Resources

USA-EPA – LESSON 6 – Electrostatic Precipitators (ESP) – Operation and Maintenance

LEVCentral Expert Commentary Electrostatic Precipitators (ESPs) are widely used throughout industry for the collection of fine particulate, smoke, fumes and oil mist. Unlike mechanical filtration systems, ESPs use high-voltage electrical fields to charge airborne particles before collecting them on grounded …

USA-EPA – LESSON 5 Industrial Applications of Electrostatic Precipitators (ESP)

LEVCentral Expert Commentary Electrostatic Precipitators (ESPs) are among the most versatile particulate control technologies used in heavy industry. Their ability to remove extremely fine dust, smoke, fumes and mists with very high efficiency and minimal pressure loss has resulted in …

USA-EPA – LESSON 4 Fabric Filter Material

LEVCentral Expert Commentary The performance of a fabric filter depends not only on the baghouse design, but also on the characteristics of the filter media itself. Selecting the correct fabric requires consideration of operating temperature, dust characteristics, chemical resistance, abrasion, …

BOHS M505 Student Manual – Control of Hazardous Substances

LEVCentral Expert Commentary The BOHS M505 – Control of Hazardous Substances module is one of the core qualifications within the BOHS Certificate of Operational Competence in Occupational Hygiene (CertOH). It introduces the principles of controlling occupational exposure to hazardous substances …

USA-EPA – LESSON 3 ESP Design Parameters and Their Effects on Collection Efficiency

LEVCentral Expert Commentary Electrostatic Precipitators (ESPs) are capable of achieving collection efficiencies in excess of 99%, but this level of performance is only possible when the precipitator has been correctly designed for its specific application. This EPA training lesson examines …

USA-EPA – LESSON 2 – Electrostatic Precipitator (ESP) Components

LEVCentral Expert Commentary To understand how an Electrostatic Precipitator (ESP) performs, it is first necessary to understand its individual components. Although ESPs appear to be relatively simple pieces of equipment externally, they contain a number of carefully engineered electrical and …

HSE LEV Calculations – Useful Online Calculator for LEV Assessors

LEVCentral Expert Commentary Every LEV engineer performs calculations on a regular basis. Whether determining duct volume flow, calculating air changes, converting pressure units or averaging face velocity readings, these calculations are fundamental to commissioning, troubleshooting and Thorough Examination & Testing …

HSE Case Study – A Tale of Two Schools – Wood Dust

LEVCentral Expert Commentary This short HSE case study is one of the most powerful illustrations of why good LEV procurement and commissioning matter. Rather than discussing airflow calculations or ventilation theory, it tells the story of two newly built schools …

HSE COSHH Essentials in Ceramics: Silica

Task-Specific Guidance for Controlling Respirable Crystalline Silica in the Ceramics Industry   LEVCentral Expert Commentary The ceramics industry presents a wide range of opportunities for exposure to respirable crystalline silica (RCS). From the preparation of glazes and colours through to …

HSE – Harmful Dusts in Motor Vehicle Repair

LEVCentral Expert Commentary Motor vehicle body repair is often associated with paints and isocyanates, but many routine repair activities also generate significant quantities of hazardous dust. Sanding body fillers, preparing paintwork, working with glass fibre fillers and restoring older vehicles …