Introduction to GMP, General considerations in quality of bioproducts (enzymes/vaccines/insecticides/r-DNA product etc.) such as molecular identity, potency, purity and stability, toxicity, immunogenecity and consistency. Physical and biological containment, facilities for experiments dealing with recombinant cells and viruses. General scientific considerations for assessing possible risks of viral/bacterial insecticides and recombinant organisms in large scale particles.