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 August 2026: [register here]

• ptAL05 Allergens V: Gluten (Wheat), Hazelnut and Walnut in Cocoa Biscuit (baked) with "Spiking Level Sample (shipment 12/08/2026, registration deadline 05/08/2026)

• ptGMF GMO-Determination in Feed (qualitative + quantitative): 2 Samples with positive and negative amounts of Soya + GMO-Soya (RR GTS 40-3-2, RR2 MON89788), Maize + GMO-Maize (MIR604) and Rape Seed + GMO-Rape Seed / Canola (GT73) (in mixed matrices: Flours / Granula / Extraction Grists / Pellets) (shipment 12/08/2026, registration deadline 05/08/2026)

• ptALS3 Allergen-Screening III - 4 Samples semi-quantitative: Buckwheat, Celery (Leaves / Stem, Root and Seed), Cereals containing Gluten (Wheat or Rye and Barley or Oat), Lupin, Peanut, Sesame (white and black) (shipment 26/08/2026, registration deadline 19/08/2026)

   

Our PTs in July 2026: [register here]

ptSU03 Food Supplement: B, Ca, Cr, Cu, Fe, K, Mg, Mn, Mo, P, Se, Zn and TiO2 in Capsule Powder (enriched / high levels) (shipment 01/07/2026, registration deadline 24/06/2026)* Cancelled

Our PTs in June 2026: [register here]

• ptALS2 Allergen-Screening II - 4 Samples semi-quantitative: Crustaceae, Egg, Fish, Milk, Molluscs, Mustard (yellow/white, brown and black), Soya (shipment 03/06/2026, registration deadline 27/05/2026)

• ptGMO1 GMO-Determination in Soya Flour (qualitative + quantitative): 2 Samples with positive and negative amounts of CTP2:CP4EPSPS, p35S, p-FMV,  t-NOS / Soya + GMO-Soya (SYHTOH2, MON87705 and DAS-44406-6) (shipment 10/06/2026, registration deadline 03/06/2026)

• ptASW2 Allergen Swab Test II: Crustaceae, Egg, Fish and Soya (shipment 17/06/2026, registration deadline 10/06/2026)

  ptAL11 Allergens XI: Buckwheat, Gluten (Emmer Wheat, Triticum dicoccon) and Soya in Oat Flour and Corn Flour [Samples A + B + C + D] (shipment 24/06/2026, registration deadline 17/06/2026)

* 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.