TSI - Blog

05/08/2019

New Condensation Particle Counter passes reliability tests

The Versatile Water-Based Condensation Particle Counter 3789 faced rigorous testing on its way to market.

30/07/2019

The Particulate Papers: New materials from TSI aerosols experts

Air quality data is important to researchers and citizens alike. TSI experts publish 3 white papers on particulate pollution.

18/07/2019

Fit testing faster with a PortaCount kit

You can now purchase a PortaCount Respirator Fit Tester bundled with a Microsoft Surface Go tablet and other accessories.

10/07/2019

Kevin Chase pens article on the risks of dust and airborne particles in confined spaces for ISHN mag

Dusts can build quickly in confined spaces. In this article for ISHN, TSI's Kevin Chase explains the risks and how to mitigate them.

28/06/2019

ASHRAE “Classification of Laboratory Ventilation Design Levels” recommends continuous monitoring of laboratory pressure in LVDL-4 rooms.

ASHRAE says offset is not good enough in some laboratory spaces. TSI Applications Engineer Ryan Thompson explains their new release on HVAC design and operation.

24/06/2019

Qualitative vs. Quantitative Respirator Fit Testing: A Technical History

In 1998, OSHA updated the Respiratory Protection Standard 29 CFR 1910.134, establishing required qualitative and quantitative fit testing methods for specific types of respirators. Learn how Ambient Aerosol CNC-based quantitative respirator fit testing became the preferred method for objective, reliable respirator fit measurement.