Occupational Hygiene

HSA Ireland – Woodworking Information Sheet

A Practical Guide to Controlling Wood Dust and Chemical Exposure in Woodworking   LEVCentral Expert Commentary Although produced by the Health and Safety Authority (HSA) Ireland, this excellent information sheet is equally relevant to employers and LEV professionals throughout the …

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 …

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 …

MDHS 25/4 Organic Isocyanates in Air

Measuring Airborne Isocyanates in the Workplace   LEVCentral Expert Commentary For occupational hygienists involved in spray painting, polyurethane manufacture or any process using isocyanates, MDHS 25/4 is one of the most important analytical methods ever published by HSE. Unlike general …

MDHS 14/4 – General Methods for Sampling and Gravimetric Analysis of Respirable, Thoracic and Inhalable Aerosols

The Foundation of Workplace Dust Exposure Monitoring in the UK   LEVCentral Expert Commentary If HSG258 is the UK’s principal guidance on designing and maintaining Local Exhaust Ventilation (LEV), then MDHS 14/4 is the cornerstone of measuring whether those engineering …

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 …

HSE EIS44 Pneumonia Vaccination for Employees Exposed to Welding and Metal Fume

LEVCentral Expert Commentary Most LEV guidance focuses on preventing workers from inhaling hazardous airborne contaminants. HSE Engineering Information Sheet EIS44 takes a slightly different approach by considering the additional role that pneumococcal vaccination may play for employees who are regularly …

HSE CoSHH Essentials – QY11 Quarrying Silica – Control Cabins & Vehicle Cabs

LEVCentral Expert Commentary Respirable Crystalline Silica (RCS) remains one of the most significant occupational health hazards in the quarrying industry. While many quarry processes rely on water suppression and Local Exhaust Ventilation (LEV) to reduce airborne dust, there are situations …

HSE SR14 Vehicle Exhaust Fumes (Warehouses, Garages etc)

Controlling Exposure to Engine Exhaust Emissions Using Effective Ventilation and Exhaust Extraction   LEVCentral Expert Commentary Vehicle exhaust emissions have long been recognised as a significant occupational health hazard. Workers in garages, MOT stations, vehicle workshops, warehouses, loading bays, distribution …