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SPE025 Supelco

BTEX/MTBE in Soil - PT

Proficiency Testing Material



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Solids/Soils Hazardous Waste Organic PTs,
packaging   ampule of 1 × 30 g
mfr. no.   RTC, SPE-025
matrix   soil
Featured Industry   Environmental
shipped in   wet ice
storage temp.   −20°C


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 (2019-2020)

LPTP19-S1 January 30 - March 15, 2019
LPTP19-S2 April 10 - May 24, 2019
LPTP19-S3 July 24 - September 6, 2019
LPTP19-S4 October 9 - November 22, 2019

LPTP20-S1 January 29 - March 13, 2020
LPTP20-S2 April 8 - May 22, 2020
LPTP20-S3 July 22 - September 4, 2020
LPTP20-S4 October 7 - November 20, 2020

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.



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1,2,4-Trimethylbenzene 1000-10000 μg/kg    
1,2-Dichlorobenzene 1000-10000 μg/kg    
1,3,5-Trimethylbenzene 1000-10000 μg/kg    
1,3-Dichlorobenzene 1000-10000 μg/kg    
1,4-Dichlorobenzene 1000-10000 μg/kg    
Benzene 1000-10000 μg/kg    
Ethylbenzene 1000-10000 μg/kg    
m+p-Xylene 1000-10000 μg/kg    
Methyl tert-butyl ether (MTBE) 2000-10000 μg/kg    
Naphthalene 2000-10000 μg/kg    
o-Xylene 1000-10000 μg/kg    
Toluene 1000-10000 μg/kg    
Total Purgeable Hydrocarbons 2000 - 90000 ug/kg    
Xylene, total 2000-20000 μg/kg    
Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products.Once you log onto our website, you will find the price and availability displayed on the product detail page.You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 orview local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
Are Certificates of Analysis created forRTC proficiency testing products?
Certificates of Analysis are not available for RTC proficiency testing products. Those are the samples with the SPE or PE prefix in the part number.
My question is not addressed here, how can I contact Technical Service for assistance?
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