| FIELD
    SAMPLING AND ANALYSIS MATRIX: FIELD SAMPLING AND COLLECTION TECHNIQUES | 
  
  
    | Italics   Most commonly used field techniques from
    Subsurface Characterization and Monitoring Techniques  EPA 625-R-93-003 See Legend below for explanation, or switch to the text-based version if this loads too slowly. 
    Technique / Instrumentation  | 
       
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    MEDIA | 
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    | 3  ACCESS TOOLS | 
  
  
    | 3.1  
    Drilling Methods - Unconsolidated Formations | 
  
  
    | 3.1.1  Hollow-Stem Auger | 
    All | 
      | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 3.1.2  Direct
    Mud Rotary | 
    All | 
      | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 3.1.3  Directional
    Drilling | 
    All | 
      | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 3.1.4  Solid
    Flight and Bucket Augers | 
    All | 
      | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 3.1.5  Jetting
    Methods | 
    2, 4-6, 10, 11 | 
      | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 3.1.6  Sonic
    Drilling | 
    All | 
      | 
      | 
    NA | 
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    II | 
    No | 
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    | 3.2 
    Drilling Methods - Consolidated Formations | 
  
  
    | 3.2.1  Direct
    Air Rotary with Rotary Bit / Downhole Hammer | 
    2, 4-6, 10, 11 | 
      | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 3.2.2  Cable Tool | 
    2, 4-6, 10, 11 | 
      | 
      | 
    NA | 
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    III | 
    No | 
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    | 3.2.3  Rotary
    Diamond Drilling | 
    2, 4-6, 10, 11 | 
      | 
      | 
    NA | 
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      | 
    III | 
    No | 
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    | 3.3 
    Drive Methods | 
  
  
    | 3.3.1  Cone
    Penetrometer | 
    All | 
      | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 3.3.2  Direct
    Push Sampler | 
    All | 
      | 
      | 
    NA | 
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      | 
      | 
      | 
    II | 
    No | 
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    | 3.4 
    Sampling Installations for Portable Samplers | 
  
  
    | 3.4.1  Driven
    Wells | 
    All | 
    NA | 
      | 
    NA | 
      | 
      | 
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      | 
    III | 
    No | 
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    | 3.4.2  Single Riser / Limited Interval Wells | 
    All | 
    NA | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 3.4.3  Nested
    Wells / Single Borehole | 
    All | 
    NA | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    II | 
    No | 
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    | 3.4.4  Nested
    Wells / Multiple Boreholes | 
    All | 
    NA | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    II | 
    No | 
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    | 3.5 
    Portable In-Situ Ground Water Samplers / Sensors | 
  
  
    | 3.5.1  Direct
    Drive Samplers | 
    All | 
    NA | 
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      | 
      | 
      | 
      | 
      | 
    II | 
    No | 
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    | 3.5.2  Passive
    Multilayer Samplers | 
    1, 3 | 
    NA | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 3.6 
    Fixed In-Situ Samplers | 
  
  
    | 3.6.1  Multilevel
    Capsule Samplers | 
    All | 
    NA | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 3.6.2  Multiple-Port
    Casings | 
    All | 
    NA | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 3.6.3  Passive
    Multilayer Samplers | 
    1, 3 | 
    NA | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 3.7 
    Destructive Sampling Methods | 
  
  
    | 3.7.1  Coring
    and Extraction | 
    All | 
    NA | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 3.7.2  Temporary
    Installations | 
    All | 
    NA | 
      | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4   COLLECTION TOOLS | 
  
  
    | 4.1 
    Hand-Held Methods | 
  
  
    | 4.1.1  Scoops,
    Spoons, and Shovels | 
    All | 
      | 
    NA | 
    NA | 
    NA | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.1.2  Augers | 
    All | 
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    NA | 
      | 
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      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.1.3  Tubes | 
    All | 
      | 
    NA | 
    NA | 
    NA | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.2 
    Power-Driven Soil Samplers | 
  
  
    | 4.2.1 Split
    and Solid Barrel | 
    All | 
      | 
    NA | 
    NA | 
    NA | 
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      | 
    III | 
    No | 
      | 
  
