Environmental Remediation, Sediment, and Treatability Testing

HWA offers advanced environmental remediation and treatability testing, including:

Leaching Tests:

• Column Leaching (ASTM D-4874/USACOE Methods)
• Sequential Batch Leaching (USACOE Method)
• Pore water Extraction
• Residual Saturation (for water or NAPL) (ASTM D-425)
• Standard or Modified Elutriate Test

 

Partitioning / Isotherms

• Linear Sorption Isotherms (USACOE Method)
• Distribution (Kd) Coefficients (USACOE Method)
• Sorption Constants for Organics (Koc)(ASTM E-1195)

 

Settling Tests

• Column Settling Test (USACOE Method)

 

Barriers/Caps/Stabilization

• Soil cement and bentonite amended soils testing
• Slurry Wall Mix Design
• Permeable and Reactive Barrier Wall Tests
• Liner/Leachate Compatibility Testing
• Bench Scale Soil or Sediment Stabilization / Solidification Tests

 

Miscellaneous

• Biodegradation Tests / Respirometry