laboratory diagnostic - testing and comparison - biological samples and assessment reports - quality control - internal - reference strains - qualitative - Legionella pneumophila serogroup 1, equivalent collections 33152, NCTC 11192, WDCM 00107, vial x10 discs, keep in the freezer, C.F.U between 10^6-10^9, freeze-dried, water-soluble, used in solid or liquid media, code L37RS1031-10, todylaboratories®