Md. Code Regs. 26.11.42.10

Current through Register Vol. 51, No. 24, December 2, 2024

Section 26.11.42.10 - Recordkeeping and Reporting Requirements

A. The owner or operator of a MSW landfill that meets the applicability or designated facility requirements in 40 CFR § 60.31f, 40 CFR § 60.760, or 40 CFR § 63.1935 shall comply with the electronic reporting requirements of 40 CFR § 60.38f(j), 40 CFR § 60.767(i), or CFR §63.1981(i), as applicable.

A-1. Whenever a provision in this chapter requires submission or reporting of test results, reports, or other information to the Department, unless otherwise specified, the information shall be submitted to:

Program Manager

Air Quality Compliance Program

Maryland Department of the Environment

1800 Washington Boulevard, Suite 715

Baltimore, Maryland 21230

410-537-4225

Or electronically to:

MDEAIR.OTHERCOMPLIANCE@maryland.gov

B. Recordkeeping Requirements.

(1) An owner or operator of a MSW landfill shall maintain the following records for at least 5 years:

(a) All gas collection system downtime exceeding 5 days, including dates of downtime, individual well shutdown and disconnection times, the reason for the downtime, and any corrective actions conducted in response to the downtime;

(b) All gas control system downtime in excess of 1 hour, the reason for the downtime, and the length of time the gas control system was shut down, and any corrective actions conducted in response to the downtime;

(c) All instantaneous surface readings of 100 ppmv methane or greater and all exceedances of the limits in Regulation .04B(3)(b) and Regulation .07, including:

(i) The location of the leak (or affected grid);

(ii) The leak concentration of methane (in ppmv);

(iii) The date and time of measurement;

(iv) The action(s) taken to repair the leak and the date(s) of repair;

(v) Any required re-monitoring and the re-monitored concentration of methane (in ppmv);

(vi) Wind speed during surface sampling; and

(vii) The installation date and location of each well installed as part of a gas collection system expansion.

(d) Any positive wellhead gauge pressure measurements, the date of the measurements, the well identification number, and the corrective action taken;

(e) Each wellhead temperature monitoring value of 62.8°C (145°F) or above, each wellhead nitrogen level at or above 20 percent, and each wellhead oxygen level at or above 5 percent;

(f) The monthly solid waste acceptance rate for active MSW landfills or MSW landfills that have accepted waste within the last 5 years;

(g) The current amount of waste-in-place including waste composition;

(h) The nature, location, amount, and date of deposition of non-decomposable waste for any landfill areas excluded from the collection system;

(i) Results of any performance tests conducted in accordance with the provisions in Regulation .05B(7) of this chapter;

(j) A description of mitigation measures taken to prevent the release of methane or other emissions into the atmosphere, including:

(i) When solid waste was brought to the surface during the installation or preparation of wells, piping, or other equipment;

(ii) During repairs or the temporary shutdown of gas collection system components; or

(iii) When solid waste was excavated and moved.

(k) Records of any construction activities in accordance with Regulation .07C of this chapter. Records shall contain the following information:

(i) A description of the actions being taken, the areas of the landfill that will be affected by these actions, the reason the actions are required, and any landfill gas collection system components that will be affected by these actions;

(ii) Construction start and finish dates, projected equipment installation dates, and projected shut down times for individual gas collection system components; and

(iii) A description of the mitigation measures taken to minimize methane emissions and other potential air quality impacts.

(l) For any root cause analysis for which corrective actions are required, the following information:

(i) Records of the root cause analysis conducted;

(ii) The corrective action analysis;

(iii) The date for corrective action(s) already completed following the positive pressure reading or high temperature reading;

(iv) For action(s) not already completed, a schedule for implementation, including proposed commencement and completion dates; and

(v) A copy of any comments or final approval on the corrective action analysis or schedule from the Department.

(m) Records of the gas control system equipment operating parameters specified to be monitored under Regulation .09B of this chapter as well as records for periods of operation during which the parameter boundaries established during the most recent performance test are exceeded.

