<p><span lang="EN-GB">This document specifies a method for the enumeration of culturable microorganisms in water by counting colonies on a low-nutrient agar culture medium by spread plate inoculation after incubation at 22 °C for 7 d.</span></p>
<p><span lang="EN-GB">This document is applicable to:</span></p>
<ul>
<li><span lang="EN-GB">water from the treatment process of public drinking water supplies (e.g. process water in the waterworks);</span></li>
<li><span lang="EN-GB">chlorinated and non-chlorinated tap water in distribution systems and containers;</span></li>
<li><span lang="EN-GB">bottled water; </span></li>
<li><span lang="EN-GB">well water intended for human consumption.</span></li>
<li><span lang="EN-GB">For detailed information on the performance characteristics, see </span>Annex B<span lang="EN-GB">.</span></li>
</ul>
<p><span lang="EN-GB">This document can be applied to other water matrices if the appropriate validation of performance of this method has been undertaken by the laboratory prior to use.</span></p>
Registration number (WIID)
84408
Scope
<p><span lang="EN-GB">This document specifies a method for the enumeration of culturable microorganisms in water by counting colonies on a low-nutrient agar culture medium by spread plate inoculation after incubation at 22 °C for 7 d.</span></p>
<p><span lang="EN-GB">This document is applicable to:</span></p>
<ul>
<li><span lang="EN-GB">water from the treatment process of public drinking water supplies (e.g. process water in the waterworks);</span></li>
<li><span lang="EN-GB">chlorinated and non-chlorinated tap water in distribution systems and containers;</span></li>
<li><span lang="EN-GB">bottled water; </span></li>
<li><span lang="EN-GB">well water intended for human consumption.</span></li>
<li><span lang="EN-GB">For detailed information on the performance characteristics, see </span>Annex B<span lang="EN-GB">.</span></li>
</ul>
<p><span lang="EN-GB">This document can be applied to other water matrices if the appropriate validation of performance of this method has been undertaken by the laboratory prior to use.</span></p>
