Properties:

Description:

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

General description

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Other Notes

Proficiency testing samples are presented as single blind. No values for the samples are released until the testing period concludes. Values of analytes vary lot to lot.

Proficiency Testing Schedule (2017-2018)

Soils
LPTP17-S1 February 1 - March 17, 2017
LPTP17-S2 April 12 - May 26, 2017
LPTP17-S3 July 26 - September 8, 2017
LPTP17-S4 October 11 - November 24, 2017

LPTP18-S1 January 31 - March 16, 2018
LPTP18-S2 April 11 - May 25, 2018
LPTP18-S3 July 25 - September 7, 2018
LPTP18-S4 October 10 - November 23, 2018

Quick-Turn Study - (non-scheduled proficiency test that is available at any time)

Preparation Note

The PT sample size provided is 33 g of soil.  Minimum recommended sample size is 5 grams. The soil has been chemically synthesized with 6 mL of methanol to minimize degradation of the sample. The PT sample has been sized to 100 mesh. This sample has been prepared with an apparent headspace. If you Analyze for a different range as dictated by your analysis method you must indicate that range on the report form.

Sample Preparation
Mix and sample at 4° C to minimize volatilization of the contents. Do not bring the sample to room temperature prior to sampling. The sample is a soil containing BTEX  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 the analysis of the sample. Report on a wet weight basis.

Safety:

Symbol 

  GHS07, GHS08