Work Item
ASTM WK84635
New Practice for Detection of Hydrocarbon Liquids in Soils by Fluorescence with the Optical Imaging Profiler Using Direct Push Methods
1. Scope
This practice presents a method for delineating the subsurface presence of nonaqueous phase liquids (NAPL) consisting of petroleum hydrocarbons, coal tars and similar waste materials using an optical image profiler (OIP) system. The OIP probe is advanced into waste materials, soils and unconsolidated formations using direct push (DP) methods. The OIP system provides data approximately each 15mm [0.05ft] of log depth to support high resolution site characterization.
Keywords
Groundwater, Hydrocarbons, Fluorescence, NAPL, logging, direct push, PAH, CMOS, LED, ultraviolet
Rationale
The presence of nonaqueous phase hydrocarbons such as gasoline, coal tar, creosote, and similar wastes in subsurface soil is a pervasive problem in industrialized countries. The optical image profiler (OIP)* provides an efficient and effective way to detect the presence and extent of these hazardous materials in subsurface soil. When used in conjunction with other direct push logging sensors (electrical conductivity, hydraulic profiling tool, CPT) it provides an efficient means to develop a high-resolution conceptual site model for facilities located in soils and unconsolidated formations. The OIP data and resultant site models can be used to guide sampling, monitoring, and remediation efforts at many sites to reduce the time to and cost of closure. This technology and standard will be valuable for industry, regulators, and the regulated community to advance site assessment, investigation and remediation activities more efficiently.
The title and scope are in draft form and are under development within this ASTM Committee.
Work Item Status
Date Initiated: 12-23-2022
Technical Contact: Wesley Mc Call