WAC 296-826-30005. General specifications

(1) You must locate containers either: (a) In buildings or parts of the building provided for ammonia storage; or (b) Outside, away from densely populated areas. (2) You must locate containers according to Table 1, Minimum Distances for Container Location. Table 1 Minimum Distances for Container Location Minimum Distances (feet) from Container to: Nominal Capacity of Container Line of Adjoining Property Which may be Built upon, Highways & Mainline of Railroad Place of Public Assembly Institution Occupancy Over 500 to 2,000 25 150 250 Over 2,000 to 30,000 50 300 500 Over 30,000 to 100,000 50 450 750 Over 100,000 50 600 1,000 Minimum Distances (feet) from Container to: Nominal Capacity of Container Line of Adjoining Property Which may be Built upon, Highways & Mainline of Railroad Place of Public Assembly Institution Occupancy Over 500 to 2,000 25 150 250 Over 2,000 to 30,000 50 300 500 Over 30,000 to 100,000 50 450 750 Over 100,000 50 600 1,000 (3) You must make sure containers are located to meet all of the following: (a) Away from readily ignitable materials such as weeds, long dry grass, and waste. (b) So there is no adverse impact on employee health through unnecessary exposure. (c) At least fifty feet away from dug wells and other sources of potable water. EXCEPTION: If the container is a part of a water treatment installation, this requirement does not apply. (4) You must maintain legibility of all container and valve markings.