2011-01-13_HYDROLOGY - M1999050 ‎(2)‎

• Permit No: M1999050
• IBM Index Class Name: HYDROLOGY
• Doc Date: 1/13/2011
• Doc Name: Spill Prevention Control and Countermeasures Plan.
• From: Connell Resources
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Connell Resources Timnath Pit
Spill Prevention Control and Countermeasures Plan
Revision Date: June 25, 2009
Section 17.0 Bulk Storage Containers [112.8(c)]
Page 17-2
17.5 Partially Buried or Bunkered Metallic Tanks [112.8(c)(5)]
Not Applicable - The Facility does not have partially buried metallic storage tanks
17.6 Testing [112.8(c)(6)]
Visual observations of the aboveground storage tanks are conducted by facility personnel
' during operating hours. Formal (i.e., documented) assessments are conducted monthly to
examine the exterior of the aboveground tanks and the containment areas. Procedures for
conducting the assessments and the forms for documenting the assessments are included
' in Appendix C. Personnel conducting the inspections are required to review this inspection
procedure (i.e., as training).
Aboveground steel tanks are inspected periodically in general accordance with the
American Petroleum Institute (API) 653 Tank Inspection, Repair, Alteration, and
Reconstruction and/or the Steel Tank Institute (STI) SP001-03 Standard For Inspection of
In-Service Shop Fabricated Aboveground Tanks for Storage of Combustible And Flammable
Liquids.
The EPA has provided guidance on integrity testing that states that, in lieu of integrity testing
a facility may use visual inspections for tanks meeting the following criteria:
• Well-designed shop-built container,
• Shell capacity of less than or equal to 30,000 gallons, and
• Either all sides of the container are visible for inspection, or a barrier is placed
between the tank and the ground surface.
The Tank Information Sheets in Appendix B identify the single-walled steel tanks that meet
this criteria and for which visual inspections alone will be used (i.e., visual as equivalent
environmental protection criteria).
17.7 Internal Heating Coils [112.8(c)(7)]
A discharge from the internal heating coils would discharge to the site detention pond.
17.8 Fail-Safe Engineering [112.8(c)(8)]
Appendix B lists the types of fail-safe engineering devices used on the bulk storage tanks.
For bulk storage tanks without level gauges, the levels are checked to determine the amount
of product that can be added prior to filling the tank and the level is monitored continually
during filling. Connell personnel monitor the tank levels during tank loading activities. Level
alarms and gauges are tested once per year at a minimum.