Hardy Diagnostics HardyVal™ à la carte products are recommended for routine use in the monitoring of aseptic procedures used in the preparation of Compounded Sterile Preparations (CSPs). HardyVal™ à la carte components can be purchased separately and used to create customized proficiency tests that most closely resemble the laboratory’s procedures. In addition, Tryptic Soy Broth (TSB), also known as Soybean Casein Digest Broth, in HardyVal™ à la carte complies with the harmonized European, U.S. and Japanese Pharmacopoeias for determining the microbial quality of non-sterile products.