EDUCATION

M.S. Geological Engineering, University of Minnesota, 1977

B.S. Geological Engineering, University of Minnesota, 1973

  PROFESSIONAL LICENSES

Professional Engineer Virginia, Maryland, Minnesota, Pennsylvania, and South Carolina

Certified Professional Geologist (AIPG #7404)

  PROFESSIONAL AFFILIATIONS

American Society of Civil Engineers

American Institute of Professional Geologists

Solid Waste Association of North America

  PROFESSIONAL EXPERIENCE

Mr. Isenberg has over 20 years of experience in a wide variety of geotechnical engineering activities involving sanitary, hazardous and construction debris landfills, earth and concrete dams, mine tailing basins, earthen embankments, power plants, buildings, and studies of soil and groundwater contamination. Projects have included the siting, design, construction quality assurance/control, subsurface investigation and remediation of municipal and private waste landfills, nuclear and fossil fuel power plants, industrial and commercial developments, and soil and groundwater contamination. Typical projects have included the following:

  LANDFILL DESIGN AND PERMITTING

• Brunswick Waste Management Facility, Brunswick County, Virginia. Project manager for the design of a large sanitary and industrial waste landfill in southern Virginia for a private client. Provided complete engineering design, engineering analysis, slope stability and settlement computations, airspace estimates, life span, cost economics and all other requirements of the Virginia Department of Environmental Quality. Managed the preparation of a complete Part B Permit application, including all drawings and narrative, for submittal to the VDEQ within 6 weeks of project initiation. The Part B completeness review was received within 3 weeks of submittal. The final Part B permit in April, 1995. Mr. Isenberg also managed the preparation of construction plans and specifications.
  
  
• Big Bethel Landfill, Hampton, Virginia. Project task manager for the engineering design of a 238 acre landfill expansion project in southern Virginia. The work involved complete design, engineering analyses, phasing plans, and Part B Permit Application submittal to the Virginia Department of Environmental Quality. The project was completed within 12 weeks. The Part B completeness review was received within 2 weeks of submittal. To maximize airspace and take advantage of site conditions, the design was for a "zone of saturation" facility, wherein the composite base liner and leachate collection system were below existing groundwater levels. A subbase drainage system was designed to control groundwater intrusion.
  
  
• Garrett County Landfill, Oakland, Maryland. Project manager for the design of a 20-acre sanitary landfill and 5-acre rubble fill in Garrett County, Maryland for Maryland Environmental Services. The project involved design of base grades, single composite synthetic liner utilizing a geosynthetic clay liner, leachate collection and recirculation system, gas management and other site features. The permit has been issued, construction is complete. Also, provided construction support; the landfill began operations early in 1994.
  
  
• Hunting Ridge Construction and Demolition Landfill, Dorchester County, Maryland. Project manager for the investigation, design and permitting and construction quality assurance for a 2.8 million cubic yard expansion to this facility. The work involved Phase I, II and III permit documents in accordance with Maryland Department of Environment (MDE) regulations. Design services included sizing of stormwater and E&S; ponds, base grades, final grades, surface water management, estimates of leachate generation, development of a groundwater monitoring program, and other MDE requirements. Work also included the design and monitoring of the installation of the site groundwater monitoring wells; County site plan approval; archaeological permit; and wetland delineation. Construction quality assurance of the new cells was provided.
  
  
• Maplewood Landfill, Amelia County, Virginia. Project manager for the design and preparation of permit documents for a 400-acre sanitary landfill in central Virginia. The work involved Part B state permit application, including design of base grades, double-composite synthetic liner, leachate collection features, phasing, earthwork balance, stormwater controls, gas management, access roads and other necessary operational features. The site handles 5,000 tons-per-day. The permit application approval was approved, and construction completed in 1992 for the first cell.
  
  
• Springfield Road Landfill, Henrico County, Virginia. Project manager for the design of a 30-acre expansion to an existing municipal landfill in central Virginia, including design of a double liner/leachate collection system, operational plans, Part A and Part B state permits, wetland assessments and site hydrogeology. Also involved in closure and post-closure engineering for the expansion area and 67 acres of existing landfill area. Project involved preparing cost estimates, technical specifications, design plans, and permit reports. The construction of the initial 10 acre cell was completed in 1994 and is currently receiving refuse.
  
