B-1.1, r. 3 - Safety Code

Full text
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.
O.C. 454-2014, s. 4.