What does PITT stand for?

Partitioning Interwell Tracer Test - A method to quantify the volume of non-aqueous phase liquid

Pittsburgh Forging - NCIC farm equipment make code (NCIC)

Polaris Integrated Test Team - Missiles

Punch-through Injection Transit-Time (SAUS)

Pittier - Botanist in plant scientific name (HUH)

Pittsburgh, PA (DLA)