DENNIS A. NOLL, P. G.
President
Co-Founder and Senior Geologist.
Author “Overburden Sampling and Testing Manual”, PA DER

• B. A. Geology-Franklin & Marshall College.
• Registered Professional Geologist (PA).
• Member of American Institute of Professional Geologists, Pennsylvania Coal Mining Association, and Franklin & Marshall College Geofounders Society.
• 39 years experience in environmental and mining geology.
• 33 years experience in water pollution control, abatement & treatment.
• 33 years experience in mine consulting.
• 29 years experience in private and commercial water supply establishment, protection & treatment.

DAVID R. MILLS, P. E., P. L. S.
Vice-President
Co-Founder and Senior Engineer.

• B.S. Engineering - Virginia Polytechnic Institute and State University.
• Registered Professional Engineer in Pennsylvania, Maryland, and Kentucky.
• Registered Land Surveyor in Pennsylvania.
• Certified Sewage Treatment Plant Operator.
• Member of the National Society of Professional Engineers and the Pennsylvania Society of Professional Engineers.
• 28 years experience in civil and mining engineering
• 26 years experience in building site planning, sewage treatment, and materials handling.
• 10 years experience on Richland Township, Cambria County, Planning and Zoning Commission and Zoning Hearing Boards.
• 14 years experience in the design of water line and sewage line installations.
• 14 years experience in sewage sludge utilization for reclamation and agricultural utilization sites.
• 19 years experience in surveying and ground control.
• 24 years experience in water pollution control, slope stability, and erosion and sedimentation control.

HIRAM C. RIBBLETT, P. E.
Project Manager, Partner
MSHA Instructor

• B. S. Engineering - Pennsylvania State University.
• Registered Professional Engineer in Pennsylvania and Ohio.
• 28 years mining and civil engineering experience.
• 24 years experience in engineering design and operations.
• 16 years experience in surveying and ground control.
• 16 years experience in water pollution control and erosion and sedimentation control.
• 16 years experience in design of pumping and water handling facilities.

ROBERT R. REESE
Partner, Corp. Secretary
Partner and Director of Surveying.

• 24 years experience in field engineering, including property surveys and engineering construction surveys.
• 19 years experience as survey party chief, performing property surveys, property research, ground control, construction grade lines, and location surveys.
• 23 years experience in general construction layout.
• 17 years experience in mine consulting.
• 10 years experience in permitting and feasibility studies for sewage sludge utilization sites.

THOMAS J. MATISKO
Partner, Corp. Treasurer
Manager of Geotechnical Field Services
Manager of Soils, Aggregates, and Concrete Testing Laboratory
WACEL Structural Inspector

• ACI Level 1 Certification in concrete testing.
• WACEL Concrete Certification Levels 1 & 2.
• Troxler Nuclear Gauge Certification.
• 23 years experience in construction inspection (quality assurance & quality control).

GREG ABRAMS
Project Manager

• Diploma Northern Cambria H.S. 1973
• Troxler Nuclear Gauge Cert.
• PennDOT, Dist 9, Concrete Testing Certification
• 16 years coal mine consulting
• 14 years water sampling
• 9 years experience soil sampling/testing
• 3 years experience concrete testing

MARK HOGUE
Operations Assistant, Project Manager

• ACI Grade 1 Certificate in concrete testing.
• Troxler Nuclear Gauge Certification
• PennDOT, District 9, Concrete Testing Certification

DAVID M. MILLER
Laboratory Supervisor

• Associate Degree PSU Williamsport Electrical Technology
• 28 years experience in sampling and testing soil, concrete, coal, and rock
• 23 years experience materials testing lab supervisor

SAMUEL I. PHILIP
Drafting Supervisor

• 10 years experience in project management for mining permit preparations.
• 7 years experience in creating drawings using AutoCAD (Currently Version 14).
• 7 years experience in the supervision and training of other AutoCAD operators.
• 16 years experience in field surveying, including property surveys and engineering construction surveys.
• 16 years experience in various survey related activities, including property research, ground control, construction grade lines, and location surveys.

JOHN D. PILE, M.S.
Project Manager
Director of Environmental Services
Author: “Effects of pH on Adsorption/Desorption of Organic Material in Forest Soils” (Master of Science Thesis – Penn State) and co-author of “Production, Characterization, and Application of Polyaluminum Sulfate”, (Proceedings of the American Water Works Association Conference, Orlando, FLA).

• B.A. Biology, Gettysburg College; M.S. Environmental Science, Penn State University.
• Certified Tank Inspector (PA).
• Member American Society for Testing and Materials, Committee E50 (Environmental Site Assessments) and Committee D34 (Waste Management).
• 18 years experience in performing environmental assessments for real estate transfers.
• 18 years experience in underground storage tank inspections.
• 18 years experience in wetland delineations and benthic macroinvertebrate surveys.
• 18 years experience in industrial waste characterization and treatment.

RYAN STAIRS
Partner, Operations Manager

JOSEPH LECHNAR, P.G.
Geologist, Client Relations Mgr.