35 Ill. Adm. Code 218.483
Material Storage and Transfer
Section 218
Section 218.483Â Material
Storage and Transfer
The owner or operator of a
pharmaceutical manufacturing source shall:
a)Â Â Â Â Â Â Â Â Provide a vapor balance system that is at least 90 percent
effective in reducing VOM emissions from truck or railcar deliveries to storage
tanks with capacities equal to or greater than 7.57 m(3) (2,000 gal) that store
VOL with vapor pressures greater than 28.0 kPa (4.1 psi) at 294.3° K (70° F),
and
b)Â Â Â Â Â Â Â Â Install, operate, and maintain pressure/vacuum conservation
vents set at 0.2 kPa (0.03 psi) or greater on all storage tanks that store VOL
with vapor pressures greater than 10 kPa (1.5 psi) at 294.3° K (70° F).