Method 11731:1998

Detection and Enumeration of Legionella


This method is for the determination of Legionella from water.  A portion of the sample is cultured in an agar medium and incubated for seven days.  After incubation, any Legionella colonies are counted using a micrscope.


(ISO)

Request-A-Quote

No Obligation Quotation for Analytical Services

If you would like us to provide a quote for laboratory analysis, just provide us with as much information as you can about your project (the more, the better) and we'll provide you a quote via email. As you are searching or browsing our Analytical Guide, you'll see the Request-A-Quote icon... just click on it to start the request process.
Request-A-Quote

Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   Analyze samples as soon as possible after collection. Ideally the analyses should be started within 24 hours of collection.
Preservatives:   Store the samples at 5 ± 3°C before analysis.
Required Preps:   Sterile 4oz plastic bottle with Teflon-lined lid
Collection Method:   Grab sampling
Analytical Methodology:   Culture and incubation
Documentation:  

Analyte List*

Analyte Formula CAS Number Detection Limit
Legionella
1
 CFU/mL

* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.