Sterling, United StatesInternational participants
Schemes: Forensic Biology / DNADrug AnalysisToxicology
- Food & feed
- Materials & construction
- Forensic & toxicology
- Other
18 schemes
Accreditation self-declared (ANAB)Accreditation self-declared (A2LA)
Standards organisation in West Conshohocken, Pennsylvania, whose proficiency testing programme runs more than 60 schemes built around ASTM test methods for petroleum products and fuels, metals, plastics, textiles and other industrial materials.
#2 Diesel Fuel
Motor Gasoline
Aviation (Turbine) Jet Fuel
Crude Oil
Engine Oil Lubricants
In-Service Oil Monitoring
Natural Gas
Dissolved Gas Analysis
Insulating Fluid Quality
Chemical Analysis of Aluminum
Chemical Analysis of Plain Carbon and Low-Alloy Steel
Chemical Analysis of Stainless Steel
Determination of Gold in Bullion by Cupellation
Mechanical Testing of Metals
Additive Manufacturing and Powder Metallurgy
Knit Fabrics
Woven Fabrics
Yarn and Thread Performance
Elemental Analyses of Thermoplastics
Flammability Plastics Testing
Polyethylene Plastics Testing
Thermal Analyses of Plastics
Distillers Dried Grain with Solubles
Diesel Exhaust Fluid
Transportable Moisture Limit of Coal
| Scheme | Testing fields | Sample type | Analytes | Rounds/yr | Link |
|---|---|---|---|---|---|
| #2 Diesel Fuel |
| — | — | 3 | Scheme page for #2 Diesel Fuel (opens in a new tab) |
| Motor Gasoline |
| — | Benzene/toluene/aromatics, copper corrosion, density, distillation, gum, hydrocarbon type, lead, mercaptan sulfur, olefins, oxidation stability, oxygenates, phosphorus, sulfur, vapour/liquid ratio, vapour pressure | 3 | Scheme page for Motor Gasoline (opens in a new tab) |
| Aviation (Turbine) Jet Fuel |
| — | — | 3 | Scheme page for Aviation (Turbine) Jet Fuel (opens in a new tab) |
| Crude Oil |
| — | — | 3 | Scheme page for Crude Oil (opens in a new tab) |
| Engine Oil Lubricants |
| — | — | 3 | Scheme page for Engine Oil Lubricants (opens in a new tab) |
| In-Service Oil Monitoring |
| In-service diesel engine lubricating oil | — | 3 | Scheme page for In-Service Oil Monitoring (opens in a new tab) |
| Natural Gas |
| — | — | 2 | Scheme page for Natural Gas (opens in a new tab) |
| Dissolved Gas Analysis |
| — | — | 2 | Scheme page for Dissolved Gas Analysis (opens in a new tab) |
| Insulating Fluid Quality |
| — | — | 2 | Scheme page for Insulating Fluid Quality (opens in a new tab) |
| Chemical Analysis of Aluminum |
| — | — | 2 | Scheme page for Chemical Analysis of Aluminum (opens in a new tab) |
| Chemical Analysis of Plain Carbon and Low-Alloy Steel |
| — | — | 4 | Scheme page for Chemical Analysis of Plain Carbon and Low-Alloy Steel (opens in a new tab) |
| Chemical Analysis of Stainless Steel |
| — | — | 2 | Scheme page for Chemical Analysis of Stainless Steel (opens in a new tab) |
| Determination of Gold in Bullion by Cupellation |
| — | — | 2 | Scheme page for Determination of Gold in Bullion by Cupellation (opens in a new tab) |
| Mechanical Testing of Metals |
| — | — | 2 | Scheme page for Mechanical Testing of Metals (opens in a new tab) |
| Additive Manufacturing and Powder Metallurgy |
| Metal powder | Apparent density, flow rate, particle size and other powder properties | 2 | Scheme page for Additive Manufacturing and Powder Metallurgy (opens in a new tab) |
| Knit Fabrics |
| — | — | 2 | Scheme page for Knit Fabrics (opens in a new tab) |
| Woven Fabrics |
| — | — | 2 | Scheme page for Woven Fabrics (opens in a new tab) |
| Yarn and Thread Performance |
| — | — | 2 | Scheme page for Yarn and Thread Performance (opens in a new tab) |
| Elemental Analyses of Thermoplastics |
| — | — | 2 | Scheme page for Elemental Analyses of Thermoplastics (opens in a new tab) |
| Flammability Plastics Testing |
| Test specimens from engineering resins | — | 2 | Scheme page for Flammability Plastics Testing (opens in a new tab) |
| Polyethylene Plastics Testing |
| — | — | 2 | Scheme page for Polyethylene Plastics Testing (opens in a new tab) |
| Thermal Analyses of Plastics |
| — | — | 2 | Scheme page for Thermal Analyses of Plastics (opens in a new tab) |
| Distillers Dried Grain with Solubles |
| — | — | 3 | Scheme page for Distillers Dried Grain with Solubles (opens in a new tab) |
| Diesel Exhaust Fluid |
| — | — | 2 | Scheme page for Diesel Exhaust Fluid (opens in a new tab) |
| Transportable Moisture Limit of Coal |
| — | — | 2 | Scheme page for Transportable Moisture Limit of Coal (opens in a new tab) |
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Compiled from ASTM International Proficiency Testing Program (PTP)'s own published information or sent in by the provider, and reviewed by EqasOnline. Check scheme details, fees and dates with the provider before you enrol. 25 schemes listed here.
Last updated 1 Nov 2026.
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