  
• Landfill Design Peer Review, Central Virginia. Provided technical peer review of the design of a large sanitary landfill in central Virginia. The design review included all aspects of the double synthetic liner, base grades, leachate collection system, final cover design, subsurface investigation, geotechnical analysis, site facilities, air space, gas system and other features required under VDWM VR-672-20-10 regulations.
  
  
• Model City Hazardous Waste Site, Niagara Falls, New York. Provided geotechnical engineering evaluations of landfill features including interior and perimeter earth berms, internal drainage systems, and final cover design. Performed slope stability analyses for various slope and filling configurations, evaluated the effectiveness of internal geosynthetic drainage system, and evaluated geotechnical properties of proposed soil borrow. Most recently was involved in the evaluation of hydrostatic uplift analysis for the landfill base excavation.
  
  
• Adams Center Secure Landfill, Fort Wayne, Indiana. Provided geotechnical engineering evaluations of landfill features including interior and perimeter earth berms, internal drainage systems, and final cover design. Performed slope stability analyses for various slope and filling configurations, evaluated the effectiveness of internal geosynthetic drainage system, and evaluated geotechnical properties of proposed soil borrow.
  
  
• Sandy Hill Creative Disposal Project, Bowie, Maryland. Program manager for this two-phased project which was to investigate if landfill gas migration impacted groundwater quality, or if groundwater was impacted by leachate migration. The first phase involved development of a detailed monitoring plan to sample groundwater, soil, gas and leachate, and establish methods to evaluate the results. This plan was reviewed by the MDE and County groups and approved in 1993. The second phase was to implement the investigation plan and prepare a report of findings and conclusions. This second phase has been completed and a report prepared, which is currently undergoing review.
  
  
• CID Landfill Calumet City, Illinois. Project task manager responsible for the investigation, analysis and design of a low-permeability cut-off wall, and leachate collection system to contain potential contaminated groundwater, and maintain gradient control. The work involved field excavation and testing along the alignment, hydrogeologic analysis of drainage system, review and evaluation of the conventional slurry wall technologies, as well as vibrating beam injection, cement- bentonite wall, deep soil mixing, and vertical geomembranes. The construction has been completed and system is functioning.
  
  
• Other landfill design and permitting projects include:

  - Accomack County Landfill, Accomack County, Virginia

  - Prince William County Landfill, Prince William County, Virginia

  - Renville County Landfill, Olivia, Minnesota

  - Elk River Landfill, Elk River, Minnesota

  - Adams County Regional Landfill, Adams County, Washington

  - Sunray-Durham Sanitary Landfill, Durham, Arkansas

  CONSTRUCTION QUALITY ASSURANCE

• Orange County Regional Landfill, Chapel Hill, North Carolina. Providing geotechnical evaluations and direction for this construction project for the Town of Chapel Hill. Involved in evaluations of geotechnical testing data on the low permeability soil liner, bentonite admixture program, borrow source evaluation, as well as general CQA guidance. Working with the project manager on documentation and certification of construction.
  
  
• G.R.O.W.S. Landfill, Philadelphia, Pennsylvania. During 1988, 1989 and 1990 was the Certifying engineer and project manager on construction projects involving closure capping of a 62-acre landfill area and a gabion retaining wall. Included supervision of soil testing (field and lab), field observations, daily and monthly reports to client, personnel management, and final documentation/ certification report. Also involved in field study of using synthetic foam as an alternative daily cover. The foam study involved daily inspections and preparation of technical reports.
  
  
• Palmetto Landfill, Greenville, South Carolina and Hickory Hill Landfill, Hilton Head, South Carolina. Project manager and certifying engineer in 1992 for the construction quality assurance of these two synthetically lined facilities in South Carolina for Waste Management Inc. Involved in all aspects of the construction quality assurance efforts including technical reviews, field and laboratory geotechnical testing, project staffing and scheduling, report reviews, site inspections, preparation of final documentation report and professional engineering certification.
  
  
• Mountain View Reclamation Landfill Facility, Greencastle, Pennsylvania. During 1990 to 1993 was certifying engineer/project manager for construction quality assurance activities related to synthetically lined closure capping and new cell base liners/leachate collection system, erosion and sedimentation control features, synthetic lining of concrete manholes, general earthwork, and pipe testing of a leachate distribution system.
  
