* Agricultural facilities (e.g., farms, dairies)
* Beverage bottling plants
* Car washes * Chemical plants
* Dry cleaners (on site processing)
* Film processing plants
* Food processing plants
* Laboratories * Medical facilities
* Metal plating industries
* Mortuaries
* Petroleum processing or storage plants
* Piers, marinas, docks and waterfront facilities
* Radioactive material processing plants
* Wastewater treatment facilities
16 Del. Admin. Code § 4462-21.0
9 DE Reg. 999 (12/01/05)
15 DE Reg. 73 (07/01/12)
17 DE Reg. 439(10/1/2013)
19 DE Reg. 517(12/1/2015)
20 DE Reg. 555(1/1/2017)
20 DE Reg. 808(4/1/2017)
24 DE Reg. 794(2/1/2021)
24 DE Reg. 904( 4/1/2021) (Errata)