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Environmental Management

Site Characterization, Risk Assessment, and Corrective Measures Study for a CCR Landfill

2026-05-26T09:40:05-06:00February 11th, 2020|

Geosyntec evaluated the nature and extent of potential impacts to groundwater and surface water, developed and evaluated a range of remedial alternatives, and assisted with the implementation and Federal CCR Rule compliance at a CCR landfill underlain by fractured bedrock.

Closure and Groundwater Remediation at Coal Ash Storage Ponds

2026-05-26T09:40:53-06:00February 11th, 2020|

Geosyntec was retained as a national expert on coal combustion residual (CCR) remediation to join an existing team of consultants to financially quantify environmental liabilities and meet groundwater remediation obligations pursuant to a state Administrative Order on Consent. These objectives were later expanded to include compliance with the Federal CCR Rule that was released as the initial work progressed.

Alternate Source Demonstrations for Federal CCR Rule Groundwater Monitoring

2026-05-26T09:41:30-06:00February 11th, 2020|

Geosyntec developed a groundwater compliance strategy for an electric cooperative's fleet of CCR disposal units to address constituents in groundwater samples with statistically significant increases (SSIs) above background concentrations.

Statistical Evaluation of Groundwater Monitoring Data for Compliance with Coal Combustion Residual Rule

2026-05-26T09:42:54-06:00February 11th, 2020|

The U.S. EPA issued the Coal Combustion Residual (CCR) Rule in 2015 to regulate the location design and operation of CCR storage units such as ash ponds and landfills.

Development of a Guidance for Natural Attenuation as a Remedial Technology at CCR Facilities

2026-05-26T09:45:33-06:00February 11th, 2020|

Geosyntec developed a monitored natural attenuation (MNA) framework for the Electric Power Research Institute (EPRI). This framework was applied at two CCR facilities with different hydrogeologic conditions and unique constituents of interest.

CCR Rule Compliance Assessment at Three Coal-Fired Power Plants

2026-05-26T09:47:09-06:00February 10th, 2020|

Our electricity-generating client retained Geosyntec to conduct compliance assessments at three coal-fired power plants for eight coal combustion residual (CCR) units to identify whether the units met the federal CCR rule for location restrictions and groundwater monitoring systems.

Research and Guidance Documents for the Land Disposal and Storage of Coal Combustion Residuals

2026-05-26T09:58:07-06:00February 10th, 2020|

Electric power generating companies that burn coal for fuel realized they needed information to effectively manage the storage of their coal combustion residuals (CCRs) in accordance with the federal CCR Rule (40 CFR 257).

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