PT Summary Reports

Below you will find PT Summary reports from January 2024 to present. Older reports are available on request.

These reports are to be used in conjunction with the confidential PDF report emailed to each participant. It identifies the scoring system used and the overall performance summary for all participants. Each report provides an overall summary of performance, by individual analyte, for all participants. These include:

  • Summary statistics;
  • z-score plots;
  • Kernel density plots;
  • Stability and homogeneity plots;
  • Box-and-whisker plots; and
  • Comparison plot of current PT round to historic rounds.

January 2025

March 2025

  • C01A Major Ions in Water
  • C01B Simple Nutrients in Water
  • C02A Metals in Water – Full Range
  • C02B Metals in Water – High Range
  • C02C Metals in Water – Total
  • C03 Complex Nutrients in Water
  • C04A Solids in Water
  • C04B BOD in Water
  • C04C Turbidity in Water
  • C04D COD in Water
  • C05A Microbiology in Water
  • C11 Toxicology – Rainbow Trout
  • C12 Toxicology – Daphnia
  • C13 Toxicology – Microtox
  • C14 Cyanide in Water
  • C15 pH in Water
  • C19 Mercury in Water
  • C32 Chlorine in Water
  • C33 Phenolics in Water
  • C37 Colour in Water
  • C42 Sulphide in Water
  • C70 Potency in Cannabis
  • C71 Pesticides in Cannabis
  • C72 Metals in Hemp
  • C73 Residual Solvents in Hemp Oil
  • C78 Moisture/Water Activity in Hemp

June 2025

  • C06A OC Pesticides in Water
  • C06B PCBs in Water
  • C07 PAHs in Water
  • C08 PCBs in Oil
  • C09 Metals on Filters
  • C16 Volatile Organic Compounds in Water
  • C17 Metals in Soil
  • C18 PAHs in Soil
  • C22 OP Pesticides in Water
  • C24 Aryloxy Acid Pesticides Water
  • C25 Chlorophenols in Water
  • C27 Glyphosate in Water
  • C29 Aldicarb in Water
  • C31A Petroleum Hydrocarbons in Soil
  • C31B Petroleum Hydrocarbons in Soil
  • C34 Oil and Grease in Water
  • C35 PCBs in Soil
  • C36 Volatile Organic Compounds in Water
  • C38 Volatile Organic Compounds by TCLP
  • C39 Inorganics by TCLP
  • C40A Petroleum Hydrocarbons in Water
  • C40B Petroleum Hydrocarbons in Water
  • C41 Hexavalent Chromium in Water
  • C43 Solids in Soil
  • C44 Nutrients in Soil
  • C45 Anions in Soil
  • C46 Acidity in Water
  • C47 Haloacetic Acids in Water
  • C74 Hexavalent Chromium in Soil
  • C75 Particle Size in Soil
  • C76 Oil and Grease in Soil
  • C77 Pesticides in Soil

October 2025

  • C01A Major Ions in Water
  • C01B Simple Nutrients in Water
  • C02A Metals in Water – Full Range
  • C02B Metals in Water – High Range
  • C03 Complex Nutrients in Water
  • C04A Solids in Water
  • C04B BOD in Water
  • C04C Turbidity in Water
  • C04D COD in Water
  • C05A Microbiology in Water
  • C11 Toxicology – Rainbow Trout
  • C12 Toxicology – Daphnia
  • C13 Toxicology – Microtox
  • C14 Cyanide in Water
  • C15 pH in Water
  • C19 Mercury in Water
  • C32 Chlorine in Water
  • C33 Phenolics in Water
  • C37 Colour in Water
  • C42 Sulphide in Water
  • C70 Potency in Cannabis
  • C71 Pesticides in Cannabis
  • C72 Metals in Hemp
  • C73 Residual Solvents in Hemp Oil
  • C78 Moisture/Water Activity in Hemp

January 2024

March 2024

June 2024

October 2024

Request more information

If you are interested in acquiring Proficiency Testing for your organization, send an email to nlewis@ptcanada.org