Blog Posts by Roy Sullivan


Roy Sullivan

Roy has extensive experience in legal and statutory standards, along with clinical guidelines, corporate governance and industry best practice across many disciplines, including Fire, Water, Medical and Natural Gas, Ventilation, Boiler and Pressure systems and power systems.
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Recent Posts

Legionella sampling: Part 2 - technique & chain of custody
Last week we looked at the planning process required before any samples are taken. This week we get down to the ‘nuts and bolts’ of bottle filling.  
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Legionella sampling: Part 1 - What's your sampling strategy?
Sampling of water systems for Legionella, Pseudomonas aeruginosa or bacteriological can be somewhat daunting, with thoughts of ‘do I need to sample’, ‘how to take a sample’ and ‘where should I send...
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Legionella Incident Investigation – What’s involved?
Sampling for Legionella should be routinely carried out as indicated by your Legionella risk assessment. A sampling plan can then be created. BS8554 and BS7592-2022 Sampling for Legionella bacteria...
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How often should I complete my Legionella Risk Assessment?
UK legislation places a duty on building owners and those in charge of premises to manage the risks to health and safety associated with water systems. 
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I have a Pseudomonas aeruginosa count – what next?
To understand the actions that should be taken when a positive Pseudomonas aeruginosa [P. aeruginosa] test result is received, it is prudent to first understand more about this opportunistic...
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Water Safety Projects: Design Control – Getting it right!
  Historically, the interface between stakeholders involved in projects (i.e. new developments or refurbishments) and the Water Safety Group [WSG] has always been somewhat limited. This may be due to...
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BS 7592: 2022 Sampling for Legionella - What’s new?
  BS 7592 has recently undergone a re-write which resulted in extensive changes. There are 3 new annexes with greater emphasis being placed on the competency of all involved in the sampling process.
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Most common ways of contracting Legionnaires’ Disease.
  Legionnaires’ disease was first recognised in July 1976 and since then more than 60 species have been identified. It is a naturally occurring organism and can be found in ponds, rivers, and lakes....
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What is a Water Safety Plan?
  A Water Safety Plan is defined in BS8680 2020 as a proactive and strategic plan which gives clear direction for a business or organisation, whether large or small, to manage the risks identified...
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