About Us

Why are we different?

  1. We retain employees. Nearly half of our employees have been with us for at least 15 years and 20% have been with us for 25 years or longer.
  2. We retain clients. Nearly half of our clients are repeat clients and most of these have been our clients for more than 10 years.
  3. We have an excellent reputation, including service to the following organizations:
Pennsylvania Cleanup Standards Scientific Advisory Board (CSSAB)

GSC's founder, Craig G. Robertson, was appointed by the governor of Pennsylvania to represent the business community on the CSSAB and was nominated for the position by the Pennsylvania Chamber of Business and Industry (PCBI). In addition, GSC vice president Lawrence Roach and senior associate Charles Rine have both served on sub-committees of the CSSAB. Mr. Roach is currently a member of several work groups of the Applicability and Attainment Subcommittee of the CSSAB.

Pennsylvania Council of Professional Geologists (PCPG)

GSC vice president Lawrence Roach served on the PCPG Board of Directors.

Harrisburg Area Community College (HACC)

Senior associate Charles Rine was an adjunct faculty lecturer at HACC and taught an annual course in environmental laws, regulations, and compliance from 2006 to 2012.

Groundwater Sciences has a long record of corporate giving to conservation and human services organizations. Employees of GSC have served in community leadership roles such as borough council member and municipal authority board member. In addition, GSC employees have provided significant support to local and regional science fairs, and to local school science instructional programs.