The records shall include the following information:

(i) For enclosed flares, all 3-hour periods of operation during which the average temperature difference was more than 28°C (50° F) below the average combustion temperature during the most recent performance test at which compliance with Regulations .05B(2) and (3) of this chapter was determined;

(ii) For a boiler or process heater with a design heat input capacity of 44 megawatts (150 MMBtu/hr) or greater to comply with Regulation .05B(3) of this chapter, all periods of operation of the boiler or process heater (e.g., steam use, fuel use, or monitoring data collected pursuant to other federal, State, local, or tribal regulatory requirements;

(iii) For open flares, continuous records of the flame or flare pilot flame monitoring, and up-to-date, readily accessible records of all periods of operation in which the flame or flare pilot flame is absent; and

(iv) For the system, the indication of flow to the control system and the indication of bypass flow or records of monthly inspections of car-seals or lock-and-key configurations used to seal bypass lines.

(n) All gas collection and control system exceedances of the operational standards, the reading in the subsequent month whether or not the second reading is an exceedance, and the location of each exceedance;

(o) For the owner or operator of a MSW landfill who converts waste-in-place from volume to mass, records of the annual recalculation of site-specific density, design capacity, and the supporting documentation;

(p) For the owner or operator of a MSW landfill demonstrating that site-specific surface methane emissions are below 200 ppmv by conducting surface emissions monitoring in accordance with Regulation .04B(3)(b) of this chapter, records of all surface emissions monitoring and information related to monitoring instrument calibrations conducted according to sections 8 and 10 of Method 21 of Appendix A of 40 CFR Part 60, including all of the following items:

(i) Calibration records, including the date of calibration and initials of operator performing the calibration, calibration gas cylinder identification, certification date, and certified concentration, the instrument scale used, description of any corrective action taken if the meter readout could not be adjusted to correspond to the calibration gas value, and, if an owner or operator makes their own calibration gas, a description of the procedure(s) used;

(ii) Digital photographs of the instrument setup, including the wind barrier. The photographs shall be accurately time and date-stamped and taken at the first sampling location prior to sampling and at the last sampling location after sampling at the end of each sampling day;

(iii) Timestamp of each surface scan reading which shall be detailed to the nearest second, based on when the sample collection begins and log for the length of time each sample was taken using a stopwatch (e.g., the time the probe was held over the area);

(iv) Location of each surface scan reading. The owner or operator shall determine the coordinates using an instrument with an accuracy of at least 4 meters and the coordinates shall be in decimal degrees with at least five decimal places and the coordinates will become the location identification label;

(v) Monitored methane concentration (ppmv) of each reading;

(vi) Background methane concentration (ppmv) after each instrument calibration test;

(vii) For readings taken at each surface penetration, the unique identification location label matching the label specified in Regulation .10B(1)(p)(iv) of this chapter; and,

(viii) Records of the operating hours of the gas collection system for each destruction device.

(q) For the owner or operator reporting leachate or other liquids addition under Regulation .10C(16) of this chapter, records of any engineering calculations or company records used to estimate the quantities of leachate or liquids added, the surface areas for which the leachate or liquids were applied, and the estimates of annual waste acceptance or total waste in place in the areas where leachate or liquids were applied;

(r) The date of initial placement of waste in newly constructed MSW landfill cells;

(s) Documentation of any component leaks of methane equal to or greater than 250 ppmv detected in accordance with the provisions in Regulation .09B(7) of this chapter and all repairs performed in response to any component leaks equal to or greater than 500 ppmv; and

(t) The maximum design capacity of the MSW landfill.

(2) The owner or operator of a MSW landfill shall maintain the following records for the life of each gas control device, as measured during the initial performance test or compliance determination:

(a) The density of wells, horizontal collectors, surface collectors, or other gas extraction devices determined using the procedures and requirements specified in Regulation .05A(1) of this chapter;

(b) The expected gas generation flow rate as calculated in accordance with Regulation .11B of this chapter;

(c) The percent reduction of methane achieved by the control device determined in accordance with Regulation .11C of this chapter;

(d) For a boiler or process heater, the description of the location at which the collected gas vent stream is introduced into the boiler or process heater over the same time period of the performance test;

(e) Where the owner or operator subject to the provisions of this regulation is demonstrating compliance with Regulation .05B of this chapter through use of an enclosed combustion device other than a boiler or process heater with a design heat input capacity equal to or greater than 44 megawatts per hour (150 million British thermal units per hour):

(i) The average temperature measured at least every 15 minutes and averaged over the same time period of the performance test; and

(ii) The percent reduction of methane determined as specified in Regulation .11C of this chapter achieved by the control device;

(f) For an open flare:

(i) The flare type (i.e., steam-assisted, air-assisted, or non-assisted);

(ii) All visible emission readings, heat content determination, flow rate or bypass flow rate measurements, and exit velocity determinations made during the performance test as specified in 40 CFR § 60.18, as amended; and

(iii) Records of the flare pilot flame or flare flame monitoring and records of all periods of operations during which the pilot flame or the flare flame is absent;

(g) The most recent map showing each existing and planned gas collector in the system;

(h) Bypass records, including records of the flow of landfill gas to, and bypass of, the treatment system, as used to demonstrate compliance with Regulation .05B

(i) Site-specific treatment monitoring plan meeting the requirements of Regulation .05B(5) of this chapter.

