H₂A’s Mike Hawthorne to Speak at TCEQ 2010 Trade Fair

Mike Hawthorne, Principal Remediation Geoscientist with H2A, will be presenting an advanced level technical talk on LNAPL Transmissivity at the TCEQ 2010 Trade Fair in Austin, Texas on May 5, 2010.  Mike’s presentation will detail why LNAPL Transmissivity is an excellent metric, how LNAPL Transmissivity can be calculated, and when to use LNAPL Transmissivity under [...]

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H2A was recently awarded a contract to work directly for the DFW International Airport (DFW), Environmental Affairs Department, performing remediation system operation and maintenance (O&M), system optimization, quarterly storm drain inspection, LNAPL plume evaluation, and implementation of periodic mobile dual-phase extraction events.  The contract commences on January 1, 2010, for an initial two-year period with [...]

Read More About - H₂A Awarded Multi-Year O&M Contract at DFW Airport »

Mike Hawthorne, H2A’s principal geoscientist, is currently serving on the TRRP-12A, NAPL assessment guidance document development team under the direction of Charles Stone with the Texas Commission on Environmental Quality (TCEQ).  H2A previously assisted in development of TCEQ’s TRRP-32, Risk-Based NAPL Management regulatory guidance.  The new TRRP-12A will provide detailed guidance on techniques to assess [...]

Read More About - TRRP 12A: H₂A at Work with the TCEQ »

H2A’s Mike Hawthorne is actively participating on an ASTM International team responsible for authoring new technical guidance outlining methods used to calculate LNAPL Transmissivity. Individual technical subgroups are authoring each of the four primary methods by which to calculate LNAPL Transmissivity (physical properties data, short-term aquifer test based methods, tracer testing, and analysis of recovery [...]

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