  
• Modern Landfill, York, Pennsylvania. Project manager and certifying engineer for construction of HDPE- lined Cells 4 and 5, deep leachate transmission piping, gas extraction wells, closure capping of old and new areas, and other CQA activities. Also, involved as senior advisor on construction of Cells 6 and 7 in 1993, design of final cover system, and final capping work in 1992 and 1993.
  
  
• Sandy Hill Creative Disposal Project, Bowie, Maryland. Certification engineer for the installation of methane gas collection wells and header piping at this operating facility. Also, provided stakeout and surveying of gas well locations and elevations, and prepared scrap tire facility handling permit.
  
  
• Tullytown Resource Recovery Facility, Philadelphia, Pennsylvania. Provided project management, certification engineering, and geotechnical overview of construction quality control and testing for over 3 years including 12 cells or about 150 acres of this above-grade, synthetic double-lined facility. Personnel management, scheduling, cost control, and certification of construction as-builts also included. Involved as project manager and certifying engineer for activities related to closure capping of filled cells.
  
  
• Garrett County Landfill, Oakland Maryland. Provided technical support and guidance to the Maryland Environmental Service during construction of this new facility. The efforts included review of construction documentation, site visits, response to contractor questions and design clarifications.
  
  
• Other landfill construction quality assurance related projects include:

  - Oaks Landfill, Montgomery County, Maryland

  - Omega Hills Landfill, Milwaukee, Wisconsin

  - Hosier Road Landfill, Suffolk, Virginia

  - Theote CD Landfill, Fort Belvoir, Virginia

  - New London Demolition Landfill, New London, Minnesota

  - Elk River Landfill, Elk River, Minnesota

  - Paynesville Landfill, Paynesville, Minnesota

  - Renville County Landfill, Olivia, Minnesota

  - Blackhawk County Landfill, Blackhawk County, Iowa

  - Adams Center Secure Landfill, Fort Wayne, Indiana

  - Model City Secure Landfill, Niagara Falls, New York

  - Tangerine Road Landfill, Tucson, Arizona

  - Springfield Landfill, Springfield, Missouri

  - Western Plains Landfill, Finney County, Kansas

  - Wenatchee Landfill, Wenatchee, Washington
  
  

• Hibbing Taconite Mine, Hibbing, Minnesota. Provided full-time field testing and observation during construction of a 50 high, clay core, earthen dam to retain mine tailings. Performed density and moisture testing of soils, monitored pneumatic pore pressure devices and settlement plates, and observed earthmoving and compaction operations.

  GROUNDWATER INVESTIGATION AND REMEDIATION

• Hazardous Waste Site, Sheffield, Illinois. Project task manager responsible for design and analysis of a low-permeability cut- off wall to isolate groundwater in three areas of the facility, along with a leachate extraction system. Elements of this project included evaluation of several technologies to install the cut-off wall that would minimize removal of contaminated soils. Ultimately, deep-soil mixing (DSM) technology was selected and approved by the U.S. EPA. The design was approved by EPA and construction is underway•
  
  
• Sandy Hill Creative Disposal Project, Bowie, Maryland. Program manager for this two-phased project which was to investigate if landfill gas migration impacted groundwater quality, or if groundwater was impacted by leachate migration. The first phase involved development of a detailed monitoring plan to sample groundwater, soil, gas and leachate, and establish methods to evaluate the results. This plan was reviewed by the MDE and County groups and approved in 1993. The second phase was to implement the investigation plan and prepare a report of findings and conclusions. This second phase has been completed and a report prepared, which is currently undergoing review.
  
  
• Goldcamp Disposal Area, Ironton, Ohio. Working for EPA under the ARCS contract, provided technical review of the Remedial Action/Remedial Design plans and specifications prepared for Allied Signal by Black & Veatch. This involved review of a deep soil-bentonite perimeter cutoff wall design and pumping well-system to contain NAPL's (Non-Aqueous Phase Liquids). The final cap design was also reviewed, which involved comparing the effectiveness of a clay clap to that of a geosynthetic clay liner. Provided overall technical consultation to the USEPA and Ohio EPA regarding design, construction, monitoring and operational issues.
  