(j) The most recent, readily accessible plot map showing all existing and planned collectors in the system and providing a unique identification location label for each collector.

(3) Bioreactor Moisture Content Calculations.

(a) A MSW landfill owner or operator conducting calculations to determine the moisture content of a bioreactor shall document the calculations and the basis of any assumptions made to make such calculations.

(b) The owner or operator shall keep records of the calculations for a minimum of 5 years or until liquids addition ceases.

(4) Retention of Records and Reports.

(a) The owner or operator shall keep records of subsequent tests or monitoring in §B(2) of this regulation for a minimum of 5 years and records of the control device vendor specifications until removal.

(b) The owner or operator shall maintain copies of the records and reports required by this regulation and provide them to the Department upon request.

C. Reporting Requirements.

(1) Closure Notification.

(a) The owner or operator of a MSW landfill which has ceased accepting waste shall submit a closure notification to the Department no later than 30 days after waste acceptance cessation.

(b) The closure notification shall include the last day solid waste was accepted, the anticipated closure date of the MSW landfill, and the estimated waste-in-place.

(c) The Department may request additional information as necessary to verify that permanent closure has taken place in accordance with the requirements of any applicable federal, State, or local regulations and ordinances in effect at the time of closure.

(2) Equipment Removal Report.

(a) A gas collection and control system equipment removal report shall be submitted to the Department 30 days prior to well capping, removal, or cessation of operation of the gas collection, treatment, or control system equipment.

(b) The report shall contain the following information:

(i) A copy of the closure notification submitted to the Department in accordance with §C(1) of this regulation;

(ii) A copy of the initial performance test report or other documentation demonstrating that the gas collection and control system has been installed and operated for a minimum of 15 years, unless the owner or operator can demonstrate that due to declining methane rates the MSW landfill is unable to operate the gas collection and control system for a 15-year period; and

(iii) Surface emissions monitoring results needed to verify that landfill surface methane concentration measurements do not exceed the limits specified in Regulation .07A of this chapter.

(3) Semi-annual Report. A MSW landfill owner or operator subject to the requirements of this chapter shall submit a semi-annual report to the Department by the end of the month following the 6-month period beginning January 1, 2024 through June 30, 2024, and each subsequent 6 months thereafter. The semi-annual report shall include the MSW landfill name, owner and operator, and address; and the following information:

(a) All instantaneous surface readings of 100 ppmv or greater;

(b) All exceedances of the limits in Regulation .04B(3)(b), Regulation .07A, and Regulation .09B(7) of this chapter including:

(i) The location of the leak (or affected grid);

(ii) Leak concentration in ppmv;

(iii) Date and time of measurement;

(iv) The action taken to repair the leak;

(v) Date of repair;

(vi) Any required re-monitoring and the re-monitored concentration in ppmv;

(vii) Wind speed during surface sampling;

(viii) The concentration recorded at each location for which an exceedance was recorded in the previous month; and

(ix) The installation date and location of each well installed as part of a gas collection system expansion.

(c) For any corrective action analysis for which corrective actions are required in Regulation .09C(1)--(3) of this chapter and that take more than 60 days to correct the exceedance:

(i) The root cause analysis conducted, including a description of the recommended corrective action(s);

(ii) The date for corrective action(s) already completed following the positive pressure or elevated temperature reading; and

(iii) For action(s) not already completed, a schedule for implementation, including proposed commencement and completion dates.

