Schedules

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

Schedule - Environmental

Non-Potable Water (NPW) Proficiency Test Studies

*Denotes Full Organic & Inorganic Studies. The others are Inorganic Only PT Studies.

2024 NPW
Study Number Study Opens Study Closes
WP-297* Jan. 16, 2024 Feb. 29, 2024
WP-298 March 11, 2024 April 24, 2024
WP-299* April 16, 2024 May 30, 2024
WP-300 May 7, 2024 June 20, 2024
WP-301* July 16, 2024 Aug. 29, 2024
WP-302 Aug. 6, 2024 Sept. 19, 2024
WP-303* Oct. 8, 2024 Nov. 21, 2024
WP-304 Nov. 5, 2024 Dec. 19, 2024

National Pollutant Discharge Elimination System (NPDES) annual Discharge Monitoring Report-Quality Assurance (DMR-QA) Proficiency Test Study

2024 DMRQA Study
Study Number Study Opens Study Closes
DMRQA-44 TBA TBA

Drinking Water Proficiency Test Studies – WS

2024 WS
Study Number Study Opens Study Closes
WS-137 Jan. 8, 2024 Feb. 21, 2024
WS-138 April 3, 2024 May 17, 2024
WS-139 July 2, 2024 Aug. 15, 2024
WS-140 Oct. 15, 2024 Nov. 28, 2024

Soil Proficiency Test Studies – SM

2024 SM
Study Number Study Opens Study Closes
SM-140 Feb. 6, 2024 March 21, 2024
SM-141 March 26, 2024 May 9, 2024
SM-142 Aug. 20, 2024 Oct. 3, 2024
SM-143 Oct. 21, 2024 Dec. 4, 2024

Drinking Water Microbiological Proficiency Test Studies – MS

2024 MS
Study Number Study Opens Study Closes
MS-241 Jan. 3, 2024 Feb. 16, 2024
MS-242* March 4, 2024 April 3, 2024
MS-243 April 2, 2024 May 16, 2024
MS-244* June 5, 2024 July 5, 2024
MS-245 July 8, 2024 Aug. 21, 2024
MS-246* Sept. 4, 2024 Oct. 2, 2024
MS-247 Oct. 1, 2024 Nov. 14, 2024
MS-248* Nov. 13, 2024 Dec. 11, 2024
*MIC-002, MIC-006, MIC-007 & MIC-009 are not available in these studies.

Non-Potable Water (NPW) Microbiological Proficiency Test Studies

2024 NPW Micro
Study Number Study Opens Study Closes
MP-201 Jan. 8, 2024 Feb. 21, 2024
MP-202 March 5, 2024 April 18, 2024
MP-203 April 8, 2024 May 22, 2024
MP-204 July 10, 2024 Aug. 23, 2024
MP-205 Sept. 2, 2024 Oct. 16, 2024
MP-206 Oct. 22, 2024 Dec. 5, 2024

Underground Storage Tank (UST) Proficiency Test Studies

2024 UST
Study Number Study Opens Study Closes
UST-115 Feb. 6, 2024 March 21, 2024
UST-116 March 26, 2024 May 9, 2024
UST-117 Aug. 20, 2024 Oct. 3, 2024
UST-118 Oct. 21, 2024 Dec. 4, 2024

Schedule - Food & Agriculture

Food Sciences Proficiency Test Studies – FS

This includes chemistry and microbiology schemes.

2024 Food Science
Study Number Study Opens Study Closes
FS-0224 Feb. 13, 2024 March 28, 2024
FS-0524 May 7, 2024 June 20, 2024
FS-0824 Aug. 6, 2024 Sept. 19, 2024
FS-1124 Nov. 4, 2024 Dec. 18, 2024

Hemp Proficiency Test Studies

This includes chemistry and microbiology schemes.

2024 Hemp
Study Number Study Opens Study Closes
HEMP-0324 March 26, 2024 May 9, 2024
HEMP-0924 Sept. 24, 2024 Nov. 8, 2024