TABLE I

USP QC Microorganism Requirements for Method Suitability and Growth Promotion Testing

Microorganism Classification	Compendial QC Strains	USP <60>	USP <61>	USP <62>	USP <71>
Gram-positive cocci	Staphylococcus aureus	Yes	Yes	Yes	Yes
Gram-positive cocci	Micrococcus luteus	No	No	No	Yes
Gram-positive, spore-forming rods	Bacillus subtilis	No	Yes	No	Yes
Gram-negative, oxidase-positive rods	Pseudomonas aeruginosa	Yes	Yes	Yes	Yes
Gram-negative, oxidase-positive rods	Burkholderia cepacia Complex	Yes	No	No	No
Gram-positive, anaerobic bacteria	Clostridium sporogenes (spore former)	No	No	Yes	Yes
Gram-positive, anaerobic bacteria	Bacteroides vulgatus (non-spore former)	No	No	No	Yes
Gram-negative, fermentative rods	Escherichia coli	No	Yes	Yes	No
Gram-negative, fermentative rods	Salmonella enterica serovar typhimurium	No	No	Yes	No
Yeast	Candida albicans	No	Yes	Yes	Yes
Filamentous fungi	Aspergillus brasiliensis	No	Yes	No	Yes