ANSI K61.1 : 1999

1 Introduction
1.1 Scope
1.2 General
1.3 Physical/Chemical properties of ammonia
1.4 Ammonia exposure
1.5 Federal, state, and local regulations
1.6 Hazardous material classification
2 Definitions
3 Safety
3.1 Training
3.2 Normal Conditions
3.3 Emergency conditions
3.4 Permanent storage installations
3.5 Cargo tanks
3.6 Leaks in transportation equipment
3.7 Cylinder and DOT portable tank installations
4 Use of water in emergencies
4.1 Human exposure
4.2 Accidental release
4.3 Fire exposure
4.4 Absorption in water
5 Basic rules
5.1 Equipment and systems
5.2 Requirements for new construction and original test, repair and
          alteration of containers (including DOT portable tanks) other
          than refrigerated storage tanks
5.3 Location of containers
5.4 Markings of nonrefrigerated containers and systems other than
          DOT containers
5.5 Container appurtenances
5.6 Piping, tubing, and fittings
5.7 Hose specification
5.8 Pressure relief devices
5.9 Filling densities
5.10 Transfer of liquids
5.11 Liquid level gauging devices
5.12 Painting of containers
5.13 Electrical equipment and wiring
6 Systems using stationary, pier-mounted or skid-mounted, above-
          ground or underground, nonrefrigerated storage
6.1 Design pressure and construction of containers
6.2 Container valves and accessories and discharge connections
6.3 Pressure relief devices
6.4 Installation of storage containers
6.5 Reinstallation of containers
6.6 Marking containers
6.7 Protection of container and appurtenances
6.8 Identification for emergency
7 Refrigerated storage
7.1 Design of tanks
7.2 Installation of storage tanks (aboveground)
7.3 Marking refrigerated containers
7.4 Tank valves, accessories, fill pipes, and discharge pipes
7.5 Pressure relief valves
7.6 Protection of containers and appurtenances
7.7 Reinstallation of containers
7.8 Refrigeration load and equipment
7.9 Safety equipment
7.10 Identification for emergency
8 Systems mounted on railcar structures (tank cars), other than
          DOT class 106A, for transportation of ammonia
8.1 Design and construction
8.2 Pressure relief valves
8.3 Marking and placarding
8.4 Tank car loading and unloading locations and operations
9 Systems mounted on trucks, semi-trailers, and trailers for
          transportation of ammonia
9.1 Design pressure of containers
9.2 Container mounting
9.3 Container appurtenances
9.4 Piping, fittings, and hose
9.5 Pressure relief valves
9.6 Placarding and marking of containers
9.7 Transfer of liquids
9.8 Trailers and semi-trailers
9.9 Electrical equipment and lighting
9.10 Protection against collision
9.11 Brakes
9.12 Portable tanks (including skid tanks)
9.13 Safety equipment
10 Systems using DOT portable tanks and cylinders
10.1 Containers and cylinders
10.2 Container and cylinder valves and regulating equipment
10.3 Pressure relief devices
11 Systems mounted on farm wagons (implements of husbandry) for
          the transportation of ammonia
11.1 Design of containers
11.2 Mounting of containers
11.3 Container appurtenances
11.4 Placarding and marking of containers
11.5 Farm wagons (implements of husbandry)
11.6 Safety equipment
11.7 Chemical additive compatibility
12 Systems mounted on farm equipment (implements of husbandry) for
          the application of ammonia
12.1 Design of containers
12.2 Mounting of containers
12.3 Container valves and appurtenances
12.4 Safety equipment
13 References
Appendices
A RMA IP-14 Specifications for Anhydrous Ammonia Hose
B Minimum required flow rate of pressure relief devices for fire
protection
Tables
1 Physical properties of ammonia
2 Human physiological response to various concentration of ammonia in
air
3 Minimum separation distances for location of ammonia storage
containers

Specifies design, construction, alteration, repair, location, installation, and operation of anhydrous ammonia systems including refrigerated ammonia storage systems. Not applicable to ammonia manufacturing plants, nor, refrigeration systems where ammonia is used solely as a refrigerant, ammonia transportation pipelines, or ammonia barges and tankers.