We provide quality test instrumentation, technical support, and calibration services for terminals, refineries, research and test laboratories. PSSC is well known for our ASTM D5188, D5191, D6377 & D6378 Vapor Pressure Calibrations for Eralytics, Grabner, Herzog & Stanhope-Seta as well as Flash point calibrations for Pensky-Martens ASTM D93, D3828, D6450, and D7094. We are the Northeast Sales Reps for the popular XOS line of Sindie Sulfur, Chloride and Trace Metals Analyzers.