  
• Paynesville Landfill, Paynesville, Minnesota. Evaluated hydrogeologic conditions for proposed expansion and site improvements. Worked closely with state and federal regulatory agencies to secure necessary construction permits. Developed a site investigation program for the expansion and long-term monitoring plan. Involved as project manager on construction of clay lined expansion area, borrow source study, and field lab testing of soils.
  
  
• Elk River Landfill, Elk River, Minnesota. Evaluated site geology and hydrogeology for a proposed landfill expansion onto a synthetically lined site. Developed a monitoring program for investigating the location and movement of volatile organic compounds encountered in groundwater samples, supervised testing of final cover soils, evaluated suitability of on-site granular soils for use as drainage and filter materials for a synthetically lined expansion area.
  
  
• CID Landfill Calumet City, Illinois. Project task manager responsible for the investigation, analysis and design of a low- permeability cut-off wall, and leachate collection system to contain potential contaminated groundwater, and maintain gradient control. The work involved field excavation and testing along the alignment, hydrogeologic analysis of drainage system, review and evaluation of the conventional slurry wall technologies, as well as vibrating beam injection, cement-bentonite wall, deep soil mixing, and vertical geomembranes. The construction has been completed and system is functioning.
  
  
• Dewatering System Evaluation Projects, Beltsville, Maryland and Deepwater, New Jersey. Provided technical review and consultation to RUST Remedial Services for well point dewatering systems at the BARC Site (Maryland) and at the Dupont Site (New Jersey) for remediation efforts. Each site required a well point dewatering system to lower groundwater prior to excavation of contaminated soils. This involved review of site hydrogeology, construction methods, well construction, and other site features.

  GEOTECHNICAL ENGINEERING ACTIVITIES

• Power Authority of the State of New York, Staten Island, New York. Geotechnical engineer. Design and overall supervision of field exploration program for fossil power plant site situated on fly ash, including layout, depths and sampling techniques for drill holes into soil and rock, as well as laboratory tests on samples. Work included studies of local geology and groundwater.
  
  
• Fossil-Fuel Generating Plant, Sherburne County, Minnesota. Performed feasibility study of using flexible polymeric membranes to control seepage through ash basins and of possible filter designs to direct seepage. Study entailed determination of engineering properties of foundation and construction soils for ash basin dams, construction techniques, stability analyses, and seepage requirements.
  
  
• Rollin M. Schaffer, Units 14 and 15, Kouts, Indiana. Development, supervision, and performance of field tests to determine permeability of a thin, beam-injected, cement-bentonite slurry wall used to control seepage through settling basin dikes. Analyzed local groundwater system, subsurface soil properties, and distribution and design of water wells and well points. Provided on-site construction monitoring of three test cells and supervised pump tests, which involved round-the-clock staffing.
  
  
• Earthwork Observation and Testing, Minneapolis/St. Paul Metropolitan Area, Minnesota. Geotechnical engineer/project manager. Involved in development and execution of soil and groundwater investigation programs, earthwork and construction observation, testing and documentation, soil laboratory testing, foundation analysis, and design for over 200 development projects, as well as numerous industrial and commercial structures. Designed monitoring wells, retaining walls, developed earthwork quality control specifications, and performed forensic studies of building foundation distress.
  
  
• Commercial Development, College Point, New York. Performed geotechnical investigation within an unpermitted disposal area on Staten Island for a proposed building development.
  
  
• Minorca Taconite, Virginia, Minnesota. Developed a preliminary conceptual design and performed related analyses for implementation of a 40-year life cellular storage system for 90,000 acre-feet of slurried mine tails. Included locating and designing 50,000 linear feet of up to 75-foot high earth fill dams. Performed slope stability and seepage analyses and designed methods to control groundwater and surface water.
  
  
• Other geotechnical engineering and construction related activities included:

  - Bailly N-1 Nuclear Power Plant, Baileytown, Indiana

  - Energy Park Commercial Development, St. Paul, Minnesota

  - J.L. Bates Power Plant, Texas

  - Quad Cities Nuclear Power Plant, Quad Cities, Iowa

  - Cold Spring Dam, Cold Spring, Minnesota

  - Kings Mill Dam, Faribault, Minnesota

  - Potlach Papermill, Cloquet, Minnesota

  - Duluth Landfill, Duluth, Minnesota