EXHIBIT 1:    PREMISES REQUIRING ISOLATION* BY AN APPROVED AIR GAP OR REDUCED PRESSURE PRINCIPLE BACKFLOW PREVENTION ASSEMBLY
1.   Agricultural (e.g. farms, dairies)
2.   Beverage bottling plants **
3.   Car washes
4.   Chemical plants
5.   Commercial laundries and dry cleaners
6.   Premises where both reclaimed and potable water are used
7.   Film processing plants
8.   Food processing plants
9.   Medical centers (e.g., hospitals, medical clinics, nursing homes, veterinary clinics, dental clinics, blood plasma centers)
10.   Premises with irrigation systems that use the water supplier's water with chemical additions (e.g., parks, playgrounds, golf courses, cemeteries, housing estates, installed lawn sprinkler systems)
11.   Laboratories
12.   Metal plating industries
13.   Mortuaries
14.   Petroleum processing or storage plants
15.   Radioactive material processing plants and nuclear reactors
16.   Wastewater lift stations and pumping stations
17.   Wastewater treatment plants
18.   Premises with piping under pressure for conveying liquids other than potable water and the piping is installed in proximity to potable water piping
19.   Premises with an auxiliary water supply that is connected to a potable water supply
20.   Premises where the water supplier is denied access or restricted access for survey
21.   Premises where the water is being treated by the addition of chemical or other additives
 
*   Refer to OAR 333-61-0070(8) Premise Isolation Requirements
**   A Double Check Valve Backflow Prevention Assembly could be used if the water supplier determines there is only a non-health hazard at a beverage bottling plant
(Ord. 2007-11-04, passed 11-13-2007)