Tag Archives: protecting groundwater

American Ground Water Trust Presents – The Long-Term Future for Deep Well Injection in the US

February 26, 2020

The Deep Well Injection Conference in Miami, Florida – March 2-3, 2020, provides focused information exchange and discussion opportunities among presenters and participants. Registration link below.

Where the geology permits, deep well injection has considerable advantages and is safe.

Deep well injection is the process of safely storing or disposing of liquids deep underground. It involves drilling beneath drinking water aquifers (1,500 to >3,000 feet deep) to trap the liquid waste under multiple impermeable layers of rock. It requires favorable geology, so it is not suitable for all locations and applications.

The treatment and disposal of liquid wastes have become increasingly challenging. Regulations designed to protect surface and groundwater, along with headlines and public concern of drinking water safety create challenges.

In his clear, concise presentation, Monte Markley discusses the upcoming opportunities and challenges for Class I injection wells across the nation. His presentation includes pore space competition, induced seismicity, and emerging contaminants of concern.

In addition to Monte’s presentation, there’s a field trip to the Miami-Dade Water and Sewer Department (South District Wastewater Treatment Plant) on Sunday, March 1 where participants will visit 20 Class I injection wells (17 constructed and 3 are being drilled). The Florida Department of Environmental Quality permits this injection well system that collectively disposes of 25 million gallons of liquid daily.

What Attendees Can Expect

  • An update on the status of deep well injection disposal in Florida
  • State-of-the-art operations and the economics for potential adopters
  • Information on disposal policies that are DWI drivers
  • Technologies in design, construction, operation, maintenance, and monitoring of deep well injection
  • Case studies from DWI operations in the US and globally

 

Conference Information

Monte Markley is a registered Professional Geologist in the state of Kansas and SCS Engineers’ National Expert for Deep Well and Underground Injection Control. His project experience includes engineering geology evaluations related to salt caverns, geologic isolation of fluids and compressed gasses, hydrogeological investigations at landfills and quarries, liquids management, regulatory compliance, and permitting, groundwater investigations at superfund and RCRA facilities, and remedial system design.

 

 

 

 

 

Posted by Diane Samuels at 6:01 am
Tag Archives: protecting groundwater

PFAS false-positive detections can lead to unnecessary expense and investigations

January 22, 2020

When a release of PFAS occurs at a metal finishing facility, it is often due to the integrity of the wastewater system. Due to the persistence of PFAS and very low concentrations considered to be toxic, even water containing a small amount of PFAS can result in a large impact on the environment. If water can migrate into the subsurface, so can PFAS. Once in the soil, any water introduced into the soil can transport the PFAS into the groundwater.

The Californian chrome plating facilities are being required to test for PFAS even if there is no evidence of historical contamination at the property from any chemicals. Current testing is requiring the analysis of 25 different kinds of PFAS, including PFOS and 6:2 FTS.

Because such low concentrations of PFAS are considered to be toxic and their prevalence in common consumer products and tools, false-positive detections are common during the investigations for PFAS. False positives detections can lead to unnecessary expense and additional investigations. Therefore, selecting a knowledgeable, skilled, and experienced environmental consulting firm, is paramount to keeping the investigation as low cost as possible.

The author is Lynleigh Love a Senior Professional Geologist at SCS Engineers specializing in emerging contaminants.

To purchase, read, or cite this article: https://doi.org/10.1080/00202967.2020.1696597

(2020) Upcoming mandatory testing requirements for chromium plating facilities, Transactions of the IMF, 98:1, 6-7, DOI: 10.1080/00202967.2020.1696597.

 

Learn more about PFAS and the impact on industrial wastewater pretreatment and groundwater protection.

SCS Engineers PFAS Library – Free

 

 

 

 

 

 

Posted by Diane Samuels at 6:01 am
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