DLA - Proficiency Testing
Food, Cosmetic Products and Contact Materials since 2004

# # # The special ALLERGEN PT concept # # #
With incurred and spiked allergen recovery rates and z-scores.
For maximum information on the performance of your allergen analysis!

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Current information and Notes:


Overview of our products:

Proficiency Testing Programs (PT) [more]

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Monthly up-to-date Shipment Information

Our PTs in April 2026: [register here]

  • ptAL04 Allergens IV: Celery, Mustard, Pine Nut and Sesame in Boiled Sausage [Samples A + B] with "Spiking Level Sample“ [SP] (shipment 08/04/2026, registration deadline 01/04/2026)

  • ptGMS1 GMO-Screening I (qualitative): 4 Samples with positive and negative amounts of p-35S, t-NOS, p-FMV, PAT, BAR, Cry1Ab/Ac / Maize + GMO-Maize (Bt11 and Bt176) and Soya + GMO-Soya (RR GTS 40-3-2, RR2 MON89788) in different matrices (Flour and Semolina mixtures) (shipment 15/04/2026, registration deadline 08/04/2026)

  • ptALS1Allergen-Screening I: 4 Samples semi-quantitative: Almond, Brazil Nuts, Cashew, Coconut, Hazelnut, Macadamia, Pecan, Pine Nuts, Pistachio, Walnut (shipment 22/04/2026, registration deadline 15/04/2026)

  • ptAI01 Lactose + Fructose in "lactose-free" (< 100 mg/100g) and „lactose-reduced“ (> 100mg/100g and ≤ 1000mg/100g) Cookies for Children [Samples A + B] and "Spiking Level Sample“ [SP] (shipment 22/04/2026, registration deadline 15/04/2026)



Our PTs in March 2026: [register here]

  • ptAL10 Allergens X: Gluten (Barley Malt, Hordeum vulgare) in „gluten-free“ Beer [Samples A + B] (shipment 04/03/2026, registration deadline 25/02/2026)

  • ptAL03 Allergens III: Gluten (Spelt Wheat, Triticum spelta) and Milk (β-Lactoglobulin, Casein) in Infant Food (Soy Formula) [Samples A + B] with "Spiking Level Sample“ [SP] (shipment 11/03/2026, registration deadline 04/03/2026)

  • ptSU02 Food Supplement: Vitamine A, E, D2, K1, β-Carotene, Coenzyme Q10  (total CoQ10, Ubiquinone, Ubiquinol) and Alpha Lipoic Acid in Capsule Powder (enriched / high levels) (shipment 18/03/2026, registration deadline 11/03/2026)

  • ptAUS1 Animal Species-Screening I 3 Samples qualitative (with known contents): Meat from Beef, Goat, Poultry (Chicken and Duck (genus: anas or cairina)), Sheep and Gelatine from Pork in Cooked Meat Product (Sausage Meat)
    (shipment 25/03/2026, registration deadline 18/03/2026)



Our PTs in February 2026: [register here]

  • ptASW1 Allergen Swab Test I: Gluten (Wheat), Milk (β-Lactoglobulin, Casein), Peanut and Walnut (shipment 04/02/2026, registration deadline 28/01/2026)

  • ptAL02 Allergens II: Gluten (Rye, Secale cereale), Lupin and Sesame in „gluten-free“ Tortilla Chips (baked) [Samples A + B] with "Spiking Level Sample“ [SP] (shipment 11/02/2026, registration deadline 04/02/2026)

  • ptARW1 Allergen Rinsing Water Test I: Egg, Gluten (Wheat), Milk (Casein), Mustard and Peanut (shipment 18/02/2026, registration deadline 11/02/2026)

  • ptSU01 Food Supplement: Vitamins B1, B2, B6, B12, Biotin, Vitamin C, Folic Acid , Niacin and Pantothenic Acid in Capsule Powder (enriched / high levels) (shipment 25/02/2026, registration deadline 18/02/2026)


* The minimum number of participants has not yet been reached. PTs <10 registered participants will be canceled or shifted, the participants will be informed at time of deadline.





DLA - Proficiency Tests GmbH
Hauptstr. 80, 23845 Oering, Germany
Tel. +49-(0)4532-9183358 - Mob. +49-(0)171-1954375 - Fax. +49-(0)4102-9944976 - email: pt@dla-lvu.de
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