New Jersey Administrative Code
Title 7 - ENVIRONMENTAL PROTECTION
Chapter 14A - NEW JERSEY POLLUTANT DISCHARGE ELIMINATION SYSTEM
Subchapter 23 - TECHNICAL REQUIREMENTS FOR TREATMENT WORKS APPROVAL APPLICATIONS
Section 7:14A-23.31 - Stabilization residuals
Universal Citation: NJ Admin Code 7:14A-23.31
Current through Register Vol. 56, No. 24, December 18, 2024
(a) All residuals stabilization equipment shall be designed to meet the requirements for pathogen reduction and vector attraction reduction in accordance with N.J.A.C. 7:14A-20.
(b) New residual stabilization operations, or expansions shall be designed in accordance with the following requirements:
1. Residual
stabilization and curing operations shall be enclosed and vented and shall be
in compliance with the Department's air pollution control rules at N.J.A.C.
7:27. For residual stabilization operations which process less than one dry ton
per day, the Department shall waive the requirement for enclosure of the
residual stabilization operation, in full or in part, where the control of the
effects of odor or climatic conditions are otherwise satisfactorily addressed
as part of the permit application consistent with
N.J.A.C.
7:14A-20.6.
2. All transfer conveyors and associated
equipment shall be constructed of fire resistant materials.
3. Composting systems shall be designed to
produce a sludge derived product that has a final solids content between 50 and
60 percent.
4. The aeration system
shall be designed to distribute air evenly throughout the composting mass, to
maintain aerobic conditions, and to control temperatures within acceptable
ranges in active composting pursuant to (a) above.
5. The process monitoring system shall be
designed to monitor all process criteria (such as temperature, pH, or percent
solids) as required pursuant to (a) above.
6. Leachate collection and treatment shall be
provided.
7. Equipment capable of
adequately mixing bulking agent and dewatered sludge to the desired porosity,
structure, and moisture content prior to composting shall be
provided.
8. The minimum time for
compost curing shall be 30 days. Compost curing capacity shall be developed
independent of finished compost storage capacity.
9. Storage capacity for a minimum of 30 days
production of stabilized residuals shall be provided, unless suitable
alternative contingency arrangements, as acceptable to the Department, are
demonstrated.
10. For active
composting, the maximum height of a static pile shall not exceed seven
feet.
11. Process and curing pads
shall provide for drainage away from piles and shall have a minimum slope of
two percent.
12. Compost curing
pile designs shall provide aeration either through the installation of aeration
equipment, or through mechanical turning at least two times per week. For
compost curing on pads, the maximum height of the curing piles shall not exceed
10 feet.
Disclaimer: These regulations may not be the most recent version. New Jersey may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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