ISHEM
Ishem
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Latest posts
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LEV Testing Under COSHH
In Great Britain, local exhaust ventilation (LEV) must be thoroughly examined and tested by a competent person at least once every 14 months under Regulation 9 of the Control of Substances Hazardous to Health Regulations 2002 (COSHH).
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Legionella and Winter Shutdowns
When a building closes or part of it falls quiet, water stops moving. Stagnant water in pipework drifts towards the 20 to 45°C range where legionella bacteria multiply, and biofilm builds on pipe surfaces.
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Asbestos Management Surveys: What Duty Holders Need to Know
What is the duty to manage asbestos? Any non-domestic building built before 2000 may contain asbestos-containing materials (ACMs), and Regulation 4 of the Control of Asbestos Regulations 2012 (CAR 2012) places a legal duty on those responsible for maintaining such buildings to…
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Indoor Air Quality at Work: An Employer's Guide
What does the law actually require? Employers' obligations for workplace ventilation come from Regulation 6 of the Workplace (Health, Safety and Welfare) Regulations 1992, which requires that every enclosed workplace is ventilated by a sufficient quantity of fresh or purified…
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HSG274 Part 1 Update: What It Means for Your Legionella Risk Control
In March 2024, the Health and Safety Executive published the first significant revision to HSG274 Part 1 since the guidance was originally issued in 2014. If you operate or have responsibility for an evaporative cooling system, whether that's a cooling tower, an evaporative…
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How Climate Change and Water Stress Are Reshaping Legionella Risk Management
The HSE's HSG274 Part 1 update brings new testing, inspection and RPE requirements for cooling systems. Here's what duty holders need to know.
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Why Water Management Should Start on Day One of Any Build
A building can fail its first occupants before they even move in if the water system isn't properly managed from day one. When we think about building safety, most minds go straight to structural integrity, fire systems, or HVAC performance. Yet one of the most persistent and…
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The Hidden Legionella Risk Lurking in Empty School Buildings This Summer
Six weeks of summer holidays sounds like a well-earned rest for staff and pupils. For a school's water systems, it's something closer to the opposite. Empty buildings, reduced usage and warm weather create exactly the conditions Legionella bacteria need to establish themselves,…
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What Does a Legionella Risk Assessment Actually Involve?
Why Legionella Risk Assessments Matter Legionella bacteria is the cause of Legionnaires' disease, a severe and potentially fatal form of pneumonia. Outbreaks are reported across the world every year, and the fatality rate typically sits between 10 and 30 per cent. The risk is…