Code of Maine Rules › 06 - DEPARTMENT OF ENVIRONMENTAL PROTECTION › 096 - DEPARTMENT OF ENVIRONMENTAL PROTECTION - GENERAL › Chapter 691 - RULE FOR UNDERGROUND OIL STORAGE FACILITIES › Appendix 096-691-T - Containment Sumps and Spill Bucket Integrity Testing Protocol and Management of Waste Fluids

Current through 2024-29, July 17, 2024
These requirements apply to all sumps and spill buckets at
				  underground storage tank facilities. Waste fluids are encountered during
				  routine inspections of sumps and spill buckets, after spills, and during
				  integrity testing. Containment sumps must be tested for integrity in accordance
				  with the provisions of section
				  5(D)(18) and the
Recommended Practices for the Testing and Verification of Spill,
				  Overfill, Leak Detection and Secondary Containment Equipment at UST
				  Facilities
, PEI RP 1200, or the manufacturer's instructions, or an
				  alternate procedure approved by the Department. The following steps must be
				  followed to minimize the quantity and hazard of the wastes generated:
1. Routinely and before any integrity testing, wipe out the
				  sumps and spill buckets. Remove petroleum residue so that any water that enters
				  the sump or spill bucket will remain uncontaminated. Dispose of wipes and
				  absorbent material as oily debris or hazardous waste depending on test results
				  or generator knowledge;
2. Remove and properly manage in accordance with all
				  applicable local, state and federal requirements liquids that have accumulated
				  in the sumps and spill buckets. Determine by visual and olfactory means if the
				  liquids are petroleum contaminated. Clean liquids and clean test fluids with no
				  petroleum odors or sheen may be transported to a wastewater treatment facility
				  with the facility's permission, or the liquid can be collected and sent to a
				  facility authorized to accept the liquids. When new sumps are tested with clean
				  water, the test waters may be discharged onsite with the owner's permission. If
				  the liquid exhibits petroleum odors or a sheen, then the liquid must be
				  containerized, and using appropriate representative sample collection
				  procedures and sealable sample containers, sample the surface layer for
				  laboratory analysis. The analysis must be conducted by a laboratory certified
				  by the Maine Department of Health and Human Services, Laboratory Certification
				  Program using certified laboratory procedures. The analysis must include flash
				  point, TCLP, EPH, and VPH analytical method to determine proper treatment
				  and/or disposal. Alternately, the owner of the facility or generator of the
				  waste may elect to manage the waste as a hazardous waste using generator
				  knowledge of the waste. Waste that is determined to be a hazardous waste must
				  be managed in accordance with the
Hazardous Waste Management
				  Rules
, 06-096 C.M.R. ch. 850-857;
3. Examine the sumps and spill buckets for signs of damage,
				  cracks or holes. If cracks or holes exist, repair or replace the damaged item
				  in accordance with this Chapter. Do not conduct integrity testing on a sump or
				  spill bucket with a crack or hole;
4. When conducting integrity testing of sumps and spill
				  buckets, the testing company must either:
A. Utilize uncontaminated water for each test to minimize the
				  amount of petroleum contaminated liquids that will require disposal and prevent
				  introduction of potentially contaminated liquids to the containment, or
B. If water is to be reused for additional tests, the water
				  remains a product of the testing company and may be reused until it no longer
				  is acceptable for reuse, usually due to contamination. Contamination will be
				  determined through physical evidence such as sheen and olfactory means. Once
				  evidence of contamination is present, the water must be managed as a waste by
				  the testing company. The waste must be managed for disposal in accordance with
				  the provisions of section
				  2 of this appendix. The testing
				  company may not place the waste in an oil water separator or remove evidence of
				  contamination through the use of sorbent pads or other means.
C. In either case for A or B above, the testing company will
				  be responsible for the proper management and disposal of any test
				  waters;
5. Petroleum and petroleum contaminated water found in sumps
				  and spill buckets and water used for integrity testing may not be disposed on
				  the ground, in storm drains, septic systems or in surface
				  waters.