Storage Vessels

A storage vessel is a tank or vessel storing the feed or product of a SOCMI chemical manufacturing process when the liquid is on the list of HAPs (see Table 5.3.3). The storage vessel provisions require that one of the following control systems is applied to storage vessels:

An internal floating roof with proper seals and fittings

An external floating roof with proper seals and fittings

An external floating roof converted to an internal floating roof with proper seals and fittings A closed-vent system with 95% efficient control

TABLE 5.3.4 NATIONAL PRIMARY AIR POLLUTION IMPACTS IN THE FIFTH YEARa

Baseline Emissions (Mg/yr)

Emission Reductions

(Percent)

Baseline Emissions (Mg/yr)

Emission Reductions

(Percent)

Emission Points

0 0

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