Proficiency Tests 2023


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Here you may register your participation in the following proficiency tests directly.
Please mark the respective proficiency tests in the related column for „subscription“!

Special Offer in 2023:
Get 5 % discount per ≥ 10 registrations until 15th of January 2023


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(single)

Art.-No.
(Lot-No.)

Proficiency Test

Shipping Samples

Prize



1. Allergens - Elicitors of Allergies and Intolerance Reactions




Allergen-PTs (qualitative / quantitative with z-scores and recovery rates) - Accredited Programs -

ptAL01 - 09: Two Samples (25g each) with Allergens in a Food Matrix, as pastry, chocolate ice cream or boiled sausage are provided for qualitative and quantitative determination. One of these samples contains the incurred allergen(s). The third "Spiking Level Sample" (15g) contains the same allergens in simple matrix without further processing with similar amounts. The evaluation of results will be qualitative and quantitative. For information DLA calculates a recovery rate and recovery
z-scores
for the "positive"-sample and the "Spiking Level Sample". Any suitable method can be applied for analysis.


ptAL01
(Lot
23CrMiSo)

Allergens I: Crustaceae, Milk (Casein) and Soy in Instant Soup Powder with "Spiking Level Sample“ (3 different Samples)

January

315 €

ptAL02
(Lot
23LuSeGl)

Allergens II: Lupine, Black Sesame and Wheat (Gluten) in "gluten-free" Rice Cracker (baked) with "Spiking Level Sample“ (3 different Samples)

February

315 €

ptAL03
(Lot
23MiGl)

Allergens III: β-Lactoglobulin, Casein and Gluten in Infant Food with "Spiking Level Sample“ (3 different Samples)

April

315 €

ptAL04
(Lot
23CeMuSe)

Allergens IV: Celery, Mustard and Sesame in Boiled Sausage with "Spiking Level Sample“ (3 different Samples)

March

315 €

ptAL05
(Lot
23CwHaEg)

Allergens V: Cashew, Hazelnut and Egg in Cocoa Biscuit (baked) with "Spiking Level Sample“ (3 different Samples)

September

315 €

ptAL06
(Lot
23PeMaWa)

Allergens VI: Peanut, Macadamia and Walnut in Ice cream (Chocolate) with "Spiking Level Sample“ (3 different Samples)

October

315 €

ptAL07
(Lot
23PiFiCe)

Allergens VII: Pistachio, Fish and Celery in Instant Soup Powder with "Spiking Level Sample“ (3 different Samples)

November

315 €

ptAL08
(Lot
23AlBrPeBu)

Allergens VIII: Almond, Brazil Nut, Pecan and Buckwheat in Cereal Muesli with "Spiking Level Sample“ (3 different Samples)

December

315 €

ptAL09
(Lot
23PeAlMo)

Allergens IX: Peanut, Almond and Molluscs in Barbecue Spice Mix (with onion, garlic and paprika powder) with "Spiking Level Sample“ (3 different Samples)

June

315 €

NEW

ptAL10
(Lot
23GlSo)

Allergens X: Gluten and Soya in Oat Drink and Rice Drink (4 different Samples)

November

315 €

ptAL11
(Lot
23GlMuSo)

Allergens XI: Gluten, Mustard and Soya in Oat Flour and Rice Flour
(4 different Samples)

July

315 €


Allergen-Screening (qualitative)

ptALS1-3: 4 Samples (20g each) with Allergens in a simple Carrier Matrix are provided. The evaluation of results is strictly qualitative with indication of the obtained agreements with the consensus values of the participants and the spiking of samples. For analysis ELISA (+ Lateral Flow), PCR and LC/MS can be applied.
Quantitative spiking levels are given in the reports.


