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G.E.M. Testing has capability in the following geo-environmental site analysis and remediation testing methods, among others:


(1) Soil Borings

                   Open-hole Rotary Drilling

                   Continuous Flight Hollow-Stem Auger

                   Continuous Flight Solid Auger

                    Split Barrel Sampling

                    Thin Walled Tube Sampling

                    Diamond Core Drilling

                    Drilled Pier Augers

                    Auger Borings & Wash Borings

                    Dutch Cone Penetration Borings

                    Push Tube Samplers

                    Standard Penetration Test (N-Values)

                    Soil Horizons & Stratifications

                    Water Tables & Perched Water Analysis

                    Depth to Bedrock


  (2) Field Soil Classifications

                    Grain-Size Distributions

                    Hydrometer Analysis

                    Liquid Limits & Plastic Limits

                    Plasticity Indices

                    Organic Ratios

                    Photoionization Detector Testing


  (3) Monitoring Well Design, Installation & Analysis

                    Well Density, Depth, Construction & Drilling Methods

                    Containment Plume Detection Probability

                    Effects of Aquifer Characteristics

                    Network Design (Intergranular or Fracture Porosity Aquifers)

                    Well Clusters

                    Leachate Movement Analysis

                    Observation Wells

                    Piezometer & Well Screening & Risers

                    Bentonite Sealers & Cement Plugs

                    Sand Backfill Sizing

                    Guard Pipe & Locking Cap Fittings

                    Well Development and Purging

                    Well Recovery Analysis

                    Ground Water Depth Measurements

                    Ground Water Flow Direction and Gradient

                    Sampling Procedures & Sample Preservation

                    Chain of Custody Procedures

                    Field Permeability

                    Lab Permeability

                    Geologic Cross Sections

                    Aquifer Delineation and Area Ground Water Usage

  (4) Other test procedures include:

                    pH of Soil for Use in Corrosion Testing

                    Investigating and Sampling Soil and Rock

                    Deep, Quasi-Static, Cone and Friction Cone Penetration Tests of Soil

                    Density of Soil and Rock In-Place by Nuclear Methods

                    Subsurface Liquid Levels in Monitoring Well Boreholes (Observation Wells)

                    Field Vane Shear Test in Cohesive Soil

                    Penetration Test and Split-Barrel Sampling of Soils

                    Diamond Core Drilling for Site Investigation

                    Preserving and Transporting Soil Samples

                    Ring-Lined Barrel Sampling of Soils

                    Soil Investigation and Sampling by Auger Borings

                    Thin-Walled Tube Sampling of Soils

                    Amount of Material in Soil Finer Than the No. 200 (75 pm) Sieve

                    Laboratory Compaction Characteristics of Soil Using Modified Proctor

                    Laboratory Determination of Water Content of Soil, Rock & Aggregate Mixtures

                    Liquid Limit, Plastic Limit, and Plasticity Index of Soils

                    Maximum Index Density and Unit Weight of Soils Using a Vibratory Table

                    Minimum Index, Density and Unit Weight of Soils and Relative Density

                    Particle-Size Analysis of Soils

                    Shrinkage Factor of Soils

                    Specific Gravity of Soils

                    Correction of Unit Weight and Water Content for Soil Containing

                      Oversize Particles

                    Dry Preparation of Soil Samples for Particle-Size Analysis and

                          Determination of Soil Constants

                    Wet Preparation of Soil Samples for Particle-Size Analysis and

                          Determination of Soil Constants

                    Permeability of Granular Soils (Constant Head)

                    Expansion Index of Soils

                    One Dimensional Swell or Settlement Potential of Cohesive Soils

                    Unconfined Compressive Strength of Cohesive Soil

                    pH of Soils

                    Classification of Soils for Engineering Purposes

                    Description and Identification of Soils (Visual-Manual Procedures)

                    Density and Unit Weight of Soil in Place by the Rubber Balloon Method

                    Density and Unit Weight of Soil in Place by the Sand-Cone Method

                    Density of Soil and Rock in Place by Nuclear Methods

                    Density of Soil and Soil Aggregate in Place by Nuclear Method (Shallow Depth)

                    Density of Soil in Place by the Drive-Cylinder Method

                    Determination of Water (Moisture) Content of Soil by Direct Heating Method

                    Determination of Water (Moisture) Content of Soil by Microwave Method

                    Lime Content of Uncured Soil-Lime Mixtures

G.E.M. Testing has capability in the following site related remedial oversight, among others:


  (1) Excavation and Landfilling

                    Volume Change Characteristics Calculations

                    Spoil Bank Calculations

Use of Cranes, Clamshells, Power Shovels, Draglines, Hoes, Wheel and Track Loaders, Tractors, Scrapers, Compaction Equipment, and Graders

                          Improvement of Landfilling Operations via Queuing Theory Optimization and System Design and Simulation


  (2) UST Removal, including:

                    30-day Notification to State Fire Marshal

                    Site Control Boundaries

                    Excavation, Decontamination & Flushing

                    Nitrogen Purging

                    Access Way Cutout & Tank Interior Ventilation

                    Sludge Removal, Scrubbing & Rinsing

                    Characterization of Waste Material

                    Removal of Fill Material

                    Removal of Piping

                    Containment Dike for Excavated Soil

                    Photo-ionization Meter

                    Selection of Soils for Landfill

                    Preparation of Closure Assessment Reports 


  (3) Bioremediation

                    Land Farming

                    Bacteria Actinomycetes and other Microbe Analysis

                    Defining Treatment Zones

                    Microbial Activity Promoting Agents

                          (Biological Organisms, Phosphorous, Nitrogen, Water)

                    Rotary Harrow Stirring Procedures

                    Porous Pipe Oxygenation Network

                    Treatment Zone Impervious Liners


  (4) Soil Containment

                    French Drains

                    Pumped Dewatering Wells & Well Points

                    Unsuitable Materials Removal

                    Hydrated Lime Stabilization & Flyash Stabilization

                    Stone Choking or Bridging


                    Soil Selection & Subgrade Preparation

                    Moisture Contents & Maximum Densities

                    Proctor Analysis

                    Compaction-Kneading, Tamping (Sheepsfoot, Grid & Segmented Pad Rollers)

                    Trench Stability Analysis

                    Moisture Barriers

                    Leach Beds & Evapo-Transpiration Systems 

  (5) Concrete Containment & Cement Stabilization

                    Compressive Strength

                    Air Entrainment



                    Pumping Requirements

                    Cold Weather Accelerators



                    Sulfate Protection

                    Acid Protection

                    Chloride Protection

                    Sulfide Protection  


  (6) Pozzolanic Stabilization

                    Solvay Process Waste Disposal

                    Lime Spoil and Sludge Stabilization

                    Pozzolanic Fly Ash Based Stabilization

                    Slope Stability Considerations

                    Optimization of Design Considerations


  (7) Fabric Containment

                    Permeable and Non-Permeable Fabrics


  (8) Chemical Suspension Grout Containment

                    Bentonite and Cement


  (9) Ground Water Pump and Treat

                    Petroleum Contamination


  (10) SWMM Flow Modeling

                    Routing Simulation

                    Runoff Hydrographs

                    Groundwater Absorption vs. Overland Flow


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