(d) All known, prevented, or suspected subsurface landfill fire(s) along with potential causes and any efforts conducted to avoid or put out the fire(s), including any positive pressure readings that may have contributed to the known, prevented, or suspected fire;

(e) The number of times that applicable parameters monitored under Regulation .05B or Regulation .07 were exceeded and when the gas collection and control system was not operating in compliance with the provisions of Regulation .05B(1) including periods of startup, shutdown, and malfunction. For each instance, report the date, time, and duration of each exceedance;

(f) Where the owner or operator subject to the requirements of this regulation is demonstrating compliance with the operational standard for temperature in Regulation .09C(2) and (3) of this chapter, the owner or operator shall provide a statement of the wellhead operational standard for temperature and oxygen level the landfill is complying with for the period covered by the report. The report shall indicate:

(i) The number of times each of those parameters monitored under Regulation .09C of this chapter were exceeded, reporting for each instance the date, time, and duration of each exceedance; and

(ii) The number of times the parameters for the site-specific treatment system in Regulation .05B(5) were exceeded.

(g) Description and duration of all periods when the gas stream was diverted from the control device or treatment system through a bypass line or there was an indication of bypass flow resulting from an inspection required by Regulation .05B(3)(d) of this chapter;

(h) Description and duration of all periods when the control device or treatment system was not operating and length of time the control device or treatment system was not operating;

(i) All periods when the collection system was not operating;

(j) The date of installation and the location of each well or collection system expansion;

(k) Each owner or operator required to conduct enhanced monitoring in accordance with the provisions of Regulation .11I of this chapter for temperatures exceeding 62.8°C (145°F) shall include the results of all monitoring activities conducted during the period;

(l) For enclosed combustors, except for boilers and process heaters with design heat input capacity of 44 megawatts per hour (150 million British thermal units per hour) or greater, all three-hour periods of operation during which the average temperature was more than 28°C (82°F) below the average combustion temperature during the most recent performance test; and

(m) For boilers or process heaters, whenever there is a change in the location at which the vent stream is introduced into the flame zone.

(4) Annual Report.

(a) The owner or operator subject to the requirements of this chapter shall submit to the Department an annual report for the period of January 1 through December 31 of each year.

(b) Unless otherwise stated, the annual report shall be submitted to the Department no later than March 15 of the following year.

(c) The annual report shall consist of the semi-annual reports and contain the following additional annual reporting requirements:

(i) MSW landfill name, owner and operator, and address;

(ii) Total volume of landfill gas collected for the entire reporting period (reported in standard cubic yards);

(iii) Average composition of the landfill gas collected over the reporting period (reported in percent methane and percent carbon dioxide by volume);

(iv) Gas control device type, year of installation, rating, fuel type, and total amount of landfill gas combusted in each control device;

(v) The date that the gas collection and control system was installed and in full operation;

(vi) The percent methane destruction efficiency of each gas control device(s);

(vii) The type and amount of supplemental fuels burned with the landfill gas in each device;

(viii) The total volume of landfill gas shipped off-site, the composition of the landfill gas collected (reported in percent methane and percent carbon dioxide by volume), and the recipient of the gas;

(ix) The most recent topographic map of the site showing the areas with final cover and a geomembrane and the areas with final cover without a geomembrane with corresponding percentages over the landfill surface;

(x) The information required in §B(1)(a)-(e), §B(1)(g), and §B(1)(j)-(l) of this regulation; and

(xi) Instrument specifications for all instruments used for monitoring compliance with this chapter.

(5) Waste-in-Place Report. The owner or operator subject to the requirements of Regulation .04B shall prepare a Waste-in-Place report for the period of January 1 through December 31 of each year and submit the following information to the Department by March 15 of the following year:

(a) MSW landfill name, owner and operator, and address;

(b) The MSW landfill's status (active, closed, or inactive);

(c) The total estimated waste-in-place, in tons, as of December 31 of each year;

(d) A description of the known and assumed waste composition in the landfill; and

(e) The most recent topographic map of the site showing the areas with final cover and a geomembrane and the areas with final cover without a geomembrane with a calculation of the corresponding percentage geomembrane coverage over the landfill surface.

(6) Methane Generation Rate Report. The owner or operator subject to the requirements of Regulation .04B shall calculate the methane generation rate using the calculation procedures specified in Regulation .11D of this chapter and submit the results, along with a summary of efforts being implemented at the MSW landfill to reduce landfill gas emissions to the Department:

(a) By March 15, 2024 for MSW landfills with greater than 450,000 tons waste-in-place;

(b) Within 90 days of reaching 450,000 tons of waste-in-place;

(c) By March 15 of each subsequent year while waste-in-place is greater than 450,000 tons and the methane generation rate is less than 732 tons per year.

(d) Include in the report the methane generation calculation, along with relevant parameters,; and

(e) Include in the report the results of a visual inspection of the landfill cover and any actions done to fix leaks and minimize methane releases.

