2025 Proficiency Study Schedule
ISO 17043-Accredited PT Programs Available:
Environmental PT
- Matrices: Drinking Water, Wastewater, Soil, Sludge, Hazardous Waste
- Analytes: Comprehensive, US EPA-centered
Food PT
- Matrices: Meat, Dairy, Grain
- Analytes: Nutritional Proximates, Elements, Allergens
Nutraceutical & Cannabis PT
- Matrices: Plant Material, Oil, Chocolate Edible
- Analytes: Comprehensive
Non Potable Water - Wastewater - Chemistry PT Studies
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available 21 days after study closure | Last Order Date USA | Last Order Date International Outside USA |
WP-305* | Jan 15, 2025 | Feb 28, 2025 | Mar 21, 2025 | Feb 21, 2025 | Feb 14, 2025 |
WP-3061 | Mar 12, 2025 | Apr 25, 2025 | May 09, 2025 | Apr 18, 2025 | Apr 11, 2025 |
WP-307* | Apr 16, 2025 | May 30, 2025 | Jun 20, 2025 | May 23, 2025 | May 16, 2025 |
WP-308 | May 07, 2025 | Jun 20, 2025 | Jul 11, 2025 | Jun 13, 2025 | Jun 06, 2025 |
WP-309* | Jul 16, 2025 | Aug 29, 2025 | Sep 19, 2025 | Aug 22, 2025 | Aug 15, 2025 |
WP-3102 | Aug 06, 2025 | Sep 19, 2025 | Oct 10, 2025 | Sep 12, 2025 | Sep 05, 2025 |
WP-311* | Oct 08, 2025 | Nov 21, 2025 | Dec 12, 2025 | Nov 14, 2025 | Nov 07, 2025 |
WP-312 | Nov 05, 2025 | Dec 19, 2025 | Jan 09, 2026 | Dec 12, 2025 | Dec 05, 2025 |
- *Denotes Full Organic & Inorganic Studies. The others are Inorganic Only PT Studies.
- 1This study number complies with NJ DEP March non-potable water PT study schedule. NJ DEP complaint analysis should occur between March 1st and April 25th 2025. Final graded reports will be submitted to NJ DEP on May 9th 2025.
- 2This study number complies with NJ DEP September non-potable water PT study schedule. NJ DEP complaint analysis should occur between September 1st and September 19th 2025. Final graded reports will be submitted to NJ DEP on November 14th 2025.
Non-Potable Water (NPW) Microbiological Proficiency Test Studies
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available 21 days after study closure | Last Order Date USA | Last Order Date International Outside USA |
MP-207 | Jan 14, 2025 | Feb 27, 2025 | Mar 20, 2025 | Feb 20, 2025 | Feb 13, 2025 |
MP-2083 | Mar 11, 2025 | Apr 24, 2025 | May 09, 2025 | Apr 17, 2025 | Apr 10, 2025 |
MP-209 | Apr 08, 2025 | May 22, 2025 | Jun 12, 2025 | May 15, 2025 | May 08, 2025 |
MP-210 | Jul 09, 2025 | Aug 22, 2025 | Sep 12, 2025 | Aug 15, 2025 | Aug 08, 2025 |
MP-211 | Sep 03, 2025 | Oct 17, 2025 | Nov 07, 2025 | Oct 10, 2025 | Oct 03, 2025 |
MP-212 | Oct 21, 2025 | Dec 04, 2025 | Dec 25, 2025 | Nov 27, 2025 | Nov 20, 2025 |
- 3This study number complies with NJ DEP March non-potable water PT study schedule. NJ DEP complaint analysis should occur between March 11th and April 24th 2025. Final graded reports will be submitted to NJ DEP on May 9th 2025.
DMRQA-45 Study
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available 21 days after study closure | Last Order Date USA | Last Order Date International Outside USA |
DMRQA-45* | TBA Tentatively Apr 1, 2025 | TBA Tentatively Aug 31, 2025 | TBA | TBA Tentatively Aug 31, 2025 | TBA Tentatively Aug 31, 2025 |
- *DMRQA study schedule will be posted on the website when announced by the US EPA.
Potable Water - Drinking Water Chemistry PT Studies
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available 21 days after study closure | Last Order Date USA | Last Order Date International Outside USA |
WS-1414 | Jan 08, 2025 | Feb 21, 2025 | Mar 14, 2025 | Feb 14, 2025 | Feb 07, 2025 |
WS-142 | Apr 02, 2025 | May 16, 2025 | Jun 06, 2025 | May 09, 2025 | May 02, 2025 |
WS-1435 | Jul 02, 2025 | Aug 15, 2025 | Sep 05, 2025 | Aug 08, 2025 | Aug 01, 2025 |
WS-144 | Oct 13, 2025 | Nov 26, 2025 | Dec 17, 2025 | Nov 19, 2025 | Nov 12, 2025 |
- 4This study number complies with NJ DEP January drinking water PT study schedule. NJ DEP complaint analysis should occur between January 8th and February 21st 2025. Final graded reports will be submitted to NJ DEP on March 14th 2025.
- 5This study number complies with NJ DEP July drinking water PT study schedule. NJ DEP complaint analysis should occur between July 2nd and August 15th 2025. Final graded reports will be submitted to NJ DEP on September 5th 2025.
