16 Tex. Admin. Code § 4.162 - [Effective 7/1/2025] Operating Requirements for Landfarming and Landtreating Permits
(a) Application.
The applicant shall submit the following operating information with each
application for landfarming permit:
(1) the
estimated chloride concentration of the waste to be accepted at the facility;
(2) the procedure by which waste
will be mixed into the soil;
(3)
waste to soil application rates;
(4) the frequency of soil tilling;
(5) the maximum depth to which waste will be
tilled;
(6) documentation on any
soil amendments or microbes to be used;
(7) plans for monitoring and testing the
landfarming area, and other appropriate procedures to ensure the treatment of
organic constituents and prevention of pollution;
(8) the estimated duration of landfarming
activities;
(9) the total
cumulative volume of waste, in barrels, to be landfarmed over the active life
of the operation or active cells; and
(10) the total cumulative height of waste, in
inches, to be landfarmed over the active life of the operation or active cells.
(b) Operating
requirements. A landfarming or landtreating permittee shall comply with the
following requirements.
(1) Prior to waste
application, the permittee shall thoroughly disk the entire landfarming or
landtreating area and shall otherwise prepare the area by adding fertilizer,
lime, and/or other agricultural chemicals, if needed.
(2) A landfarming or landtreating permittee
shall comply with the following waste application requirements.
(A) The permittee shall apply the waste to
each landfarming cell to prevent the pooling or migration of the waste outside
of the approved landfarming cell and to prevent the waste from entering any
watercourses or drainageways, including any drainage ditch, dry creek, flowing
creek, river, or any other surface water.
(B) The total cumulative volume of waste
applied to any landfarming cell over its lifetime shall not exceed the
permitted volume.
(C) The
permittee shall maintain freeboard of at least two feet plus capacity to
contain the volume of precipitation from a 25-year, 24-hour rainfall event.
(D) The permittee shall ensure
that the waste is uniformly dispersed across the landfarming or landtreating
area and the waste is fully and evenly incorporated into the top six inches of
soil. The waste shall be mixed with the soil within 24 hours of waste
application. Any active cell shall be disked once a month thereafter until the
cell is closed in accordance with the permit.
(E) The permittee is prohibited from applying
waste to the cells during periods of rainfall.
(3) Any standing or pooled rainwater or other
liquid in a landfarming cell or within the perimeter berm shall be removed
within 72 hours and disposed of in an authorized manner. Contact stormwater may
be disked into a landfarming cell with prior written approval from the
Director.
(4) Land application of
contact stormwater outside of a permitted landfarming cell is prohibited.
(5) Any spills of waste or any
other materials shall be promptly containerized and disposed of in an
authorized manner.
(6) Vehicle
access into each cell shall be at a location where the stormwater surface flow
cannot enter the treatment cells.
Notes
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