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PE1798 Supelco

Gasoline in Water - PT

Proficiency Testing Material, Concentrate for dilution to 100 mL



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Underground Storage Tank PTs (UST),
packaging   ampule of 1 × 2 mL
mfr. no.   RTC, PEO-010
concentration   in methanol
Featured Industry   Environmental
storage temp.   2-8°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 unti the testing period concludes. Values of analytes vary lot to lot.

Proficiency Testing Schedule (2019-2020)

WP19-1 January 16 - March 1, 2019
WP19-2 March 27 - May 10, 2019
WP19-3A May 15 - June 28, 2019
WP19-3B July 10 - August 23, 2019
WP19-4 September 25 - November 8, 2019
WP19-5 November 20 - January 3, 2020

WP20-1 January 15 - February 28, 2020
WP20-2 March 25 - May 8, 2020
WP20-3A May 13 - June 26, 2020
WP20-3B July 8 - August 21, 2020
WP20-4 September 23 - November 6, 2020
WP20-5 November 25 - January 8, 2021

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

Preparation Note

This ampule contains a concentrate of a blended gasoline from three different sources in methanol.
This PT sample is packaged as a 1.5 mL concentrate.
The solvent for this sample is methanol.
The PT sample is not preserved.

Sample preparation
Fill a 100-mL volumetric flask to volume with carbon-filtered reagent-grade water at room temperature.
Open ampule PEO-010 (be careful to avoid cuts on glass) and immediately withdraw 20 μL.
Quickly inject the 20 μL aliquot into the reagent water in the expanded area of the volumetric flask.
Mix the sample by inverting the flask three times only (excessive shaking results in loss of volatiles) and analyze immediately



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Benzene 1-120 μg/L    
Ethylbenzene 1-100 μg/L    
Methyl tert-butyl ether (MTBE) 1-50 μg/L    
Naphthalene 0-50 μg/L    
Toluene 1-300 μg/L    
Total Purgeable Hydrocarbons 200-4000 μg/L    
m+p-Xylene 1-300 μg/L    
o-Xylene 1-300 μg/L    
Xylene, total 1-300 μg/L    
C5-C8 Aliphatic Hydrocarbons 1-4000 μg/L    
Unadjusted C5-C8 Aliphatic Hydrocarbons 1-4000 μg/L    
C9-C12 Aliphatics 1-4000 μg/L    
Unadjusted C9-C12 Aliphatic Hydrocarbons 1-4000 μg/L    
C9-C10 Aromatic Hydrocarbons 1-4000 μg/L    
Gasoline range organics (GRO), C5-C10 400-4000 μg/L    
Gasoline Range Organics, C6-C12 400-4000 μg/L    
Gasoline range organics (GRO), C5-C12 0-4000 μg/L    
Gasoline Range Organics, C6-C10 0-4000 μg/L    
Safety & Documentation

Safety Information

Signal word 
UN1230 - class 3 - PG 2 - Methanol, solution
WGK Germany 
Flash Point(F) 
51.8 °F
Flash Point(C) 
11 °C


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?
Ask a Scientist here.
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