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Federal Register / Vol. 86, No. 107 / Monday, June 7, 2021 / Proposed Rules TABLE 2WASTES EXCLUDED FROM SPECIFIC SOURCESContinued Facility
Address
Waste description
khammond on DSKJM1Z7X2PROD with PROPOSALS

c Where operation of the 200 Area ETF for purposes of gathering data supporting a modified treatability envelope pursuant to Condition 1b requires operation outside of an existing treatability envelope or where a new treatability envelope is to be proposed, Energy may request interim approval to conduct such demonstration testing for purposes of developing a new or modified treatability envelope.
Such a request must include the following documentation:
i An Engineering Report documenting the basis for a modified treatability envelope. The Engineering Report shall, based on best available information, document that operation of the 200 Area ETF during the period of interim approval can be reasonably expected to produce treated effluent satisfying the delisting levels in Condition 5. The Engineering Report shall include, but is not limited to, engineering calculations, process modelling results, or performance data provided by equipment manufacturers;
ii A demonstration test plan documenting the following:
A The quantity and characterization of the waste stream to be used in conducting demonstration testing, and information that will be included in the waste processing strategy required by Condition 1aii for the demonstration testing. The test plan shall document, to a reasonable degree of certainty, that data gathered from the demonstration testing will be suitable for use in modifying the treatability envelope pursuant to Condition 1b. The test plan may include provisions for spiking the demonstration test waste feed to ensure that a waste feed meeting the requirements of the test plan is available;
B A sampling and analysis plan with supporting systematic planning documentation e.g., Data Quality Objectives and with an associated Quality Assurance Project Plan, for all sampling and analysis specific to the demonstration testing. A minimum of four independent sample sets over the course of the demonstration test are required from both the influent to the 200 Area ETF and the effluent to the verification tanks;
C A schedule for conducting the demonstration testing. The demonstration testing schedule may be based on functional criteria in addition to or in lieu of fixed calendar dates. The testing schedule may contain contingencies for revising the test plan should additional testing be required to obtain the required performance data points.
Energy may not commence demonstration testing until written interim approval is obtained from the Regional Administrator. The effect of interim approval shall be limited to relief from the requirement of operating within the treatability envelope specified in Tables C1
and C2 of the November 29, 2001 delisting petition, as amended, during the period of demonstration testing. Interim approval shall remain in effect only for the duration of the demonstration testing as documented in the required testing schedule. Within 60 days following completion of demonstration testing, or such other time as may be approved in writing by the EPA, Energy shall submit a written completion report documenting analysis of data gathered during the demonstration test. Energy may request an extension of interim approval for the period of time between completion of the demonstration testing and final approval of the modified treatability envelope. The EPA may approve amendments to the demonstration test plan, including the associated schedule, as necessary to successfully complete demonstration testing. The EPAs written approval of the completion report shall be considered approval of the modified treatability envelope pursuant to Condition 1b.

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iv Key unit operations are defined as filtration, UV/OX, reverse osmosis, ion exchange, steam stripping, and secondary waste treatment.

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