ELISA
PCR
LC/MS

ptALS1
(Lot 23)

Allergen-Screening I - 4 Samples qualitative: Cashew, Hazelnut, Coconut, Macadamia, Almond, Brazil Nuts, Pecan, Pistachio, Walnut

March

380 €1
460 €
2

ELISA
PCR
LC/MS

ptALS2
(Lot 23)

Allergen-Screening II - 4 Samples qualitative: Crustaceae, Egg, Fish, Milk, Molluscs, Mustard (yellow/white, brown and black), Soybean

June

380 €1
460 €
2

ELISA
PCR
LC/MS

ptALS3
(Lot 23)

Allergen-Screening III - 4 Samples qualitative: Cereals containing Gluten (Barley or Oat, Wheat and Rye), Peanut, Lupine, Buckwheat, Celery (Leaves / Stem, Root and Seed), Sesame (white and black)

October

380 €1
460 €
2


prices 1) participation with one method, 2) participation with 2 or 3 methods



Allergen-Response of processed allergenic Ingredients

ptALR1-2: 5 Samples (20g each) of a differently processed Allergen are provided for qualitative and quantitative determination, a simple Carrier Matrix as well as a Blank Sample“ (Carrier Matrix). The individual processed ingredients of the samples are mixed gravimetrically by DLA each from 4 industrially manufactured products. The analytical methods are optional.


ptALR1
(Lot
23Cr)

Response PT Crustaceae: Processed samples of Crustaceae (raw), Crustaceae (cooked), Shrimp (fried), Shrimp Spread and Shrimp paste (fermented) in potato powder matrix (levels: 25 - 150 mg/kg)

shifted to October

400 €

ptALR2
(Lot
23Fi)

Response PT Fish: Processed samples Fish (raw), Fish (cooked), Fish Burger (fried), Surimi and Fish Sauce (fermented) in potato powder matrix (levels: 25 - 150 mg/kg)

November

400 €



More Allergen-Response Single-PT-Sets are available for method validation and verification! See also our SPT programme




Action Level Matrix- ALM Verification

ptALM1-2: A kind of Calibration Set of 5 Samples (20g each) of an Allergen in a Specific Matrix is provided for qualitative determination as well as a „Blank Sample“ (Matrix). The allergen levels of the calibration row range from 1/10 to at least twice the Action Level 1 (VITAL concept 3.0) and judgment value of the German Commission ALTS/ALS. Valuation of PT-results is qualitative in Scores of 1-5 (Score 3 = Action Level successfully identified). Quantitative results will be reported for information. The analytical methods are optional.


ptALM1
(Lot
23Cr)

ALM-Verification Crustaceae: 5 Samples containing King Prawns in Vegan Spread (levels: 10 / 100 / 250 / 375 / 500 mg/kg)

October

400 €

ptALM2
(Lot
23Fi)

ALM-Verification Fish: 5 Samples containing Cod Fish in Wasabi Peas Snack (powder) (levels: 1,3 / 6,5 / 13 / 35 / 70 mg/kg)

shifted to November

400 €



More Action Level Single-PT-Sets are available for method validation and verification! See also our SPT programme





Other Elicitors of Allergies and Intolerance Reactions



ptAI01
(Lot
23LaFr)

Lactose + Fructose in "lactose-free" Food (Baking Mix for Chocolate Cake) (2 different food matrix samples of 25g each, as well as a Spiking Level Sample (25g) with similar levels in simple matrix).

May

280 €


Allergen Swab Test (qualitative) - Wipe Test for Surfaces

ptASW1-3: There are 2 samples of a Test Surface with Allergens offered for the detection of each allergen by means of a wipe test (swab test). The allergens to be tested were attached to one test surface, while the other test surface is "negative". The evaluation is exclusively qualitative (positive/negative) with indication of the obtained agreement with the consensus values of the participants and the spiking of the surfaces. As an analytical test method, the Lateral-Flow-Test is particularly suitable. ELISA, PCR and LC/MS can also be used.


ptASW1
(Lot 23)

Allergen Swab Test I: Gluten, Peanut, Milk (incl. β-lactoglobulin, Casein) and Soya
(2 Test Surfaces per Allergen, qualitative)

April

360 €

ptASW2
(Lot 23)

Allergen Swab Test II: Crustaceae, Egg, Fish and Mustard
(2 Test Surfaces per Allergen, qualitative)

June

360 €

NEW

ptASW3
(Lot 23)

Allergen Swab Test III: Almond, Hazelnut, Molluscs and Sesame
(2 Test Surfaces per Allergen, qualitative)

July

360 €


Allergen Rinsing Water Test (qualitative + quantitative)

ptARW: 3 washing solutions with different allergen contents are offered.

ptARW1
(Lot 23)

Allergen Rinsing Water Test I: Egg, Gluten, Milk, Mustard and Peanut
(3 test solutions with decreasing concentrations, qualitative + quantitative)