Potable Water - Drinking Water - Microbiological PT Studies
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available 21 days after study closure | Last Order Date USA | Last Order Date International Outside |
MS-2496 | Jan 07, 2025 | Feb 20, 2025 | Mar 13, 2025 | Feb 13, 2025 | Feb 06, 2025 |
MS-250* | Mar 04, 2025 | Apr 03, 2025 | Apr 24, 2025 | Mar 27, 2025 | Mar 20, 2025 |
MS-251 | Apr 01, 2025 | May 15, 2025 | Jun 05, 2025 | May 08, 2025 | May 01, 2025 |
MS-252* | Jun 03, 2025 | Jul 03, 2025 | Jul 24, 2025 | Jun 26, 2025 | Jun 19, 2025 |
MS-2537 | July 08, 2025 | Aug 21, 2025 | Sep 05, 2025 | Aug 14, 2025 | Aug 07, 2025 |
MS-254* | Sep 02, 2025 | Oct 02, 2025 | Oct 23, 2025 | Sep 25, 2025 | Sep 18, 2025 |
MS-255 | Oct 07, 2025 | Nov 20, 2025 | Dec 11, 2025 | Nov 13, 2025 | Nov 06, 2025 |
MS-256* | Nov 04, 2025 | Dec 04, 2025 | Dec 25, 2025 | Nov 27, 2025 | Nov 20, 2025 |
- * MIC-002, MIC-006, MIC-007, and MIC-009 and MIC-018 are not available during these studies.
- 6This study number complies with NJ DEP January drinking water PT study schedule. NJ DEP complaint analysis should occur between January 2nd and February 15th 2025. Final graded reports will be submitted to NJ DEP March 13, 2025.
- 7This study number complies with NJ DEP July drinking water PT study schedule. NJ DEP complaint analysis should occur between July 8th and August 21st 2025. Final graded reports will be submitted to NJ DEP on September 5th 2025.
Underground Storage Tank PT Studies
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available Maximum 30 days after study closure | Last Order Date USA | Last Order Date International Outside USA |
UST-123 | Feb 05, 2025 | Mar 21, 2025 | Apr 20, 2025 | Mar 14, 2025 | Mar 07, 2025 |
UST-124 | Mar 25, 2025 | May 08, 2025 | Jun 07, 2025 | May 01, 2025 | Apr 24, 2025 |
UST-125 | Aug 20, 2025 | Oct 03, 2025 | Nov 02, 2025 | Sep 26, 2025 | Sep 19, 2025 |
UST-126 | Oct 22, 2025 | Dec 05, 2025 | Jan 04, 2026 | Nov 28, 2025 | Nov 21, 2025 |
Soil/Hazardous Waste
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available Maximum 30 days after study closure | Last Order Date USA | Last Order Date International Outside USA |
SM-144 | Feb 05, 2025 | Mar 21, 2025 | Apr 11, 2025 | Mar 14, 2025 | Mar 07, 2025 |
SM-1458 | Mar 25, 2025 | May 08, 2025 | May 29, 2025 | May 01, 2025 | Apr 24, 2025 |
SM-146 | Aug 20, 2025 | Oct 03, 2025 | Oct 24, 2025 | Sept 26, 2025 | Sep 19, 2025 |
SM-147 | Oct 22, 2025 | Dec 05, 2025 | Dec 23, 2025 | Nov 28, 2025 | Nov 21, 2025 |
- 8This study number complies with NJ DEP April solid/chemical matrix PT study schedule. NJ DEP complaint analysis should occur between April 1st and May 8th 2025. Final graded reports will be submitted to NJ DEP on May 29th 2025.
Food Science PT Studies
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available Maximum 30 days after study closure | Last Order Date USA | Last Order Date International Outside USA |
FS-0225 | Feb 12, 2025 | Mar 28, 2025 | Apr 27, 2025 | Mar 21, 2025 | Mar 14, 2025 |
FS-0525 | May 06, 2025 | Jun 19, 2025 | Jul 19, 2025 | Jun 12, 2025 | Jun 05, 2025 |
FS-0825 | Aug 06, 2025 | Sep 19, 2025 | Oct 19, 2025 | Sep 12, 2025 | Sep 05, 2025 |
FS-1125 | Nov 05, 2025 | Dec 19, 2025 | Jan 18, 2026 | Dec 12, 2025 | Dec 05, 2025 |
Hemp Cannabis Science PT Studies
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available Maximum 30 days after study closure | Last Order Date USA | Last Order Date International Outside USA |
HEMP-0325 | Mar 26, 2025 | May 09, 2025 | Jun 08, 2025 | May 02, 2025 | Apr 25, 2025 |
HEMP-0925 | Sep 23, 2025 | Nov 06, 2025 | Dec 06, 2025 | Oct 30, 2025 | Oct 23, 2025 |
EMERALD Test PT Studies (Order via Emerald Scientific)
Study Number | Study Open Date Shipping Samples | Study Close Date Results due 24:00 EST (GMT-5) | Final Reports Available Maximum 30 days after study closure |
CM-0325 | Announced by Emerald Scientific | Announced by Emerald Scientific | Announced by Emerald Scientific |
CM-0925 | Announced by Emerald Scientific | Announced by Emerald Scientific | Announced by Emerald Scientific |