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March 10, 2000


Frank Termine
Molten Salt Oxidation Corporation
33 Bonair Drive
Warminster, PA 18974

Dear Mr. Termine:

This letter is in response to your September 22, 1999 letter regarding the permitting of your molten salt oxidation (MSO) process to treat hazardous waste under the Resource Conservation and Recovery Act (RCRA). You asked various permitting questions which appear below, along with our responses. However, please note that the final decisions regarding the permitting of your unit should be made by the appropriate permitting authority (i.e., the region or state where you apply for a RCRA permit).

You asked:

1) Assume we feed 1,000,000 lb/yr of a completely organic hazardous waste to the unit.

2) Suppose the waste stream in #1 contained some chlorinated hydrocarbons. Does that change any of the answers in #1 a-e?

3) Suppose the waste stream in #1 contained some heavy metals.

4) Suppose the waste stream in #1 contained some PCBs. How does that change any of the answers in #1 a-e?

5) Suppose the waste stream in #1 contained some low level radioactive materials and is now considered LLMW. How does that change any of the answers in #1 a-e?

Thank you for the opportunity to respond to your questions. If you have any further questions, please contact Andrew O=Palko of my staff at (703) 308-8646.

Sincerely,


signed by Matt Hale for

Elizabeth A. Cotsworth, Director
Office of Solid Waste