Home Products Services Projects Clients About PSC Employee Services Contact Us Systems Services Solutions Pajarito Scientific Corporation (PSC) designs, manufactures and provides custom radiometric instrumentation systems. We specialize in Uranium and Plutonium Characterization; Very Low-Level Waste through to High Level Waste and TRU Waste Characterization. PSC utilizes Total and Passive/Active Neutron Coincidence Counting techniques in addition to High and Low Resolution Gamma Spectroscopy techniques to fully characterize a wide variety of nuclear materials