(7) Performance Test Report.

(a) For a control system designed and operated to meet the requirements of this chapter, the owner or operator shall submit a Performance Test Report to the Department that establishes the reduction efficiency or parts per million by volume no later than 180 days after the initial startup of the approved control system using EPA Method 25 or 25C, 40 CFR Part 60, Appendix A.

(b) The owner or operator shall submit any additional performance test reports to the Department within 30 days after the date of completing each performance test, including any associated fuel analyses.

(c) The performance test report shall include the following information:

(i) A diagram of the collection system showing collection system positioning including all wells, horizontal collectors, surface collectors, or other gas extraction devices, all areas excluded from collection, and the proposed sites for the future collection system expansion;

(ii) The data upon which the sufficient density of wells, horizontal collectors, surface collectors, or other gas extraction devices and the gas mover equipment sizing are based;

(iii) The documentation of the presence of asbestos or non-decomposable material for each area from which collection wells have been excluded based on the presence of asbestos or non-decomposable material;

(iv) The sum of the gas generation flow rates for all areas from which collection wells have been excluded based on nonproductivity and the calculations of gas generation flow rate for each excluded area;

(v) The process for increasing gas mover equipment capacity with increased gas generation flow rate, if the present gas mover equipment is inadequate to move the maximum flow rate expected over the life of the landfill; and

(vi) The process for controlling off-site migration.

(d) The control device shall be operated within the parameter ranges established during the initial or most recent performance test, or manufacturer written specifications.

(e) The operating parameters shall be monitored in accordance with the procedures specified in Regulation .09B of this chapter.

(8) Gas Collection and Control System Design Plans. The collection and control system design plan shall be prepared by a professional engineer and shall meet the following requirements:

(a) The gas collection and control system as described in the design plan shall meet the design requirements and deadlines in Regulation .05A of this chapter;

(b) In the event that the design plan is required to be modified to obtain approval, the owner or operator shall take any steps necessary to conform any prior actions to the approved design plan; and

(c) If the owner or operator chooses to demonstrate compliance with the emission control requirements of this chapter using a treatment system as defined in this chapter, then the owner or operator shall prepare and submit to the Department a site-specific treatment system monitoring plan as specified in Regulation .05B(5) of this chapter.

(9) Amended Design Plans. The owner or operator who has previously been required to submit a design plan under Regulation .05A of this chapter shall submit an amended design plan to the Department at least 90 days in advance of any of the following events:

(a) Expanding operations to an area not covered by the previously approved design plan; or

(b) Installing, repairing, or expanding the gas collection system in a way that is not consistent with the design plan previously approved by the Department.

(10) Corrective Action and Corresponding Timeline Reports.

(a) For corrective action that is required in accordance with the provisions in Regulation .09C of this chapter and is expected to take longer than 120 days after the initial exceedance to complete, the MSW landfill owner or operator shall submit the root cause analysis, corrective action analysis, and corresponding implementation timeline to the Department for approval as soon as practicable but no later than 75 days after the first measurement of positive pressure or temperature monitoring value of 62.8ºC (145ºF).

(b) For corrective action that is required according to Regulation .09C and is not completed within 60 days after the initial exceedance, the MSW landfill owner or operator shall submit a notification to the Department as soon as practicable but no later than 75 days after the first measurement of positive pressure or temperature exceedance.

(11) Instantaneous Surface Emissions Monitoring Report.

(a) A MSW landfill owner or operator conducting surface emission monitoring in accordance with the provisions in Regulation .04B(3)(b) and (4) of this chapter shall submit an instantaneous surface emissions monitoring report to the Department within 30 days after the fourth consecutive quarter of monitoring if no exceedances are detected, or 30 days after a measured concentration of methane of 200 ppmv or greater, whichever is first.

(b) The instantaneous surface emissions monitoring report shall include:

(i) All results of the surface emissions monitoring, clearly identifying the location, date and time (to nearest second), average wind speeds including wind gusts, reading (in parts per million) of concentrations of methane above 100 ppmv, other than non-repeatable, momentary readings, and any corrective actions taken;

(ii) For location, the owner or operator shall determine the latitude and longitude coordinates using an instrument with an accuracy of at least 4 meters and the coordinates in decimal degrees with at least five decimal places; and

(iii) The results of the most recent methane generation rate calculation.

