Odor Control Updates
Soil and Water Samples Show No Contamination
Sunny Farms participated with the Seneca County Health Department to collect surface water and soil samples around the landfill. The results demonstrated that the surface water meets or exceeds landfill requirements, drinking water standards, and is protective of human health and the environment.
Similarly, the soil samples meet or exceed all landfill standards and residential use standards and is compatible with applications at parks, playgrounds, and our homes. These results confirm the routine environmental monitoring conducted two times every year at Sunny Farms.
In addition, Seneca County recently collected water quality samples from residential wells around the landfill. No landfill impact was shown in these results as well. The following article provides more detail:
Sunny Farms Odor Control Blanket is Complete!
The geomembrane and Wind Defender components of the Odor Control Blanket are now complete. This project seals 25 percent of the landfill with a plastic cover and allows the gas system to capture and destroy odors beneath the blanket.
Sealing the landfill provides control of potential odors by sealing gas underground and enhancing landfill gas collection so the gas can be more efficiently routed to the gas collection system.
Odor Control Blanket Geomembrane Installation Completed
May 8, 2019, marked the completion of the plastic liner portion of the Odor Control Blanket. This project seals nearly 20 acres of the landfill under clay soil and impervious plastic liner to keep gases in and moisture out. Sealing the landfill provides control of potential odors by sealing gas underground in the landfill and enhancing landfill gas collection so the gas can be more efficiently routed to the gas collection system.
In the coming days, installation of the green Wind Defender layer will continue. This layer protects the plastic from sunlight and wind uplift.
Pictures are included showing the progress.
Phase 3 Landfill Gas System Expansion Completed
April 30, 2019, marked the completion of an extensive landfill gas collection system expansion project. Over the past 90 days, specialized contractors and vendors provided materials and installation services to expand the system that safely collects and removes landfill gas that is generated as materials naturally decompose in the landfill.
As part of this project, 21 new landfill gas extraction wells were added to the existing collection network (an increase of over 30%). These wells are installed with a specialized drill rig. The wells extend into the waste materials inside the landfill to collect the landfill gas. The photo below shows the drill rig with a vacuum attachment and a collection pipe used to collect landfill gases as the well is drilled.
To get the landfill gas from the landfill gas wells to the flare neutralization system, collection pipes are installed to connect the wells together, to provide suction to the waste and to pull the collected gas to the flare. For this project, nearly one mile of new piping was installed. The pipe is made of a special plastic called “high-density polyethylene” selected for its ability to function in a landfill environment. The pipeline varies in diameter from 18 inches to four inches, depending on how much landfill gas is expected to be carried by the pipe. The following photo shows some plastic pipe on the south slope of the landfill.
Sunny Farms Landfill would like to thank the engineers and contractors that worked tirelessly, often in adverse weather conditions, to get this project completed on an aggressive schedule. We appreciate the efforts to help Sunny Farms be a good neighbor by minimizing the potential for off-site odor.
The following event will occur that could potentially cause the migration of odors beyond the landfill property line: Two caisson-type gas extraction wells in active Cell 10 are being raised today to accommodate waste filling. The work is a continuation of the work begun yesterday.
UPDATE: The work described below has been completed for the day.
Three caisson-type gas extraction wells in active Cell 10 are being raised today to accommodate waste filling. Another notification will be sent when the work has been completed.
The work regarding the dripleg for the Cell 10 gas system was completed at approximately 8 p.m. Tuesday.
The final dripleg for the Cell 10 gas system will be installed today, requiring excavation into the soil cover and waste. The system has been in operation with the use of a temporary dripleg. The work will be performed as weather allows during the day and another notification will be sent when it has been completed.
Beginning now, piping upgrades are being made to the air compressor that serves the two landfill flares that will require the flares to be turned off for approximately one hour. If any difficulties are encountered that will require the work to extend beyond the hour, another notification will be sent with an update.
The drilling of landfill gas wells has resumed this afternoon to complete the wells for Cell Gas System installation. Three wells remain to be drilled and the drilling is anticipated to be completed Thursday. The previously utilized vacuum box will be utilized at each drilling location to minimize odors. Another notification will be sent when drilling is complete.
Additional landfill gas extraction well installation is planned for the next 2 to 3 days. We will provide additional updates as the project progresses. Some odors may be generated during the construction project as previously placed waste is disturbed to install three (3) new wells. A gas collection device is used during the drilling process, but some odor may escape the vacuum system. This possible short-term inconvenience will result in long term improvements for Sunny Farms.
This is to notify the public that the excavation of the anchor trench described in an earlier alert today was minimal and has been completed for the day.
During the course of the next few days, an odor control blanket (OCB) is being installed on the west and north slopes of the active landfill area south of Township Road 108, requiring the excavation of a shallow anchor trench to secure the OCB at its perimeter. The excavation into the soil cover may encounter landfill gas in some areas. Sunny Farms Landfill and its contractors will strive to minimize any excavation that may cause a release of odors and will update you periodically as the work progresses.
This alert is no longer active. The dripleg installation described below was completed on April 3, 2019, in the late afternoon and the soil cover was restored in the work area.
A condensate dripleg will be installed today for the Cell 10 gas collection system that is currently under construction and in partial operation. The dripleg installation will require the excavation of cover and waste in a relatively small area. The installation is anticipated to last most of the workday and another notification will be sent when it is complete and the area is re-covered.
This alert is no longer active. The temporary shutdown of the landfill flares described below ended at 10:15 a.m. today and that both flares were returned to full operation.
The following event is occurring that could potentially cause the migration of odors beyond the landfill property line:
Both landfill gas flares will be shut down temporarily to connect a transfer switch to allow connection of a backup power supply per Order #19 of the same DFFO’s. The shutdown is anticipated to last for approximately two hours and another notification will be sent when the flares have been returned to operation.
The temporary shutdown of the landfill flares described below ended at 10:15 a.m. today and that both flares were returned to full operation.