Personal protective equipment ppe should always be worn. Retail storage tanks and nurse tanks for anhydrous ammonia are built. November 1, 2018 anhydrous ammonia page 1 of 9 safety data sheet section 1. Bringing together leaders from industry and public safety organizations with hundreds of years of combined experience, asti provides safety management support. Anhydrous ammonia the main safety hazard of ammonia is that it is extremely corrosive to the skin, eyes, and respiratory tract. Double shelf couplers coupler vertical restraint systems a. The physicochemical nature and potential health hazards of anhydrous ammonia were described.
At room temperature, ammonia is a colorless, highly irritating gas with a pungent, suffocating odor. Using anhydrous ammonia safely on the farm, educational package agep2192, agricultural extension service, university of minnesota. In pure form, it is known as anhydrous ammonia and is hygroscopic readily absorbs moisture. Trainers note present a dry run safety demonstration on how to work with nh3 correctly and demonstrate the proper use of personal protective equipment ppe. Training is provided on safe anhydrous ammonia operations for employees. High concentrations of ammonia gas, liquid ammonia and solutions of ammonia can cause harm if inhaled or contacts eyes or skin. Classified according to the unghs as adopted in the us hazard communication standard hcs. Anhydrous ammonia can be harmful, with exposure to 300 ppm being immediately dangerous to life and health. At a concentration of only 50 parts per million ppm, one sniff tells what is in the air. Anhydrous ammonia safety general the term ammonia in this booklet means anhydrous ammonia which has the molecular formula nh3. Safety tips farmers and dealers should implement the following safety.
Anhydrous ammonia safety data sheet classified according to the unghs as adopted in the us hazard communication standard hcs 2012, the canada hazardous products regulations whmis 2015 and mexico nom018stps2000 revision date. Ammonia refrigeration standards occupational safety and. If exposed to nh 3 immediately flush the exposed body areas with water for at least 15 minutes. The occupational safety and health administration osha sets requirements for the design. Protective clothing against liquid and gaseous chemicals, aerosols and solid particles. Safety requirements for the storage and handling of anhydrous ammonia fifth edition, 1999 nebraska state fire marshal title 153 n. Feb 25, 2016 installation and operation of anhydrous ammonia systems. A demonstration of the proper way to tow anhydrous ammonia tanks can be done at the training session. Store in wellventilated areas, with containers tightly closed. Safety data sheet ghs product identifier other means of identification product type section 1. Anhydrous ammonia reacts with moisture to produce ammonium hydroxide.
Fertilizer, refrigerant, industrial use restrictions on use. Other hazards not contributing to the classification. Between the boiling and critical points, liquid anhydrous ammonia exerts a vapor pressure which increases with rising temperature. Anhydrous ammonia nurse tank safety the most commonlyused nitrogen fertilizer source in north dakota, anhydrous ammonia plays a vital role in the production of highquality food and feed. May 17, 2019 anhydrous ammonia is a hygroscopic compound, meaning that it takes up water from the nearest source, which can include the human bodyespecially the eyes, lungs, and skin because of their high moisture content. Only trained persons should handle anhydrous ammonia. Because nh 3 contains no water, it is attracted to any form of moisture. Ammonia is formed by the combination of nitrogen and hydrogen at high temperature and pressure in the presence of a catalyst.
The new and improved iiar 2 is the definitive design safety standard of the ammonia refrigeration industry. Anhydrous ammonia is one of the more dangerous chemicals handled on the farm. Transcaer anhydrous ammonia training anhydrous ammonia properties. Review of global regulations for anhydrous ammonia. Anhydrous ammonia nh3 is a hazardous chemical and must be dealt with carefully. Transcaer anhydrous ammonia training anhydrous ammonia properties in this module, we will cover the properties of anhydrous ammonia and provide general understanding and guidance to emergency responders in addressing anhydrous ammonia incidents. Any person from the university who requires medical assistance during the emergency must. An emergency shower and eye wash station is located in the zamboni room. Anhydrous ammonia safety anhydrous means without water.
Derived no effect level workers acute local effects, inhalation 36 mgm. The main products of combustion in air, at or above 780 c, are nitrogen and water with small amounts of nitrogen dioxide and ammonium nitrate. Practice safety when handling anhydrous ammonia pdf anhydrous ammonia safety tips pdf. Material safety data sheet msds ammonia anhydrous cas no 7664 41 7 administration office. In addition, anhydrous ammonia is a cryogenic liquid or compressed gas. The improper handling of anhydrous ammonia can have catastrophic results on both plants and farm workers. Has a decal been applied with the safety information detailed in the anhydrous ammonia safety rules section 4106d2. Anhydrous ammonia anhydrous ammonia anhydrous ammonia safety data sheet 1.