(12) 24-Hour High Temperature Report. Where an owner or operator seeks to demonstrate compliance with the operational standard for temperature in Regulation .09C(2)-(3) of this chapter and the landfill gas temperature measured at either the wellhead or at any point in the well is greater than or equal to 76.7°C (170°F), and the carbon monoxide concentration measured is greater than or equal to 1,000 ppmv, the owner or operator shall report the date, time, well identifier, temperature and carbon monoxide reading to the Department within 24 hours of the measurement unless a higher operating temperature value has been approved by the Department for the well.

(13) Repairs and Temporary Shutdown Notification.

(a) The owner or operator of an MSW landfill that intends to temporarily shut down a gas collection and control system in accordance with Regulation .05F of this chapter shall submit a notification of the shutdown to the Department at least 30 days in advance that includes a justification for the shutdown, the system component(s) that will require shutdown, and the approximate timeline for the shutdown.

(b) If a shutdown occurs due to catastrophic or other unplanned events as listed in Regulation .05F(3) of this chapter, the notification shall be submitted to the Department within 10 days after the shutdown.

(14) Root Cause Analysis Report.

(a) If a person who owns or operates a MSW landfill cannot fully implement a corrective action required according to Regulation .09C within 120 days after the initial exceedance, the owner or operator shall submit the root cause analysis and additional analysis and reporting in accordance with §C(10) of this regulation as soon as practicable but no later than 75 days after the first measurement of positive pressure or temperature monitoring value of 62.8ºC (145ºF).

(b) The root cause analysis shall include a thorough investigation of the landfill gas collection and control system to determine the primary cause, and any other contributing causes, of positive pressure or high temperature at a wellhead.

(c) The report shall include each factor investigated, methods used, and alternative causes that were analyzed.

(15) Bioreactor Moisture Content Report. If a MSW landfill owner or operator calculates moisture content to establish the date the bioreactor is required to begin operating the collection and control system, the owner or operator shall submit not later than 90 days after the bioreactor achieves 40-percent moisture content a bioreactormoisture content report to the Department that includes all of the following information:

(a) Results of the calculation;

(b) The date the bioreactor achieved 40-percent moisture content by weight: and

(c) The date the owner or operator will begin collection and control system operation.

(16) Liquids Addition Report.

(a) An owner or operator subject to the provisions in Regulation .04C of this chapter that has employed leachate recirculation or added liquids based on a research, development, and demonstration permit for landfill operations (issued through Resource Conservation and Recovery Act, subtitle D, part 258) within the last 10 years shall submit to Department, annually, the following information:

(i) Volume of leachate recirculated (gallons per year) and the reported basis of those estimates (records or engineering estimates);

(ii) Total volume of all other liquids added (gallons per year) and the reported basis of those estimates (records or engineering estimates);

(iii) Surface area (acres) over which the leachate is recirculated (or otherwise applied);

(iv) Surface area (acres) over which any other liquids are applied;

(v) The total waste disposed (megagrams) in the areas with recirculated leachate, added liquids, or both, based on on-site records to the extent data are available, or engineering estimates and the reported basis of those estimates; and

(vi) The annual waste acceptance rates (megagrams per year) in the areas with recirculated leachate, added liquids, or both, based on on-site records to the extent data are available, or engineering estimates.

(b) The initial report shall include the information listed in §C(16)(a) of this regulation for the initial annual reporting period as well as for each of the previous 10 years, to the extent historical data is in possession or control of the owner or operator.

(c) The initial report shall be submitted to the Department no later than 12 months after the date of commenced construction, modification, or reconstruction.

(d) Subsequent annual reports shall include the information listed in §C(16)(a) of this regulation for the 365-day period following the 365-day period included in the previous annual report.

(e) All subsequent annual reports shall be submitted to the Department no later than 365 days after the date the previous report was submitted.

(f) Landfills may cease annual reporting of the information listed in §C(16)(a) of this regulation once they have submitted the closure notification in §C(1) of this regulation to the Department.

(17) Design Capacity Report.

(a) An amended design capacity report shall be submitted to the Department within 90 days of an increase in the maximum design capacity of the landfill to meet or exceed 2,750,000 tons and 3,260,000 cubic yards.

(b) An increase in design capacity may result from an increase in the permitted volume of the MSW landfill and/or an increase in the density.

Md. Code Regs. 26.11.42.10

Regulation .10 adopted effective 50:11 Md. R. 446, eff. 6/12/2023; amended effective 51:15 Md. R. 711, eff. 8/5/2024.