  
    | 4.2.2 Rotating
    Core | 
    2, 4-6, 10, 11 | 
      | 
    NA | 
    NA | 
    NA | 
      | 
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    II | 
    No | 
      | 
  
  
    | 4.2.3 Thin-Wall
    Open Tube | 
    All | 
      | 
    NA | 
    NA | 
    NA | 
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    III | 
    No | 
      | 
  
  
    | 4.2.4  Thin-Wall
    Piston / Specialized Thin Wall | 
    All | 
      | 
    NA | 
    NA | 
    NA | 
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    III | 
    No | 
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    | 4.3 
    Portable Positive Displacement | 
  
  
    | 4.3.1  Bladder
    Pump | 
    All | 
    NA | 
      | 
      | 
    NA | 
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    III | 
    No | 
      | 
  
  
    | 4.3.2  Gear
    Pump | 
    All | 
    NA | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    I | 
    No | 
      | 
  
  
    | 4.3.3  Submersible
    Helical Rotor Pump | 
    All | 
    NA | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    I | 
    No | 
      | 
  
  
    | 4.3.4  Gas-Driven
    Displacement Pumps | 
    All | 
    NA | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.3.5  Gas-Driven
    Piston Pumps | 
    All | 
    NA | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 4.4 
    Other Portable Ground Water Sampling Pumps | 
  
  
    | 4.4.1  Suction-Lift
    Pumps (peristaltic) | 
    All | 
    NA | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.4.2  Submersible
    Centrifugal Pump | 
    All | 
    NA | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.4.3  Inertial-Lift
    Pumps | 
    All | 
    NA | 
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    NA | 
      | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 4.5 
    Portable Grab Samplers | 
  
  
    | 4.5.1  Bailer | 
    All | 
    NA | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.5.2 
    Pneumatic Depth-Specific Samplers | 
    All | 
    NA | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 4.5.3  Mechanical
    depth-Specific Samplers | 
    All | 
    NA | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.6 
    Extractive Collection Methods | 
  
  
    | 4.6.1 
    Soil Water Extraction | 
    All | 
      | 
      | 
      | 
    NA | 
      | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 4.6.2  Sorbent
    Devices | 
    All | 
    NA | 
      | 
      | 
      | 
    NA | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.6.3  Biological
    Indicators | 
    All | 
      | 
      | 
      | 
      | 
    NA | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 4.7 
    Gas / Air Collection Methods | 
  
  
    | 4.7.1  Soil
    Gas Sampling (static) | 
    1, 3 | 
    NA | 
    NA | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.7.2  Soil
    Gas Probes | 
    1, 3 | 
    NA | 
    NA | 
    NA | 
      | 
      | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 4.7.3  Air
    Sampling Devices | 
    1, 3 | 
    NA | 
    NA | 
    NA | 
      | 
    NA | 
      | 
      | 
    III | 
    No | 
    NA | 
  
  
    | 5   EXTRACTION METHODS | 
  
  
    | 5.1  Solvent
    Extraction | 
    1-7, 10, 11 | 
      | 
      | 
      | 
    NA | 
    NA | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 5.2  Thermal
    Digestion | 
    7-9 | 
      | 
      | 
      | 
    NA | 
    NA | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 5.3  Thermal
    Extraction / Desorption | 
    2, 4, 5 | 
      | 
      | 
      | 
    NA | 
    NA | 
      | 
      | 
    II | 
    No | 
      | 
  
  
    | 5.4  Purge
    and Trap | 
    1, 3 | 
      | 
      | 
      | 
    NA | 
    NA | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 5.5  Headspace | 
    1, 3 | 
      | 
      | 
      | 
      | 
    NA | 
      | 
      | 
    III | 
    No | 
      | 
  
  
    | 5.6  Supercritical
    Fluid Extraction | 
    2, 4, 5, 10 | 
      | 
      | 
      | 
    NA | 
    NA | 
      | 
      | 
    I | 
    No | 
      | 
  
  
    | 5.7  Membrane
    Extraction | 
    1, 3 | 
    NA | 
      | 
      | 
      | 
    NA | 
      | 
      | 
    I | 
    No | 
      | 
  
  
    | 5.8  Sorbent
    Extraction | 
    1-10 | 
    NA | 
      | 
      | 
      | 
    NA | 
      | 
      | 
    II | 
    No | 
      |