LEV Installation & Management

HSE Textile Dust

Controlling Cotton, Wool and Dyestuff Dust in the Textile Industry LEVCentral Expert Commentary Textile dust has long been recognised as a significant occupational health hazard. Depending on the material being processed, workers may be exposed to cotton dust, wool process …

BS EN 12779:2015 – Safety of Woodworking Machines: Chip and Dust Extraction Systems with Fixed Installation

LEVCentral Expert Commentary BS EN 12779 is the principal European Standard covering the safety requirements for fixed chip and dust extraction systems used with woodworking machinery. It provides manufacturers and system designers with requirements intended to minimise the hazards associated …

RR836 – Perception and understanding of how local exhaust ventilation (LEV) works and how effective it is

LEVCentral Expert Commentary A technically well-designed LEV system can still fail to protect workers if the people responsible for using and managing it do not understand how it works. This important HSE research examined how employers, supervisors and operators perceive …

CEC Common Causes of Vibration in Centrifugal Fans

LEVCentral Expert Commentary Excessive fan vibration is one of the earliest indicators that an LEV system may no longer be operating as intended. Whilst vibration is often viewed simply as a maintenance issue, it can also indicate deterioration in fan …

MDHS 82/2 The Dust Lamp

One of the Most Powerful Qualitative Tools Available to LEV Engineers and Occupational Hygienists   LEVCentral Expert Commentary There are very few occupational hygiene tools that can completely change the way someone thinks about airborne exposure. The Dust Lamp is …

BS EN 17242:2025 – Recirculatory Filtration Fume Cabinets

The New European Standard for Ductless Laboratory Fume Cabinets   LEVCentral Expert Commentary The publication of BS EN 17242:2025 – Recirculatory Filtration Fume Cabinets marks one of the most significant developments in laboratory ventilation standards for many years. This new …

HSE WEB09: Biological Agents

Practical Guidance on Managing Workplace Risks from Biological Agents LEVCentral Expert Commentary Biological agents can present significant workplace health risks in laboratories, healthcare, waste management, agriculture, animal care, food production and many other sectors. These agents may include bacteria, viruses, …

HSE MDHS 85/2 – Triglycidyl Isocyanurate (and Coating Powders Containing Triglycidyl Isocyanurate) in Air

LEVCentral Expert Commentary Triglycidyl Isocyanurate (TGIC) is widely used as a curing agent in polyester powder coating formulations. During powder coating operations, airborne dust containing TGIC may be generated during powder application, recovery, transfer, cleaning and maintenance activities. This HSE …

Dust Explosion Protection by Flameless Venting

LEVCentral Expert Commentary Explosion protection remains one of the most specialised aspects of industrial ventilation and dust extraction design. Whilst the primary objective should always be to prevent explosive atmospheres from developing, there are many applications where suitable explosion protection …

Fan Handbook – Selection, Application & Design

One of the Most Comprehensive Engineering References on Industrial Fans   LEVCentral Expert Commentary Every Local Exhaust Ventilation (LEV) system ultimately depends upon one critical component—the fan. It is the fan that creates the pressure difference needed to move contaminated …