Tests sponsored by PSPC showing high legionella levels may be unreliable, says PSPC

Public Services and Procurement Canada doesn’t accept data suggesting cooling systems in some federal buildings have high levels of legionella bacteria, saying that while the department sponsored the research, it believes the testing technology is still unproven.
This week an Ottawa company said its DNA testing, which it stands by, found unexpectedly high levels of the bacteria that can cause legionnaires’ disease, a form of potentially lethal pneumonia. 
The bacteria can grow i