Relative toxicity test data on 270 materials are presented, based on test procedures developed at the University of San Francisco. The effects of chemical composition, using data on 13 types of synthetic polymers and eight types of fabrics, are discussed. Selected materials were evaluated using nine test conditions with the USF method, and using methods developed at the FAA Civil Aeromedical Institute, Douglas Aircraft Company and San Jose State University.
Various aspects of pyrolysis gas toxicity studies at the University of San Francisco are discussed. Animal response data can be used to establish patterns which would help identify specific toxicants by their mode of action. Reference time-concentration curves for individual gaseous toxicants can be used to permit deduction of the importance of these toxicants in complex mixtures of toxic gases. These techniques can be used to identify causes and mechanisms of toxicity without significant additional cost. The versatility and economy of the basic test permits rapid survey of test variables to identify potential problem situations.
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