CDC Laboratory Guidance for Processing Environmental Samples

Key points

  • Testing possible environmental sources for Legionella is a critical activity during Legionnaires' disease outbreak investigations.
  • This manual describes CDC's procedures to process environmental samples.
  • Recommended procedures depend upon the expected degree of bacterial contamination in a particular water source.
Cover of the manual "Procedures for the recovery of Legionella from the environment"


This manual includes information on the

  • Collection and concentration of water samples
  • Preparation of samples for bacteriologic examination
  • Formulas for media
  • Sources of reagents
  • Air sampling techniques


Publication Date: January 3, 2005