Lab & Consulting Services


Biodegradability and compostability testing


As an independent contract-research laboratory, OWS has built up a world-wide reputation in the field of biodegradability and compostability testing. In this context, the general operation and activity of compost analyses is certified and accredited to ISO 17025, while the other specific laboratory activities are following ISO 17025 rules as much as possible, this in combination with the rules of Good Laboratory Practices (GLP).

OWS is the only laboratory worldwide which is recognized by all certification bodies active in the field of biodegradability and compostability (click the logos below for more info):

                   logo Vinçotte   DIN-Certco

BPI World           JBPA             ABA


Inspection services


Besides biodegradability and compostability testing, OWS is also accredited for inspection services in line with ISO 17020. More specifically, this accreditation covers data validation as well as conformity verification of all legal obligations related to WEEE (waste of electrical and electonic equipment) management. Also all other inspection services are, where possible, performed in line with ISO 17020.


Compost analyses

Finally, OWS is also accredited as one of the Belgian laboratories for compost analyses:


About OWS

About OWS

OWS is a world leading company in the construction and operation of anaerobic digestion plants, in the biodegradability and compostability testing of products and materials, and in waste management consultancy.