March

360 €



2. Mycotoxins





All Mycotoxin-PTs (qualitative + quantitative) - Accredited Programs -

2 different samples with "positive" or "negative" contents
qualitative evaluation: agreement pos/neg. in relation to EU Maximum Levels (EU/VO 1881/2006)
quantitative evaluation by z-scores



(up to 3)1
(up to 5)2

ptMYS1
(Lot 23Multi)

Mycotoxin-Screening: Aflatoxins, Ochratoxin A, Deoxynivalenol, Zearalenone and Fumonisins in Breaktfast Cereals (Muesli with corn and/or other cereal products, almonds and dried fruits),
2 different samples each 200g

April

380 €1
480 €2



1) Determination of up to 3 Parameters, 2) Determination of up to 5 Parameters


ptMY10
(Lot 23Afl)

Aflatoxin in Nut Butter
2 different samples each 50g

June

290 €

ptMY80
(Lot 23Erg)

Ergot-Alkaloides in Cereals
2 different samples each 80g

December

290 €



3. Potentially toxic Compounds, Contaminants and Residues



ptTX01
(Lot 23Cum)

Coumarin in Cinnamon Powder
2 samples each 50g

November

275 €

ptRE01
(Lot 23ClEth)

Ethylene oxide/2-Chloroethanol in Sesame
2 samples each 30g

April

290 €

ptRE02
(Lot 23ClEth)

Ethylene oxide/2-Chloroethanol in Spice Mixture
2 samples each 30g

September

290 €

ptRE01
+

ptRE02

Order of both Ethylene Oxide/2-Chloroethanol Proficiency Tests
(with special discount)

April +
September

480 €



4. Genitically modified Organisms



ptGMS1
(Lot 23MaSo)

GMO-Screening I (qualitative): 5 Samples with positive/negative amounts of p-35S, t-NOS, p-FMV, CP4 EPSPS, PAT, Cry1Ab/Ac / GMO-Maize (Bt11, MIR604) and GMO-Soya (RR GTS 40-3-2, RR2 MON89788) (5 different samples 10g each)

May

330 €

ptGMS2
(Lot 23PoRaSu)

GMO-Screening II (qualitative): 5 Samples with positive/negative amounts of p-FMV, p-NOS, t-NOS, CP4 EPSPS, synPAT /GMO-Potato Amadea (AM04-1020), GMO-Rape Seed (MON88302) /Canola and GMO-Sugar Beet (H7-1) (5 different samples 10g each) (ATTENTION: changed parameters)

October

330 €

ptGMF
(Lot 23MaSoRa)

GMO-Determination in Feed (qualitative + quantitative):
GMO-Soya
(RR und RR2), GMO-Maize (2 Events), GMO-Rape Seed / Canola (1 Event) 2 different samples 10g each)

September

390 €



5. Nutrients, Additives and Authenticity



ptAU01
(Lot 23FiIn)

Dietary Fiber, soluble / insoluble Fiber and Inulin in Cereal Product
(2 different samples, 40g each with and without Inulin)

May

315 €

ptAU05
(Lot 23Stev)

Steviosides in Beverage Powder (2 samples 25g each)

June

250 €

ptAU09
(Lot 23Nic)

Nicotine in E-Cigarette-Liquid (2 samples 10g each)

shifted to November

220 €

NEW

ptAU11
(Lot 23Veg)

Vegan Compliance Check – 2 Samples qualitative:
Animal ingredients in Vegan Burger (fried)Negative sample and positive
sample with at least two animal components > 0.1% (e.g. egg, fish, meat/gelatine, milk components and/or honey)
(2 different samples of 50 g each)

shifted to September

350 €


Animal Species-Screening (qualitative)

ptAUS1-5: 4 Samples or 6 Samples (ptAUS4) with portions of Animal Origin (meat, milk, fish, crustacean or mollusc products) are provided. The evaluation of results is strictly qualitative with indication of the obtained agreements with the consensus values of the participants and the spiking of samples. The analytical methods are optional.


ptAUS1
(Lot 23Meat)

Animal Species-Screening I – 4 Samples qualitative: Beef, Poultry (Duck (genus: anas or cairina) and Chicken), Sheep and Goat in cooked Meat Product (Sausage Meat, 4 different samples 30g each)

March

360 €

ptAUS2
(Lot 23Meat)

