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:

• The new PT program 2026 is available now!

Overview of our products:

Proficiency Testing Programs (PT) [more]

Single Proficiency Tests (SPT) [more]

Reference Material [more]

Accreditation [more]

Customer Feedback [PDF form]

Monthly up-to-date Shipment Information

Our PTs in January 2026: [register in webshop]

• ptAL01 Allergens I: Crustaceae, Egg and Egg-Lysozyme (as Preservative) and Pistachio in Spicy Cheddar-Cheese-Powder [Samples A + B] with "Spiking Level Sample“ [SP] (shipment 21/01/2026, registration deadline 16/01/2026)

Our PTs in December 2025: [register here]

• ptAL08 Allergens VIII: Almond, Buckwheat, Brazil Nuts and Cashew in Veggie Burger Powder [Samples A + B] and "Spiking Level Sample“ [SP] (shipment 03/12/2025, registration deadline 26/11/2025)

• ptAUS4 Seafood-Screening – 6 Samples qualitative (with known contents): Longfin Tun / “Albacore“ (Thunnus alalunga), Cod Fish (Gadus morhua), Scampi / “Norway Lobster” (Nephrops norvegicus), Argentine Red Shrimp / “Camarones” (Pleoticus muelleri) and one of the fish “Snapper“: Malabar Blood Snapper (Lutjanus malabaricus) or Northern Red Snapper (Lutjanus campechanus) (shipment 03/12/2025, registration deadline 26/11/2025)

* 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.