What analytical methods should be used to test for hydraulic oil, lube oil, stoddard solvent dielectric fluids or weathered fuels in soils; and what standards are applied to the results?
Soil testing for the suspected presence of these compounds should utilize Method 8260 + 10 Tentatively Identified Compounds (TICs) for the volatiles and Method 8270 + 20 TICs for the semi volatiles. The laboratory will report the 10 highest (for volatiles) and 20 highest (for semi volatiles) tentatively identified compounds as well as their estimated levels contained in the sample. The TIC results must then be added and compared to the appropriate TAGM 4046 soil general criteria: 10 ppm for total volatiles and 500 ppm for total semi volatiles. The project manager for your site takes into consideration remaining routes of exposure, groundwater contamination, and difficulty of additional soil removal and uses professional judgement to determine the site cleanup objectives.
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