Houston, United StatesInternational participants
Schemes: Chemistry ModuleComprehensive Metabolic PanelEndocrinology 1
- Clinical chemistry
- Haematology & coagulation
- Immunology & serology
- Microbiology
- +4 more
20 schemes
AOAC INTERNATIONAL Proficiency Testing Program
Rockville, Maryland, United StatesAccepts international participants
Accreditation self-declared (A2LA)
Proficiency testing programme of AOAC INTERNATIONAL, a standards organisation in Rockville, Maryland, covering food microbiology, environmental swabs, food chemistry, pesticide residues, infant formula nutrients and hemp/cannabis testing.
Testing fields
- Microbiology
- Food & feed
- Other
Schemes (20)
Standard Microbiology
M01
- Microbiology
- Food & feed
- Sample type
- Mashed potatoes
- Analytes
- Salmonella, Listeria, E. coli O157:H7, Shiga toxins (qualitative); aerobic plate count, coliforms, E. coli, coagulase-positive Staphylococcus, yeast and mould, B. cereus, Enterobacteriaceae, Enterococcus (quantitative)
Pathogen-Free Microbiology
M02
- Microbiology
- Food & feed
- Sample type
- Mashed potatoes
- Analytes
- Aerobic plate count, coliforms, generic E. coli, Enterobacteriaceae, yeast and mould, lactic acid bacteria
Meat Microbiology 1
M03
- Microbiology
- Food & feed
- Sample type
- Ground meat
- Analytes
- Salmonella species
Meat Microbiology 2
M04
- Microbiology
- Food & feed
- Sample type
- Ground meat
- Analytes
- E. coli O157:H7
Meat Microbiology 3
M05
- Microbiology
- Food & feed
- Sample type
- Processed meat
- Analytes
- Listeria monocytogenes
Standard Microbiology without E. coli O157:H7
M08
- Microbiology
- Food & feed
- Sample type
- Mashed potatoes
Standard Microbiology without E. coli O157:H7 and Listeria
M09
- Microbiology
- Food & feed
- Sample type
- Mashed potatoes
Combination Pathogen Program in Meat Matrix
M10
- Microbiology
- Food & feed
- Sample type
- Ground and processed meat
- Analytes
- Salmonella, E. coli O157:H7, L. monocytogenes
Combination Pathogen Program without E. coli O157:H7
M12
- Microbiology
- Food & feed
- Sample type
- Ground and processed meat
- Analytes
- Salmonella, L. monocytogenes
Listeria Environmental Swab
LS01
- Microbiology
- Food & feed
- Sample type
- Swabs
- Analytes
- Listeria presence/absence and species identification
Salmonella Environmental Swab
SS01
- Microbiology
- Food & feed
- Sample type
- Swabs
- Analytes
- Salmonella presence/absence, O and H antigens, species identification
Salmonella in Liquid Egg
E01
- Microbiology
- Food & feed
- Sample type
- Liquid egg product
- Analytes
- Salmonella presence/absence, O and H antigens
Meat Chemistry
C01
- Food & feed
- Sample type
- Meat
- Analytes
- Protein, moisture, fat, salt, ash, carbohydrate, cholesterol, minerals, calories, pH, fatty acid fractions
Cheese Chemistry
C02
- Food & feed
- Sample type
- Processed cheese
- Analytes
- Protein, moisture, fat, salt, ash, carbohydrate, cholesterol, minerals, calories, pH, water activity, fatty acid fractions
Pesticide Residues in Fruits and Vegetables
P01
- Food & feed
- Sample type
- Fruit and vegetable matrix
- Analytes
- Up to 56 possible pesticide residues (organophosphates, organochlorines, N-methyl carbamates)
- Rounds/year
- 3
Vitamins and Nutrients in Infant Formula and Adult Nutritionals
IF01
- Food & feed
- Sample type
- Infant formula or adult nutritionals
- Analytes
- Water- and fat-soluble vitamins, fatty acids, iodine, myo-inositol, nucleotides, ultratrace minerals
Hemp (Full Panel) Concentration/Potency and Chemical Contaminants
CH01
- Other
- Sample type
- Hemp dried flower/biomass
- Analytes
- Cannabinoids, terpenes, moisture, water activity, heavy metals, mycotoxins, pesticide residues
Cannabis (Full Panel) Concentration/Potency and Chemical Contaminants
CH04
- Other
- Sample type
- Cannabis (>0.3% THC) dried flower/biomass
- Analytes
- Cannabinoids, terpenes, moisture, water activity, heavy metals, mycotoxins, pesticide residues
Hemp Oil (Full Panel) Concentration/Potency and Chemical Contaminants
CHD01
- Other
- Sample type
- Hemp oil
- Analytes
- Cannabinoids, terpenes, water activity, pesticide residues, mycotoxins, heavy metals, residual solvents
Cannabis Oil (Full Panel) Concentration/Potency and Chemical Contaminants
CHD04
- Other
- Sample type
- Cannabis and hemp oil
- Analytes
- Cannabinoids, terpenes, water activity, pesticide residues, mycotoxins, heavy metals, residual solvents
| Scheme | Testing fields | Sample type | Analytes | Rounds/yr | Link |
|---|---|---|---|---|---|
| Standard MicrobiologyM01 |
| Mashed potatoes | Salmonella, Listeria, E. coli O157:H7, Shiga toxins (qualitative); aerobic plate count, coliforms, E. coli, coagulase-positive Staphylococcus, yeast and mould, B. cereus, Enterobacteriaceae, Enterococcus (quantitative) | — | Scheme page for Standard Microbiology (opens in a new tab) |
