What does PTAP stand for?

Phenyltrimethylammonium Perbromide - Organic chemistry

Porsche Technology Apprenticeship Program - Automotive industry

Profiler Triangle Analysis Package - Marine science

Purified Diphtheria Toxoid Precipitated by Aluminum Phosphate (AAMN)

Purified Toxoid precipitated by Aluminum Phosphate (SAUS)