storm water from the immediate process area

The term storm water from the immediate process area means storm water that comes into contact with process equipment located outdoors, storm water collected in process area and bulk storage tank secondary containment structures, and storm water from wastewater treatment systems located outdoors, provided that it has the potential to become contaminated with process wastewater pollutants for the particular subcategory. Storm water from building roofs, plant roadways, and other storm waters that do not have the potential to become contaminated with process wastewater pollutants are not storm water from the immediate process area.

Source

40 CFR § 420.02

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Scoping language

In addition to the definitions set forth in 40 CFR part 401, the following definitions apply to this part:

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