PDFWAC 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
 
(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.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-826-30005, filed 11/17/15, effective 12/18/15. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 06-10-067, § 296-826-30005, filed 5/2/06, effective 9/1/06.]