What is the Legionella bacterium and why is it dangerous?
Everything you need to know about the bacterium, routes of infection, at-risk populations and the Israeli testing standard.
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Knowledge Center
Professional Information Worth Knowing
Guides, regulations and frequently asked questions in the world of sampling and testing - Legionella, drinking water, pipe disinfection, food sampling, wastewater and mikvehs. Practical knowledge from the lab, in clear language.
Legionella
Water Testing
Grade A vs Grade B drinking water testing
The difference between the tests, when each is required and how often they must be performed.
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Pipe Disinfection
Pipe disinfection approval for Form 4 - a contractor's guide
What a contractor needs before occupancy, how the disinfection process works and which documents you receive.
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Food Sampling
Food testing for restaurants and catering - what is required
Which food and surface tests are required in a food business, how often and why it is critical.
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Water Reservoirs
How often should a water reservoir be cleaned and disinfected?
Cleaning frequency under the Public Health Regulations, warning signs and what a proper disinfection process includes.
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Swimming Pools
Water testing for a public pool under Ministry of Health rules
Which parameters are tested in a pool, sampling frequency and the requirements for opening the bathing season.
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Backflow Preventer
What is a backflow preventer and who must have an annual test?
Why a backflow preventer is needed, who is required to install one and undergo periodic certified testing.
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Wastewater Sampling
Industrial wastewater sampling - the water utility's rules
What is tested in industrial wastewater, how wastewater levies are set and how to avoid fines.
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Mikvehs
Water testing for a mikveh - requirements and guidelines
Which tests are required in a public mikveh, sampling frequency and ensuring bather safety.
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Standards
Why it matters that the laboratory is ISO 17025 accredited
What the accreditation means, how it ensures reliable results and why the regulator requires it.
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Healthcare Institutions
Water sampling plan for healthcare institutions
Why hospitals, nursing homes and clinics must have an organized sampling plan and what it includes.
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Contamination Event
What to do when water contamination is found? Response procedure
The steps of immediate response to contamination, rapid PCR testing and a safe return to routine.
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