ASTM International Proficiency Testing Program (PTP)

West Conshohocken, Pennsylvania, United StatesAccepts international participants

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.

Testing fields

  • Food & feed
  • Petroleum, fuels & lubricants
  • Materials & construction
  • Textiles & consumer products
  • Other

Schemes (25)

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Accreditation

Status
Accreditation self-declared
Accreditation body
A2LA
Certificate number
4209.01

Self-declared: stated by the provider and not yet verified by EqasOnline.

About this listing

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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Other providers listing schemes in the same testing fields, those in United States first.

  • Sterling, United StatesInternational participants

    Schemes: Forensic Biology / DNADrug AnalysisToxicology

    • Food & feed
    • Materials & construction
    • Forensic & toxicology
    • Other

    18 schemes

    Accreditation self-declared (ANAB)
  • Durham, United States

    Schemes: WS Water Supply (SDWA) PT (Drinking water)WP Water Pollution (CWA) PT (Wastewater)Soil (RCRA) PT (Soil)

    • Water
    • Environment, soil & air
    • Petroleum, fuels & lubricants
    • Other

    6 schemes

    Accreditation self-declared
  • Rockville, Maryland, United StatesInternational participants

    Schemes: Standard Microbiology (Mashed potatoes)Pathogen-Free Microbiology (Mashed potatoes)Meat Microbiology 1 (Ground meat)

    • Microbiology
    • Food & feed
    • Other

    20 schemes

    Accreditation self-declared (A2LA)
  • Champaign, United StatesInternational participants

    Schemes: Animal Feed Scheme (Feeds and supplements)Pet Food Ingredient Scheme (Pet food ingredients of animal or plant origin; dry pet food)Mycotoxin Contaminants Scheme (Animal feed or pet food with naturally incurred mycotoxins)

    • Food & feed

    4 schemes

    Accreditation self-declared (ANAB)
  • Frederick, United States

    Schemes: Soil Classification and Compaction (Soil)Soil Corrosivity and Chemistry (Soil)Soil California Bearing Ratio (Soil)

    • Materials & construction

    13 schemes

    Accreditation self-declared (A2LA)
    ASTM International Proficiency Testing Program (PTP): PT/EQA schemes in West Conshohocken, Pennsylvania, United States | EqasOnline