Subcommittee D18.21 on Groundwater and Vadose Zone Investigations

Matching Standards Under the Jurisdiction of D18.21 by Status

Proposed New

  • WK40037 Determining Concentration Values from Groundwater, Air, and Soil Gas Using Adsorbent-Based, Passive Samplers

  • WK66935 Detection of Hydrocarbon Liquids in Soils by Fluorescence with the Optical Imaging Profiler Using Direct Push Methods

Withdrawn, Replaced