SWANA - NYS Chapter Landfill/Bioreactor/Leachate Recirculation

Transcription

1 SWANA - NYS Chapter Landfill/Bioreactor/Leachate Recirculation Design & Operations Training Session November 8, 2006 NYS DEC Permitting and RD&D Requirements, National Perspectives and Trends By: Robert J. Phaneuf, P.E. New York State Department of Environmental Conservation Division of Solid & Hazardous Materials Bureau of Hazardous Waste & Radiation Management Albany, New York Phone: (518) Fax: (518) rjphaneu@gw.dec.state.ny.us

2 Regulatory Place holder for Landfill Bioreactors (What NYS s Regs say today) NYS s 6 NYCRR Part (a) A general description shall be provided stipulating how this facility will be operated in an environmentally resource conscious manner. Active landfill management techniques to encourage rapid waste mass stabilization and alternative energy resource production are encouraged and should be addressed in the landfill s engineering report and in the operation and maintenance manual. 6 NYCRR Part (j) Regulatory requirements for leachate recirculation. 6 NYCRR Part (k) Bulk liquids prohibition. NYS s SWM Regs:

3 NYS s 2/5/01 Notice to Landfill Owners/Operators on Bioreactor Landfill Concepts Sent to all 27 MSW Lfs in NYS Stressing need for Dept Approval Required that all leachate recirculation or bioreactor proposals: Geotechnical Analysis Air Emission & Odor Control Leachate Mngt System Maintenance Plan Details for Leach. Induction - How & How Much Operations Plan Bioreactor Lf Monitoring Plan

4 NYS DEC Permitting (Current Regs) Leachate Recirculation vs Bioreactor Concepts Current Regs Allow Leachate Recirculation. Need Double-Liner Cell Must be in operation for at least 6 months. Recirculation on soil covered areas prohibitied. The same unless proposing to liquids other than leachate. If taking liquids other than leachate the proposal must be approved under our RD&D requirements with necessary variances and required monitoring and reporting. Must maintain 20 gpad primary liner performance. Stability demonstration. O&M must address process. We re currently confirming with EPA that our 1993 RD&D requirements apply. Demonstration for stability, and odor and gas controls.

5 > 50 % of MSW is Organic Mat l Optimum Waste MC % gallons of additional moisture needed per ton of waste. Do you have enough leachate? Site-by-site assessment. $ % Added airspace gain. Regulatory Concerns Stability - Waste & Liner System Odors & CAA Emissions Fires (CO monitoring) Surface Seeps Performance Criteria & Monitoring

6 Proposed Facility Operation & Maintenance Manual (a) LF Disposal Methods (b) Personnel Req ts (c) Machinery & Equip Description (d) LF Operational Controls (e) Fill Progression Plans (f) Waste Amounts & Characterization (g) SW Receiving Process (h) Cover Mat l Mgt Plan (i) EMP (j) Leachate Mgt Plan (k) Odor Control Plan (l) Gas Monitoring Plan (m) Inclement Weather Plan (n) Convenience Station Operation (o) First Lift Placement (p) Fire Prevention Plan NOTABLE ADDITIONS Bioreactor Concepts Added Horizontal LF Gas Collection Leachate Recirculation Proactive Odor Abatement

7 Proposed Part 363 Revisions That Relate to Bioreactor Concepts Encourage bioreactor landfill concepts conserves land & energy resources - requires plan. Requires active horizontal gas collection system at all MSW Lfs based on designers specifications. Requires proactive odor control plan in O&M manual. Improved regulatory coordination between Parts 360 and 208.

8 40 CFR PART 258 CRITERIA FOR MUNICIPAL SOLID WASTE LANDFILLS Subpart A: General Subpart B: Location Criteria Subpart C: Operating Criteria Subpart D: Design Criteria Subpart E: Ground-Water Monitoring and Corrective Action Subpart F: Closure and Post-Closure Research, development, and demonstration permits the owner or operator demonstrates to the Director of an approved State Did you know about: Project XL Bioreactor Landfill Projects. Easy Electronic Federal Regulation Link for Up-to-date Regs: Click on Part 258 at:

9 Federal RD&D Rule (cont d) MSWLF Criteria for Which RD&D Variances Would Not be Allowed: Location Restrictions Ground Water Requirements Corrective Action Requirements Financial Assurance Requirements Explosive Gases Control in the Operating Criteria Procedures for Limiting Hazardous Wastes Proposed rule would require approved states to apply to EPA for authorization to adopt the federal RD&D provisions.

10 Federal RD&D Rule Revised Part 258 to allow Directors of approved States to issue RD&D permits on a site-specific basis. Permits would allow for variances from only certain MSWLF criteria. Owner/operator would be required to demonstrate facilities could be operated w/o adverse impact & safely under the RD&D proposal. Permit issued for 3 years, with up to 3 additional renewals of the permit - Total of 12 Years

11 Proposed RD&D Rule (cont d) Crafted to allow flexibility for the following MSWLF Criteria: RD&D may provide variance from the existing 40 CFR 258 requirements for: Run-on Controls Systems, Liquid Restrictions, etc. Final cover systems, etc. 5 states had their RD&D Provisions Approved by EPA: (1)MI, 10/31/06; (2) WI, 3/21/06; (2) MN, 2/15/06; (3) IL, 1/21/06; and, (4) IN, FR on 11/10/05. EPA OSW indicated that they are aware of at least 8 other states that are in the process of applying for RD&D authorization. He noted that both California and Iowa are very close to finalizing their rule-making process to incorporate 40 CFR Part 258's RD&D provisions into their State regulations.

12 Federal Technical Guidance Document US EPA s Website for Bioreactor Landfill Information

13 Second Interim Report Due to be posted shortly on EPA s Website This report will describe and focus on the monitoring approach and effectiveness of the bioreactor landfill.

14 Trend / Companion Issues Bioreactor Design, Construction & Monitoring AND Defining Landfill End State!

15 Changes to Proposed Part 363 (cont d) Proposed Significant Liner System Changes from the Preliminary Review Period PLCRS for Ash, Paper Mill monofills & LI Cleanfills keep min. 0.01cm/sec perm. 0.1 cm/sec 0.1 cm/sec 1 cm/sec 12 min 12 min 0.01 cm/sec Transition Area Concern for Intrusion of GCL into GCD net. Flexibility in PLCRS for MSW & C&D LFs On slopes <10% PLCRS divided to require the lower 12 to have min perm of 1 cm/sec, with upper 12 having a min perm of 0.1 cm/sec. For slopes > 10% entire 24 must have min perm of 0.1 cm/sec.

16 Thank you for listening! While the review period is over you can still utilize this web site link below to review the Preliminary Draft Part 360 Series: Current version of NYS s Solid Waste Management Regulations, 6 NYCRR Part 360, available at: