Residue - WP proficiency testing material is produced in accordance with ISO/IEC 17043:2010. Also referred to as non - Potable water or Water Pollution sample, this sample is produced according to TNI requirements. However, please note, this sample may include non-TNI analytes as well. The higher criteria from the TNI tables mimic the levels common to wastewater samples. The PT portfolio allows our test components to offer significant performance data to monitor and prove competency to customers, accreditation bodies or both.
Supelco® is a global proficiency testing (PT) provider that manufactures best-in-class environmental and pharmaceutical PT products. Most water PT samples are available as concentrates or ready-to-use volumes giving the end-user flexibility in selecting samples that will fit their exact needs. Our WP program is designed to meet the quality assurance requirements in compliance with Discharge Monitoring Report - Quality Assurance Program (DMR-QA), thereby ensuring the analytical competence of your laboratory.
Type of PT Scheme: Water analysis - Water Pollution (WP)
Matrix: Water Pollution/Wastewater
Analyte/s: Values of analytes vary lot to lot.
All information regarding the use of Residue - WP can be found in the reporting packet which will be available to download at PT Portal.
Residue - WP is a non-Potable water (NPW) PT standard, suitable for testing total solids (TS), total dissolved solids (TDS) and total suspended solids (TSS), non-filterable residue in water pollution/wastewater.
Have any questions? Explore our FAQs. For more information on this product, please contact our PT Service Team.
Features and Benefits
We have a vast portfolio of environmental PT schemes with "fit-for-purpose" samples to help you meet the needs of the laboratory.
Our proficiency testing (PT) program is a benchmark to:
provide staff with an insight into their laboratory′s performance, to verify the accuracy and reliability of their testing process
provide a comparison of performance with that of other laboratories, nationally and internationally
test and educate staff, provide a better understanding of the impact of incorrect results and identify areas where there may be problems
provide an independent evaluation of laboratory performance
demonstrate to clients, colleagues and accreditation bodies that there is a commitment to quality
This 500-mL ready-to-use whole-volume sample contains a material for analysis of TSS, TS and TDS.
Mix by inverting the container 10 times. Let the container stand for 10 minutes and invert again 10 times.
When transferring to another container, repetitively mix and pour so as not to allow solids to settle before transfer is complete.
The sample is now ready for immediate analysis.
Storage and Stability
Please refer to sample label for expiration date, specific storage temperature, and specific storage conditions.
Are you new to Supelco® Proficiency TestingͰ Be sure to register your account details in the PT Portal before placing your order. This will provide access to data entry, reporting packets and final reports. Registrations will be approved shortly after your order is placed. For further questions, write to us at firstname.lastname@example.org.
When placing your order online, please indicate your study preference under the ′your reference′ column. Available studies can be viewed at the bottom of the page. Click here to learn more about Quick-Turn Studies (on-demand proficiency tests that are offered depending on lot availability). The Quick-Turn results are released within 48-72 hours whereas scheduled study reports are released within 21 days.
Proficiency testing samples are presented as single blind. No values for the samples are released until the testing period concludes.
Proficiency Testing Schedule (2022-2023)
Wastewater WP22-1 January 12 – February 25, 2022 WP22-2 March 23 - May 6, 2022 WP22-3 July 6 - August 19, 2022 WP22-4 September 21 - November 4, 2022
WP23-1 January 11 – February 24, 2023 WP23-2 March 22 – May 5, 2023 WP23-3 July 5 – August 18, 2023 WP23-4 September 20 – November 3, 2023