Our PTs in April & May 2026

• April

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

• ptALS1 Allergen-Screening I: 4 Samples semi-quantitative: Almond, Brazil Nuts, Cashew, Coconut, Hazelnut, Macadamia, Pecan, Pine Nuts, Pistachio, Walnut
  (gravimetric 2/3 and 1/6 values of new ”Action Levels” for all allergens included)
  (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]
  (registration deadline 15/04/2026*)

   

• May

• ptAL13 Allergens XIII: Gluten (Wheat), Insects and Soya in „gluten-free“ Protein Shake Powder [Samples A + B] with "Spiking Level Sample“ [SP]
  (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)
  (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)
   (registration deadline 13/05/2026*)  #

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

  * Shipment of the PT samples is usually one week after the respective registration deadline.

  # Accredited EP programs according to ISO/IEC 17043: 2023

• 

  Annex to Certificate of Accreditation

  We are looking forward to your registration!    
  Rounds already registered can be viewed on the participant's dashboard. 

   

You can download our annual PDF programme for 2026 here and send us your registration by email 
or register directly via our Shop button on top of this page and get a 5% discount per ≥ 10 registrations until the 31th of January 2026.

The registration process for our Proficiency Tests is now simplified and even more flexible: From now on, multiple PTs can be booked in a single order and optional choices such as for allergen screenings (participation with one method or participation with 2 to 3 methods) as well as the possibility of ordering duplicate sample material are taken into account. 
Using the quote function, you can first generate a quote and later add your PO number when placing the final order.

Even as a new customer or if you do not have a customer account so far, you can still visit our webshop. If you would like to place an order afterwards, you can create an account using the ‘Apply for an account’ button.

Accredited EP programme according to ISO/IEC 17043: 2023 (Annex to Certificate of Accreditation)

With myDLA, several helpful features are available to you - anytime and anywhere:

1.        Overview and information on the status of your already registered Proficiency Tests ("open rounds, closed rounds, and upcoming PTs")
2.        Convenient registration via the "Apply for rounds" button or the Shop Link (for the individual schemes e.g. Nutrients + Additives PTs (quantitative) 
          or Allergen PTs (qualitative / quantitative) you have the option to define a separate contact person each. As “lab manager” you can manage all PT-Schemes
3.        Transparent and flexible management of the delivery addresses and billing addresses recorded for your lab
4.        Saving of preliminary results and final results submission
5.        Viewing and downloading your evaluation reports
6.        Automated confirmations for all important functions (PT registration, result submission (incl. deadline reminder) and appearance of a new report).
7.        If you have laboratories at more than one location, the "Manager for multiple laboratories function" can be activated if required

If you have any questions and/or need help, please feel free to contact us at: contact@my.dla-pt.com