H2A Invited to Speak at the Texas Association of Environmental Professionals April Luncheon Meeting
H2A’s Mike Hawthorne will speak this Thursday, April 17, at the Texas Association of Environmental Professionals (TAEP) April Luncheon Meeting, being held at Brady’s Landing Restaurant in Houston, Texas. Mike’s presentation, titled “Risk-Based LNAPL Remedies: When Does Recovery Make Sense?” will discuss the role LNAPL transmissivity plays in decision-making regarding implementation of active LNAPL recovery […]
“Preying” on LNAPL Using the Next Generation H2AWKTM
One of our top priorities at H2A is implementation and management of strategic, effective, efficient LNAPL remediation efforts on behalf of our clients. One way we do this is through heavy reliance on LNAPL transmissivity as a leading, progress, and shutdown metric for hydraulic recovery of LNAPL. And, we’re not just concerned with IF recovery […]
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H2A’s Mike Hawthorne to be a Co-Instructor at the ASTM Workshop on LNAPL Transmissivity
Mike Hawthorne, one of the co-authors of the ASTM Guide on Estimating LNAPL Transmissivity, and a leading expert on LNAPL science, has been invited to provide a training session on the theory and practical application of LNAPL transmissivity at the upcoming ASTM Workshop on Estimating LNAPL Transmissivity, sponsored by ASTM Committee E50.04 on Environmental Assessment, […]
H2A Welcomes Charles D. Stone to Our Team
H2A Environmental, Ltd. is very pleased to announce that Charles D. Stone, P.G., P.E. has joined our team to further enhance the strategic scientific solutions we provide our clients. Charles will be opening an Austin, Texas office for H2A, and he will provide principal level technical expertise to a wide variety of technical and regulatory […]
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H2A’s Mike Hawthorne Coauthors NAPL Article in Ground Water Monitoring & Remediation on Identification of Confined and Perched NAPL
H2A’s J. Michael (Mike) Hawthorne, PG, coauthored an article recently published in Ground Water Monitoring & Remediation titled “Identification and Assessment of Confined and Perched LNAPL Conditions.” Coauthors include Andrew Kirkman and Mark Adamski of BP Americas. The article presents powerful tools that use routinely collected data to identify confined or perched LNAPL. Routinely collected […]
H2A’s Dr. Ranga Muthu to Conclude Training on API’s LNAPL Transmissivity Spreadsheet
H2A’s Dr. Rangaramanujam “Ranga” Muthu, co-author of the American Petroleum Institute’s (API’s) new Microsoft ExcelTM spreadsheet tool for estimating LNAPL transmissivity using baildown test data, will present the second part of a two-part training session on the spreadsheet on March 14, 2013, from 1:00 to 1:30 PM EST. This session is only available to National […]
ASTM Standard References Multiple Methods for Estimating LNAPL Transmissivity
ASTM E-2856-11, Standard Guide for Estimation of LNAPL Transmissivity, identifies four primary methods to measure LNAPL transmissivity. However, one of those four methods, recovery data analysis, has four sub-methods based upon the remediation technology used. And one of those sub-methods, total fluids recovery data, can be further subdivided based on whether you plan to analyze […]
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H2A’s Dr. Ranga Muthu to Provide Training on API’s LNAPL Transmissivity Spreadsheet
H2A’s Dr. Rangaramanujam “Ranga” Muthu, co-author of the American Petroleum Institute’s (API’s) new Microsoft ExcelTM spreadsheet tool for estimating LNAPL transmissivity using baildown test data, will present the first part of a two-part training session on the spreadsheet on February 27, 2013, from 1:00 to 1:30 PM EST. This session is only available to National […]
H2A is Using LNAPL Transmissivity to Make MDPE More Efficient and Cost Effective
H2A recently completed an evaluation of LNAPL transmissivity (Tn) at a major international airport in Texas. The results are being used to further enhance the existing mobile dual-phase extraction (MDPE) remediation strategy for the site by focusing efforts on wells exhibiting the highest LNAPL transmissivity. By doing so, H2A has realized increases in product recovery […]
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LNAPL Transmissivity Measurement Methods: A Preview of Developing Guidance (Webinar by Mike Hawthorne)
The Aquifer Protection Interest Group is proud to present its first brown bag webinar of 2011 March 23, 2011, 1-1:30pm EST Light Non-Aqueous Phase Liquid (LNAPL) transmissivity (Tn) can provide substantial improvements to LNAPL hydraulic mobility and recoverability analyses over traditional metrics such as LNAPL thickness in wells. Although methods to measure Tn have been […]
