Manual: Laboratory analysis and pesticide residues in the control procedure for organic farming, Version 2022
(Manual-English)

Guideline Lach & Bruns: Value and evaluation of ring tests
(LuB guideline: Value and evaluation of ring tests (July 2019))

Presentation Dr. Guenter Lach (February 2019) related to "Herbicides" (Herbicides Feb. 2019).

Presentation of Dr. Silke Bruns (February 2019)  related to "Matrine"
(Matrine Feb. 2019).

Presentation held by Dr. Guenter Lach at Biofach 2018  related to "Undesirable substances" (Undesirable substances).

Presentation held by Dr. Silke Bruns at Biofach 2018  related to "Analytical performances of laboratories"
(Analytical performances of laboratories).

Presentation held by Dr. Guenter Lach and Dr. Silke Bruns at Biofach 2017  related to "Pesticides and contaminants in organic products
(BNN_L&B_BioFach_2017)

Presentation held by Dr. Guenter Lach at Biofach 2016  related to Blockbuster Herbicides (Blockbuster Herbicides).

Presentation held by Dr. Silke Bruns at Biofach 2016  related to "True and real contaminants" (True and real contaminants).

Presentation held by Dr. Guenter Lach at Biofach 2015 related to "New contaminants and limitations of analysis"
(New contaminants and limitations of analysis).

Presentation held by Dr. Silke Bruns at Biofach 2015  related to "New contaminants: What are we talking about / How to evaluate?" (BioFach 2015 - Pesticides 3.0 SBR).