The use of a "due diligence" audit of potential disposal facilities is the
single most valuable tool a PCB owner has to ascertain the quality of that facility in
its ability to assure the environmental protections the generator is seeking. If peace
of mind, regulatory compliance, and limited risk and liability are important concerns
to you, we highly recommend the audit of all prospective operations. TCI provides the
following outline to assist in preparing your own, thorough, due diligence program.
A comprehensive audit includes both paperwork and on-site aspects.
Inquiries should be made of the facility prior to an on-site
investigation. If the facility passes these threshold tests, the next step is to conduct
an on-site audit to review the actual procedures being utilized
by the facility in the disposition of the wastes.
Important Questions To Ask Before Performing An On-Site Investigation
- Does the facility have environmental impairment liability coverage? If so,
how much?
- Check with local, state/provincial, and federal environmental protection
agencies to obtain information on past violations; and assess whether the
company is viewed favorably by regulators.
- Does the facility have all required permits for the disposal of your
components at that site or is any other ultimate facility required for the
complete elimination ofall constituents of the inventory in question?
- Does that third party possess all required permits?
- Does the facility have a fully funded financial assurance closure plan in
place? Ask to see the financial mechanism which guarantees these funds. Verify
that the EPA is beneficiary and insure that annual renewals are being made.
Conducting The On-Site Audit
The following information should be gathered during the on-site visit which will
enable you to make an intelligent, informed decision as to whether the facility meets
not only U.S. environmental regulations but also your own.
Walk-Through Checklist
- How is electrical equipment being processed in-house?
- Are oil storage tanks equipped with overfill alarms?
- Is the oil storage area diked within roof and walls as required by the
regulations?
- What type of in-house cleaning equipment is employed for removal of oily
residues on metal? How are the residuals disposed?
- Is anything stored outside? If so, is there any chance of accidental
contamination via leaking or seepage into the ground?
- Inquire as to any spills, indoors or outdoors, in the facility's history.
- Is all loading or unloading done inside the building? Check the ceiling
height to ensure that untanking of substation transformers can be accomplished
inside.
- Does the facility have an impermeable membrane liner beneath the flooring?
- Check the condition of floors - are all construction joints and cracks
caulked to prevent oil seepage beneath the concrete?
- Are floors coated with sealer which is represented by the manufacturer to
resist PCBs?
- What type of washing process is used to remove residuals from:
- Distribution and Substation Transformer Tanks
- Silicon Laminations
- Core and Coil Frames
- Copper & Aluminum Coils
- Substation Radiators
- and Bushings
- Check sampling protocol and standards to be obtained through cleaning
process? Are they cleaning all metals to <10mg/100 sq. cm?
- Check volume and date of on-hand inventory to verify that first in, first
out processing is used and that the company will be capable of processing your
material in a timely manner. Does the facility have the necessary capacity
to handle anticipated or represented volumes?
- Check finished scrap material for oily residues.
- Where are solvents stored, recycled or disposed?
- Where is incinerator ash stored or disposed? Review any analysis of
incinerator ash to determine if it contains hazardous waste other than PCBs.
- Are all metals washed regardless of contamination?
- Does the facility have permits for waste water discharge, and/or air
emissions? Review permits, reports and the results of any and all inspections
regarding air and water?
Next, Look At Safety Precautions
- Training programs should include Hazardous Communications, WHMIS,
Respirators, Confined Space Entry, Hazardous Waste Handling, Metal
Cutting Training, etc.
- Is an in-depth medical monitoring program in place for all process
employees?
- What analysis does the company perform to insure against PCB
contamination (indoors, outdoors, and transportation equipment).
- Review the perspective company’s medical monitoring plan.
Then, Review Backup Documents
- Documents of Incorporation - Is there a clear line of ownership of
the facility or do you get lost in "subsidiaries of subsidiaries.?"
- Was the site audited prior to construction or start-up of the
operation, establishing a background history of possible PCB
contamination?
- Review the company’s contingency plan, closure plan, and spill
prevention control and counter measure plan.
- Previous land ownership and use - What is the history of use for
the site and others owned by the company (especially the use of the land
prior to the 1979 PCB regulations)?
- Where is non-regulated material disposed?
- Obtain copies of steel, copper & aluminum mill weight tickets, for
the purpose of mass balance determination where the company disposes of
metal, be it a scrap yard or smelter.
- Financial - Has the company made any investments in the past year
to improve or expand its processes?
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