DOP testing

Please Note, Testing Services will be unavailable January 15, 2022 until February 14, 2022 as our equipment goes for annual calibration and service.  Please ensure you call ahead to book your testing service.


As a continued commitment to being, “Your Jobsite Problem Solvers”,  Trowelex is pleased to announce that we now perform DOP/PAO testing and certification of HEPA filtration systems up to 2000CFM air flow rate.  We are your exclusive local source for the Kootenay, Boundary, and South Columbia Regions of BC!  Negative Air Units, Air Scrubbers, Vacuum systems, and certain HVAC systems with HEPA filtration can now be tested and certified locally!  No more shipping to Lower Mainland, and having your DOP certification rejected by WCB due to transport concerns.  No more expensive rates for High Risk Pre-tests, or in-situ testing!  No more long waits for replacement parts!  2200ul-360-3

Our testing equipment is the best in the industry, and is recognized by Health & Safety branches of all Provinces and Territories of Canada, as well, Federally regulated Occupational Health and Safety.  Our Technician comes from an extensive career, spanning over 15 years in: Asbestos; Lead; Mercury; Polychlorinated Biphenyl (PCBs); Naturally Occurring Radioactive Materials (NORMs); Biohazard level 1, 2, and 3 abatement; and has several years experience with HEPA/ULPA filter integrity testing.

Contact Us today to discuss your needs.  We can handle your regular required testing here at our shop, or, we can travel to your site.  We can easily do testing prior to a High Risk project, as well, in-situ testing.

To compliment this service, we have secured excellent pricing from most major manufacturers of HEPA equipment, so we can provide parts, consumables, as well repair your equipment all without expensive freight costs. Such lines we have access to:

  • Dafco Filtration Group (HEPA filters, Pre-filters, and custom applications)
  • Tiger-Vac
  • Pullman-Holt
  • Nilfisk
  • Omni-Aire
  • Abatement Technologies
  • Predator
  • Dri-Eaz
  • Phoenix
  • and More!!!

Trowelex uses Poly Alpha Olefin (PAO) solution, a non-carcinogenic alternative to Dioctyl Pthalate (DOP) for testing of HEPA Systems.  Minimum standard to achieve a pass is a 99.97% capture of particles greater than 0.3μm.  Our equipment is manufactured and calibrated by Air Techniques International, and is approved equipment by the Canadian Standards Association (CSA).