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 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)*

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 03/063/2026)

• 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)

Our PTs in May 2026: [register here]

• ptAL13 Allergens XIII: Gluten (Wheat), Insects and Soya in „gluten-free“ Protein Shake Powder [Samples A + B] with "Spiking Level Sample“ [SP] (shipment 06/05/2026, registration deadline 29/04/2026)

• ptAUS3 Animal Species-Screening III – 3 Samples qualitative (with known contents): Buffalo, Cow's, Sheep's and Goat's Milk in Dairy Product (Herder Cheese / Sheep White Cheese / Feta Cheese) (shipment 13/05/2026, registration deadline 06/05/2026)

• ptMYS1 Mycotoxin-Screening: Aflatoxins, Ochratoxin A, Deoxynivalenol, Zearalenone and Fumonisins in Breakfast Cereals (Muesli with corn and/or other cereal products, almonds and dried fruits (shipment 20/05/2026, registration deadline 13/05/2026)

  ptAU06 Methylcafestol, Kahweol and Cafestol in 3 Coffee Blends with different ratios of Arabica and Robusta Coffee (shipment 27/05/2026, registration deadline 20/05/2026)

* 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.