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August 24, 2022 - LSRPA Aspiring Professional In-Person Event: Borehole Geophysical Logging
Wednesday, August 24, 2022, 5:30 PM - 8:00 PM EST
Category: Events

LSRPA Aspiring Professionals Series Event: Borehole Geophysical Logging - Applications for Environmental Site Remediation with Dinner and Field Demonstration!

Date and Time:  Wednesday, August 24, 2022 / 5:30pm – 8:00pm

  • Classroom Presentation: 5:30pm-6:30pm
  • Catered, Well-side Dinner / Field Demonstration / Q&A: 6:30pm-8:00pm

Location:  The Watershed Center, 31 Titus Mill Road, Pennington, New Jersey

Fee:  $15 for Aspiring Professionals (up to 8 years into career); $30 for other attendees

Register for the August 24, 2022 - LSRPA Aspiring Professionals Event now.


  • Jim Peterson, PG, LSRP
  • Tim Hull, PG, LSRP – Both of Princeton Geoscience, Inc.

Special Guest(s): 

  • Gregory Herman, PhD – Trap Rock Industries, LLC (current); NJ Geological Survey (retired)
  • Alex Fiore, Hydrologist – US Geological Survey, New Jersey Water Science Center

Moderator: Stephanie Virgin, Langan



In this interactive event, Aspiring Professionals (and others) will learn firsthand about borehole geophysical logging, its role in the development and refinement of conceptual site models (CSMs), and the applications of geophysical logging tools. Instruction topics will include the structural and stratigraphic characterization of sedimentary bedding and tectonic fractures, and the analysis of borehole geometry and cross flows with respect to the physical nature of water-bearing features and zones.

The presentation will be followed by a field demonstration where state-of-the-art geophysical logging tools are deployed in an onsite well that penetrates sedimentary rocks of the Passaic Formation, a geologic unit that underlies many sites undergoing remediation in New Jersey. Key features of the Leaky, Multi-unit Aquifer System (LMAS) generic CSM described in NJDEP groundwater guidance will be identified in real time at the wellsite, where attendees will have the opportunity to observe the log acquisition process, ask questions of the instructors, interact with Sponsors and Special Guests, and share their own experience. The field demonstration will highlight Princeton Geoscience’s unique field logging van (and learning environment) as it would be used during execution of a commercial geophysical logging project. The geophysical logging field demonstrations will be concurrent with a well-side dinner offered by Princeton Geoscience’s field logging technician and professional caterer, Matthew Venella.

Summit Drilling will have experienced professionals on-hand to discuss how geophysical logging (and other bedrock characterization tasks) can best be completed in tandem with drilling and well construction. Finally, S2C2 will exhibit their advanced Direct Sensing tools including Geoprobe’s Optical Image Profiler and Membrane interface Probe with Hydraulic Profiling Tool.  These tools provide high density geologic and/or contaminant distribution data in the overburden which is unsurpassed by traditional sampling methodologies.  .

About the Venue:

In 1949 a handful of farsighted community leaders joined forces to form the Stony Brook-Millstone Watershed Association, now known as The Watershed Institute. Concerned at the time about agricultural runoff, soil erosion, and stream sedimentation, the Watershed Association became central New Jersey’s first environmental group. Since that time, the focus of the organization has evolved. Today The Watershed Institute protects clean water and the environment through a combination of conservation, advocacy, science, and education. Thanks to the loyal support of their members and volunteers the Watershed Institute has grown into one of the largest and most respected watershed associations in the country.

The well that will be used during the field demonstration is part of a radial well network installed by the US Geological Survey in 1966, on what was then designated as the “New Land Research Reserve” portion of the Stony Brook-Millstone Watershed Association property. Geophysical logging and aquifer testing performed at the wellfield by USGS and NJGS over the years has contributed significantly to the current understanding of hydrogeologic characteristics of the Passaic Formation. Dr. Herman and Mr. Fiore will be available to discuss some of the findings of those activities and their importance in the advancement of groundwater science in this important setting.

Sponsor Information:

Princeton Geoscience, Inc. provides advanced borehole geophysical logging services to aid our clients; including geologists, engineers, drillers, and other practitioners; in their understanding of the subsurface conditions important to decision-making and design at project sites. We provide a full suite of geophysical parameters and can assist with interpretation to support achievement of project objectives. We own and operate the latest generation of equipment to expertly assess the subsurface in a wide variety of locations and conditions. Our team includes Professional Geologists, Licensed Site Remediation Professionals, and highly trained field technicians. We are enthusiastic about our work and greatly value our clients and the trust they place in us. Over the years, through commitment to excellence, technical advancement, and sound project management, we have developed a reputation for consistent, high-value service. Website: www.princetongeoscience.com

Summit Drilling is a leading environmental services contractor offering consultants a full spectrum of drilling technology and injection services led by a growing fleet of high-powered Roto Sonic drill rigs. Providing game-changing equipment and expertly trained field teams however, is only part of our strength. At the core of our success is our unwavering commitment to safety. Our Health & Safety program serves as the foundation of our operation and the culture of our company. On every project, our goal is to provide our customers with an exceptional experience.Website: https://summitdrilling.com/

S2C2 is a premier direct-sensing and data visualization service firm that focuses on providing High Resolution Site Characterization (HRSC) services. They are an interdisciplinary group of experienced professional environmental scientists, each with a particular interest in environmental site characterization.  S2C2 strives to provide cost effective solutions for complex environmental problems by utilizing the latest advances in technology and experienced field personnel. Website: www.s2c2.us

 Special Guest Biographical Sketches:

Gregory Herman, PhD - New York CPG 000086-01.  Dr. Herman is a licensed professional geologist specializing in structural geology, fractured-bedrock aquifers, tectonics, and the utilization of geospatial and computer-aided drafting systems to conduct geoscience studies and research. Retired from civil service after 32 years at New Jersey Geological Survey. Currently employed by Trap Rock Industries, LLC. His publications, blogs, web-based GeoTools and Earth-science themes for Google Earth are available at www.impacttectonics.org. Website: http://www.impacttectonics.org/

Alex Fiore - Alex R. Fiore is a hydrologist with the USGS New Jersey Water Science Center specializing in aquifer characterization, contaminant fate and transport, groundwater-surface water interactions, and development of hydrogeologic frameworks. Alex is USGS project chief at the former Naval Air Warfare Center Trenton, a fractured rock and contaminant transport research site in the Lockatong and Stockton Formations of the Newark Basin. Visit the NAWC project homepage: https://www.usgs.gov/centers/new-jersey-water-science-center/science/contaminant-fate-and-transport-studies-fractured Alex serves as a scientific and technical advisor for Department of Defense and EPA Superfund groundwater contamination sites. He has also contributed to studies of landslide initiation, sea level rise, and groundwater availability. Website: https://www.usgs.gov/staff-profiles/alex-r-fiore