Challenge A tank farm located in Texas needs to comply with TCEQ environmental regulations under 30 TAC Chapter 115 (Subchapter F, Division 3) now require that external vents on a Light Aromatic Distillate petroleum storage tank—containing Volatile Organic Compounds (VOCs) with true vapor pressure ≥ 0.5 psia—be sealed and degassed through a vapor‑tight recirculation system routed to an active control device, […]
