Temporary closure measures must be maintained and inspected by the designated operator every three months. Written documentation of these inspections must be maintained.
B. CLOSURE BY REMOVAL
4. Demonstrate that approval has been obtained from the following agencies, as applicable:
5. Copies of analytical results must be submitted to EMD within five days of receipt.
6. Documentation of proper disposal of all contaminated soil, rinseate, discarded product and tank certificate of destruction shall be provided to EMD within five days of receipt.
7. If tank is to be reused, provide documentation of:
C. CLOSURE IN PLACE Removal is the preferred closure method. Closure in place will only be permitted in rare circumstances related to significant potential impact on adjacent structures and documented absence of soil and/or groundwater contamination. If an owner or operator knowingly installs a tank in close proximity to a structure or knowingly installs a structure in closure proximity to a tank, closure in place will not be permitted.