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PE1799 Supelco

TPH in Water (low level)

Proficiency Testing Material

  •  NACRES NA.24



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Underground Storage Tank PTs (UST),
Quality Level   100
packaging   ampule of 1 × 2 mL
mfr. no.   RTC, PEO-115TX-L
concentration   in pentane
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.

Preparation Note

This vial contains a concentrate of a blended gasoline from three different sources and diesel fuel oil No. 2 in pentane for analysis by TNRCC Method 1005.
When prepared according to instructions, the concentration of each analyte will be less than 10 mg/L.

Sample preparation
To prepare solution, fill a 40-mL VOA vial to volume with carbon-filtered reagent-grade water at room temperature.
Remove enough water to allow for the addition of extraction solvent.
Open vial PE1799-2ML and immediately withdraw 40 μL with a gas tight syringe.
Quickly inject the 40 μL aliquot below the surface of the reagent water in the voa vial.
Add extraction solvent.
Mix the sample by inverting the flask three times only (excessive shaking results in loss of volatiles) and analyze immediately. Assume a 40 mL sample for calculation purposes. Note this is a 1:1000 dilution and other dilutions are acceptable.

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 (2020-2021)

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

WP21-1 January 13 - February 26, 2021
WP21-3 July 7 - August 20, 2021

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



Product #

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Residual Range Organics (RRO),>C28-C35 0.000 - 10.0 mg/L    
Total Petroleum Hydrocarbons (TPH), (C6-C35 5-50 mg/L    
Diesel-range total petroleum hydrocarbons, >C12-C28 0.000 - 10.0 mg/L    
Gasoline Range Organics, C6-C12 0.000 - 10.0 mg/L    
Safety & Documentation

Safety Information

Signal word 
Target organs 
Central nervous system
Supplemental Hazard Statements 
UN1265 - class 3 - PG 2 - Pentanes
WGK Germany 
Flash Point(F) 
-56.2 °F - closed cup - Solvent
Flash Point(C) 
-49 °C - closed cup - Solvent


Certificate of Analysis (COA)

Please Enter a Lot Number

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 or view 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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