Clean/Sanitize all drains in Whey HTST/Separator/Clarifier room, CIP Room, Relco Dryer, Higher Pressure Pump Room #1, Gea Dryer, Higher Pressure Pump Room #2, Gea Evaporator, Crystallizer Tank Vestibules, Powder Loadout, Powder Bins all levels (weekly), Sweet whey all levels (weekly). Our Story: Leprino Foods history dates back over 65 years, when Jim Leprino first started making small batches of mozzarella for local markets and eateries in the Little Italy neighborhood of Denver.