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#1 Posted : 03 September 2007 19:26:00(UTC)
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Posted By Martin Taylor
We have recently learned that a company colleague who spent some days on our site early in August has been diagnosed with Legionellas disease.
We are currently carrying out extended checks on air conditioning systems (cassette type) and H/C water systems in the area although we have no concerns of our site,

My question is whose responsibility is it to investigate sources of legionella - should we declare their time on our site?

Martin
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#2 Posted : 03 September 2007 20:09:00(UTC)
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Posted By Adrian Watson
The Health Protection Agency and the Local EHO's.

Regards Adrian
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#3 Posted : 03 September 2007 22:17:00(UTC)
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Posted By Martin Taylor
Thanks Adrian - I haven't come across the HPA before

Martin
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#4 Posted : 04 September 2007 08:51:00(UTC)
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Posted By Sean Fraser
Have you also ruled out the possibility that the disease was contracted abroad? You will find in the HPA data that of the cases reported in the UK, approximately half are estimated to have been contracted outwith the UK.
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#5 Posted : 04 September 2007 22:23:00(UTC)
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Posted By Martin Taylor
Thanks Sean

my first suggestion would be foreign stay as you say.

The individual concerned is from elsewhere in the UK so I was interested if questions may come to us at some point say from HPA - I don't expect so though

Martin
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#6 Posted : 05 September 2007 14:42:00(UTC)
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Posted By Jem
Martin,

I would say that it is prudent to carry out checks on your water systems when presented with legionnaires disease.

If you are managing your water systems in line with L8 and have carried out an investigation following the incident that has come back negative, then you have done everything you can. The individual could well have contracted the disease from a source not related to your premises.

There is approximately a 10 day incubation period for legionnaire’s disease I believe, so it may be possible to trace when and where the person was potentially exposed.

You should be keeping regular records of all your water management checks in line with L8, which will enable you to show an EHO that you are fulfilling your responsibilities.

Also in my experience, air conditioning cassettes are not water based and therefore do not need to be managed for legionella.

Jem
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