DocumentsSample GuidelinesEST Sampling Guidelines Legionella Sampling ResourcesLegionella Chain of Custody Example Legionella COCLegionella COC InstructionsOther Legionella ResourcesDr. Miller’s 1-5-5 Faucet and Showerhead Flushing Procedure Dr. Miller’s Two Step Legionella Disinfection Procedure for Potable Water Systems Cooling Tower Legionella Disinfection Procedure CDC Tool Kit for a Water Management Program Persister Cells and Differences from Other Cell TypesIndoor Air Quality Sampling ResourcesIndoor Air Quality Fungal Glossary CertificationsCDC ELITE Legionella Certificate ANAB/ANSI ISO 17025 Certificate