Vessel General Permit

Goderich, Canada

Vessel General Permit Vessel discharge meeting the compliance standards The process of meeting the compliance discharge standards related to international and local regulations can be complex and overwhelming. We have unmatched experience in testing within the context of the Vessel General Permit (VGP) regulation from the United States Environmental Protection Agency (US-EPA). The VGP aims […]

Commissioning testing

Personnel working onboard a shipboard test

Commissioning testing Requirement for commissioning testing The verification of each BWMS installation through commissioning testing will become mandatory on 1 June 2022 by the entry into force of Regulation E-1 of the IMO Ballast Water Management Convention. Flag administrations have been encouraged to start commissioning testing as soon as possible, and several administrations such as Australia, […]

DHI Laboratory products

4 vials web

DHI Laboratory products In-house products We are a producer of high purity plant pigment standards, cyano toxin standards, C-14 ampoules and filtration equipment for various plankton investigations. We determine the phytoplankton composition and biomass, toxicity of cyanobacteria and the primary production. Furthermore, we offer specialised phytoplankton analyses in our laboratories, supply various types of filters and arrange courses in […]

Type approval testing


Type-approval testing Efficient type-approval testing with high quality We have conducted independent tests of ballast water management systems (BWMS) for type approval since 2010. Type-approval tests are performed according to the United States Coast Guard standards (33 CFR 151 and 46 CFR 162) and the IMO BWMS Code (MEPC.300(72)). We assist our customers from the […]

Ecotoxicological testing and risk assessment

Chemical laboratory

Ecotoxicological testing and risk assessment Ecotoxicological tests are used to characterize the environmental hazard of chemicals, wastewater (e.g. from industry), or produced water from the offshore oil and gas industry. The data obtained in the ecotoxicological tests can be used to determine the Predicted No Effect Concentration (PNEC) for chemicals and the whole effluent toxicity […]

Filter performance testing

Filter test 1 Miura

Filter performance testing Requirements for filter testing We offer testing of filtration units for use in ballast water management systems (BWMS) in accordance with the IMO and U.S. Coast Guard requirements for type approval. The U.S. Coast Guard defines two standard procedures for testing to include an upgraded filter version or a new filter in […]

Ballast water management


Ballast water management About ballast water management Do you consider an integrated solution with all technical services covered by one consultant to be efficient and time-saving? Our land-based test facility permits parallel type approval testing of up to five ballast water management systems, and several test cycles can be conducted per week. Our large and […]


Tres Hombres was in Lunenburg, Nova Scotia waiting for a weather window to cross the Atlantic Ocean.

Services Decades of services See below on what DHI BWL has to offer! Services Ballast water management DHI has more than 10 years of experience with testing of ballast water management systems Laboratory products Find our laboratory products