| Pathogen-Free MicrobiologyM02 |
| Mashed potatoes | Aerobic plate count, coliforms, generic E. coli, Enterobacteriaceae, yeast and mould, lactic acid bacteria | — | Scheme page for Pathogen-Free Microbiology (opens in a new tab) |
| Meat Microbiology 1M03 |
| Ground meat | Salmonella species | — | Scheme page for Meat Microbiology 1 (opens in a new tab) |
| Meat Microbiology 2M04 |
| Ground meat | E. coli O157:H7 | — | Scheme page for Meat Microbiology 2 (opens in a new tab) |
| Meat Microbiology 3M05 |
| Processed meat | Listeria monocytogenes | — | Scheme page for Meat Microbiology 3 (opens in a new tab) |
| Standard Microbiology without E. coli O157:H7M08 |
| Mashed potatoes | — | — | Scheme page for Standard Microbiology without E. coli O157:H7 (opens in a new tab) |
| Standard Microbiology without E. coli O157:H7 and ListeriaM09 |
| Mashed potatoes | — | — | Scheme page for Standard Microbiology without E. coli O157:H7 and Listeria (opens in a new tab) |
| Combination Pathogen Program in Meat MatrixM10 |
| Ground and processed meat | Salmonella, E. coli O157:H7, L. monocytogenes | — | Scheme page for Combination Pathogen Program in Meat Matrix (opens in a new tab) |
| Combination Pathogen Program without E. coli O157:H7M12 |
| Ground and processed meat | Salmonella, L. monocytogenes | — | Scheme page for Combination Pathogen Program without E. coli O157:H7 (opens in a new tab) |
| Listeria Environmental SwabLS01 |
| Swabs | Listeria presence/absence and species identification | — | Scheme page for Listeria Environmental Swab (opens in a new tab) |
| Salmonella Environmental SwabSS01 |
| Swabs | Salmonella presence/absence, O and H antigens, species identification | — | Scheme page for Salmonella Environmental Swab (opens in a new tab) |
| Salmonella in Liquid EggE01 |
| Liquid egg product | Salmonella presence/absence, O and H antigens | — | Scheme page for Salmonella in Liquid Egg (opens in a new tab) |
| Meat ChemistryC01 |
| Meat | Protein, moisture, fat, salt, ash, carbohydrate, cholesterol, minerals, calories, pH, fatty acid fractions | — | Scheme page for Meat Chemistry (opens in a new tab) |
| Cheese ChemistryC02 |
| Processed cheese | Protein, moisture, fat, salt, ash, carbohydrate, cholesterol, minerals, calories, pH, water activity, fatty acid fractions | — | Scheme page for Cheese Chemistry (opens in a new tab) |
| Pesticide Residues in Fruits and VegetablesP01 |
| Fruit and vegetable matrix | Up to 56 possible pesticide residues (organophosphates, organochlorines, N-methyl carbamates) | 3 | Scheme page for Pesticide Residues in Fruits and Vegetables (opens in a new tab) |
| Vitamins and Nutrients in Infant Formula and Adult NutritionalsIF01 |
| Infant formula or adult nutritionals | Water- and fat-soluble vitamins, fatty acids, iodine, myo-inositol, nucleotides, ultratrace minerals | — | Scheme page for Vitamins and Nutrients in Infant Formula and Adult Nutritionals (opens in a new tab) |
| Hemp (Full Panel) Concentration/Potency and Chemical ContaminantsCH01 |
| Hemp dried flower/biomass | Cannabinoids, terpenes, moisture, water activity, heavy metals, mycotoxins, pesticide residues | — | Scheme page for Hemp (Full Panel) Concentration/Potency and Chemical Contaminants (opens in a new tab) |
| Cannabis (Full Panel) Concentration/Potency and Chemical ContaminantsCH04 |
| Cannabis (>0.3% THC) dried flower/biomass | Cannabinoids, terpenes, moisture, water activity, heavy metals, mycotoxins, pesticide residues | — | Scheme page for Cannabis (Full Panel) Concentration/Potency and Chemical Contaminants (opens in a new tab) |
| Hemp Oil (Full Panel) Concentration/Potency and Chemical ContaminantsCHD01 |
| Hemp oil | Cannabinoids, terpenes, water activity, pesticide residues, mycotoxins, heavy metals, residual solvents | — | Scheme page for Hemp Oil (Full Panel) Concentration/Potency and Chemical Contaminants (opens in a new tab) |
| Cannabis Oil (Full Panel) Concentration/Potency and Chemical ContaminantsCHD04 |
| Cannabis and hemp oil | Cannabinoids, terpenes, water activity, pesticide residues, mycotoxins, heavy metals, residual solvents | — | Scheme page for Cannabis Oil (Full Panel) Concentration/Potency and Chemical Contaminants (opens in a new tab) |
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Accreditation
- Status
- Accreditation self-declared
- Accreditation body
- A2LA
- Certificate number
- 1782.01
Self-declared: stated by the provider and not yet verified by EqasOnline.
About this listing
Compiled from AOAC INTERNATIONAL Proficiency Testing Program'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. 20 schemes listed here.
Last updated 1 Nov 2026.
Is this your organisation, or is something out of date? Update this listing.
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