Animal Species-Screening II – 4 Samples qualitative: Donkey, Horse, Game (Deer (Capreolus capreolus) or fallow deer (Dama dama), Pork and Poultry (Turkey) in cooked Meat Product
(Sausage Meat, 4
different samples 30g each)

October

360 €

ptAUS3
(Lot 23Milk)

Animal Species-Screening III – 4 Samples qualitative: Buffalo, Cow's, Sheep's and Goat's Milk in Dairy Product (Mozzarella Cheese)
(freeze-dried Mixtures, 4 different Samples 20g each)

June

380 €

ptAUS4
(Lot 23SF)

Seafood-Screening – 6 Samples qualitative: Bonito (Katsuwonus pelamis), Cod Fish (Gadus morhua), Rainbow Trout (Oncorhynchus mykiss), White Tiger Shrimp (Penaeus vannamei) and one of the Cephalopods: Octopus (Octopus vulgaris) or Jumbo Squid (Dosidicus gigas)
freeze-dried, 5 samples (10g each) with only one of the indicated species, 6th sample (10g) mixed sample of 2-4 species

November

410 €

ptAUS5
(Lot 23PF)

Petfood-Screening III – 4 Samples qualitative: Elk, Lamb, Ostrich, Rabbit and Beef in Dry Dog Food (4 different samples 30g each)

February

360 €



6. Food Supplements and Dietetic Products



ptSU01
(Lot 23WaVi)

Food Supplement I: Vitamins B1, B2, B6, B12, Biotin, Vitamin C, Folic Acid , Niacin and Pantothenic Acid (enriched / high levels, 2 samples 50g each)

March

370 €

ptSU03
(Lot 23Min)

Food Supplement II: B, Ca, Cr, Cu, Fe, K, Mg, Mn, Mo, P, Se, Zn (enriched / low levels, 2 samples 50g each)

May

370 €

ptSU07
(Lot 23FaVi)

Dietetic Food I: Vitamine A, E, D3, K1 and β-Carotene in Meal Replacement (enriched / low levels, 2 samples 50g each)

October

370 €

ptSU08
(Lot 23Elem)

Minerals,Trace Elements and Heavy Metals in Infant Food,
approx. 20 Elements incl. As, Cd, Hg and Pb (mostly "natural" / partly low levels, 2 samples 8g each)

September

370 €

ptSU10
(Lot 23FrAa)

Free Amino Acids and Taurine in Food (Infant Food)
(2 samples 10g each)

September

390 €



7. Cosmetic Products and Contact Materials



ptCO01
(Lot 23CofPre)

Cosmetic Products I: Coffein, Panthenol and Preservatives (Benzoic Acid, Methyl-, Propylparaben, Phenoxyethanol, Sorbic Acid) in Hair Shampoo (2 samples 50g each)

April

320 €

ptCO03
(Lot 23Vit)

Cosmetic Products III: Coenzym Q10, Panthenol, Retinol and Tocopherol in Skin Cream (2 samples 25g each)

November

280 €

ptCO06
(Lot 23UV)

Cosmetic Products II: UV-Filter in Sun Protection Product Spray (Liquid solution, 2 samples 25mL each)

canceled

280 €

ptCM05
(Lot 23Elem)

Children's Product I: Analysis of 8 Elements in Make-Up (As, Ba, Cd, Cr, Hg, Pb, Sb, Se) 2 samples 10g each

May

320 €

DLA-No.
Please indicate!

Double Sample Material
Order of the following PT-numbers:

with PT shipment

90 €

After the evaluation report is finished our PT materials are usually available as Reference Material!
More information on our website!

More parameter/matrices are available in Single-Proficiency Tests!
See also our SPT programme on our website


The minimum number of participants is 10.
All prizes plus tax and plus shipping costs. Our general terms and conditions apply, see at www.dla-lvu.de

Shipment currently: € 12,50 in Germany, € 20,00 into EU-Countries and Europe,30 - 65 North Amerika, € 80,00 other countries (for example in South America and Asia), all prices are provisional and  subject to change



Special Offer in 2023:
Get 5 % discount per ≥ 10 registrations until 15th of January 2023



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DLA - Proficiency Tests GmbH
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Tel. +49-(0)4532-9183358 - Mob. +49-(0)171-1954375 - Fax. +49-(0)4102-9944976 - email: pt@dla-lvu.de
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