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 September 2026: [register here]

• ptAL06 Allergens VI: Almond, Milk and Peanut in Vegan Cocoa Spread [Samples A + B] with "Spiking Level Sample“ [SP] (shipment 09/09/2026, registration deadline 02/09/2026)

• ptASW3 Allergen Swab Test III: Almond, Celery, Hazelnut and Sesame (shipment 16/09/2026, registration deadline 09/09/2026)

• ptGMS2 GMO-Screening II (qualitative): 4 Samples with positive and negative amounts of AgroBorder I and II, CTP2:CP4 EPSPS, nptII, PAT / p-CsVMV-pat / synPAT / Potato + GMO-Potato Amflora (EH92-527-1), Rape Seed + GMO-Rape Seed / Canola (MON88302), Sugar Beet + GMO-Sugar Beet (H7-1) and Cotton + GMO-Cotton (DAS-81910-7) in different matrices (Flour and Semolina mixtures) (shipment 16/09/2026, registration deadline 09/09/2026)*

• ptAL12 Allergens XII: Gluten (Wheat), Milk and Soya in Oat Drink and Rice Drink (shipment 23/09/2026, registration deadline 16/09/2026)

• ptSU08 Minerals, Trace Elements and Heavy Metals in Fish Powder, approx. 20 Elements incl. As, Cd, Hg, Pb and U (Uranium) (mostly "natural" / partly low levels) (shipment 23/09/2026, registration deadline 16/09/2026)

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

* 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.