The PT sample size provided is 100 g of soil.  Recommended minimum sample size is 10 grams.

The soil has been chemically stabilized to minimize degradation of the sample.

The PT sample has been sized to 100 mesh.

The sample has been intentionally prepared with an apparent headspace.

The sample is suitable for gravimetric, GC, and IR methods.

The carbon chain of interest is C10 to C25.

If you analyze for a different range as dictated by your analysis method you must indicate that range on the report form.

Mix prior to use.

The sample is a soil containing Diesel Range Organics (DRO) to be extracted and analyzed using the methods for which you are seeking accreditation.

On the report form, list the extraction technique and determinative method used for analysis of this sample.

Report on a dry weight basis.