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13 Nov 2017, 23:00


13 Nov 2017, 23:00


Sittard, Netherlands

The new harmonized European standards for leaching of construction products (NPR CEN / TS 16637-1, -2 and -3) will come into force in 2018. Are you familiar with the content and terms of these standards whereby existing and new construction products will be tested? 

You probably have several questions about this subject. Therefore, we would like to inform you during our seminar. In this way, you can get started vigorously and you will be well prepared. 


09.30: Entry
10:00: Welcome by chairman Ron Leppers, director SGS INTRON B.V.
10:15: Leaching from construction products: backgrounds and a selection of tests for products. Ulbert Hofstra, SGS INTRON B.V.
10:45: New European leaching tests: The test methods, differences with existing tests and the usability of old data. André van Zomeren, Energy research Centre of the Netherlands (ECN)
11:15: National regulations: implementation in the Dutch Soil Quality Decree, future of Dutch accreditation program AP04, AVCP level in CE marking. Eric Ruwiel, Dutch Ministry of Infrastructure and the Environment (under reservation)
11:45: Panel discussion with speakers
12:15: Lunch
13:00: Progress of CEN/TC 351, when will it be ready? Jeroen Bartels, chairman of CEN/TC 351
13:30: Implementation in German regulations. Bernd Susset, Gutachterbüro Dr. Susset
14:15: Application of leaching test results in life-cycle analysis (LCA). Bob Roijen, SGS INTRON B.V.
14:45: Laboratory visit including a demonstration of the fully automatic 7-stage column test. Louis Grannetia and Arno Meijs, SGS INTRON B.V.
15:45: Closing drinks 

Practical Information

Date Tuesday, November 14, 2017
Location SGS INTRON, Dr. Nolenslaan 126, 6136 GV, SITTARD, The Netherlands
Time 10:00 am - 3:30 pm
Language English  

It is also possible to join the evening dinner which will take place at 5:00 pm. Please state your interest when you sign up. Costs are at your own expense. 

Overnight Accommodation

It is also possible to stay overnight in a nearby hotel. We recommend the following hotels:  

De Limbourg Sittard 
Located in the centre of Sittard, 3 km away from SGS INTRON

Amrâth Hotel 
Located between Sittard and Born, 5 km away from SGS INTRON

Sign Up

Do not miss this chance and sign up now (no charge). Send an e-mail to indicating your name, job title and company name is sufficient. If you have any questions about the event, please contact Suzanne Sideris on +31 (0)88 214 52 04 or send an e-mail to  


We have been providing sustainable practical solutions for building-related questions in material research, consulting and innovation for more than 45 years. We have extensive knowledge of building materials and construction processes and have extensive experience with the Construction Product Regulation and various leaching standards.