»Tetanus Toxoid conforms to the regulations of the FDAconcerning biologics (see
Biologics á1041ñ).It is a sterile solution of the formaldehyde-treated products of growth of the tetanus bacillus (
Clostridium tetani).It meets the requirements of the specific guinea pig potency test of antitoxin production based on the U.S.Standard Tetanus Antitoxin and the U.S.Control Tetanus Test Toxin.It meets the requirements of the specific guinea pig detoxification test.It contains not more than 0.02percent of residual free formaldehyde.It contains a preservative other than a phenoloid compound.