B-1.1, r. 3 - Safety Code
415. The owner must make sure to obtain the result of the accredited laboratory on the business day following the result of the analyses where a result
(1) indicates a Legionella pneumophila concentration equal to or greater than 10,000 CFU/L but below 1,000,000 CFU/L;
(2) makes impossible to quantify the Legionella pneumophila concentration by reason of the presence of interfering flora.