Anhydrous ammonia also is a key ingredient in the illegal production of methamphetamines. Apr 18, 2016 refer to the safety data sheet for anhydrous ammonia in appendix g for further details. Nh3 safety practices practice safety when handling anhydrous ammonia pdf. Ansiiiar 3, american national standard for ammonia refrigeration valves. Who it applies to employers that store or transfer anhydrous ammonia. Play it safe around anhydrous ammonia anhydrous amm play it dd sept 2006 in accordance with the americans with disabilities act, an alternative form of communication is available upon request. It includes inspection data sheets and serves as a convenient check list of criteria governing a safe ammonia refrigeration system. Common injuries are severe burns to eyes, skin and the respiratory tract. Anhydrous ammonia in liquid or gaseous form has a very strong attraction to water and moisture which targets bodily fluids such as those in the eyes, nose, mouth, respiratory tract, and perspiration and forms strong concentrations of aqueous ammonia that irritate body tissues and may cause injury. Contact with liquid product may cause frostbite or freeze burns, in exposed tissues. To incorporate adequate safety precautions when working with or transporting anhydrous ammonia nh3. Ammonia decomposes into flammable hydrogen gas at approximately 450 c.
One cubic foot of anhydrous ammonia in a liquid state produces 855 cubic feet of ammonia gas. This manual summarizes the requirements of environmental and safety laws for anhydrous ammonia refrigeration system operators. Seek medical attention immediately after emergency first aid treatment. Ammonia us safety data sheet p4562 this sds conforms to u. Anhydrous ammonia is classified as a hazardous substance, although few problems occur when it is properly handled and applied as intended. The odor is the strongest safety feature of the product. For agricultural use, anhydrous ammonia is at least 99. Scribd is the worlds largest social reading and publishing site.
To learn the necessary safety precautions for towing anhydrous ammonia tanks. It was installed before february 8, 1973, and was approved, tested, and installed in accordance with either the provisions of the american national standard for the storage and handling of anhydrous ammonia, k61. The rules in this book are effective december 2015. To incorporate adequate safety precautions when working with or transporting nh. November 1, 2018 anhydrous ammonia page 4 of 9 section 7. Anhydrous ammonia ammonia chemtrec 800 4249300 ccn 2019 safety data sheet product name synonyms emergency telephone number section 1. Anhydrous ammonia is a clear, colorless gas at standard temperature and pressure conditions and has a very characteristic odor. It is used and stored under high pressures, which requires specially designed and wellmaintained equipment. Our curriculum combines technical information with a handson approach. Anhydrous ammonia is a liquid when compressed or cooled. This program covers ardent policy related to ammonia hazards. Iiar minimum safety criteria for a safe ammonia refrigeration. A more detailed description of the scr system has been provided in appendix a. Aqueous ammonia ammonium hydroxide, ammonia solution, aqua ammonia chemtrec 800 4249300 ccn 2019 safety data sheet product name synonyms emergency telephone number section 1.
It can be handled safely when proper procedures are followed. Anhydrous ammonia has the potential to be one of the most dangerous chemicals used in agriculture today. Identification product identifier anhydrous ammonia, liquified other means of identification sds number 600 ghs synonyms anhydrous ammonia, liquid ammonia, nitromite, nitrosil, ammonia liquefied see section 16 for complete information. Ammonia is a colorless gas under normal conditions. Ammonia gas is quickly absorbed on moist body surfaces and results in an alkali burn.
Safety procedures in case of contact with the chemical included flushing with water for at least 15 minutes and immediate medical attention following. The training program can be accessed through a link posted on the websites homepage. Jan 04, 2021 anhydrous ammonia is potentially dangerous if not handled properly, and the safety lessons taught in this training could prevent serious injury or even death. Anhydrous ammonia safety anhydrous ammonia is an important source of nitrogen fertilizer for crops. Chapter 14 storage and handling of anhydrous ammonia nh3 summer 2007 secretariat compressed gas association, inc. A list of the federal laws and regulations related to process safety, accident prevention, emergency planning, and release reporting may be found in appendix c. Specifies criteria for materials, design parameters, marking and testing of valves and strainers used in closed circuit ammonia refrigeration systems. Ammonia refrigeration systems with 10,000 pounds or more of ammonia are a covered process subject to the requirements of the process safety management standard 29 cfr 1910. Ammonium hydroxide rapidly penetrates skins stratum corneum layer, eyes, and mucous membranes causing liquefaction necrosis.
Anhydrous ammonia boils at 28 f and freezes to a white crystalline mass at 108 f. Many of these requirements are identified in this etool as possible controls and are useful as recommended practices whether or not the ammonia refrigeration system is a covered process. Point out the selection of the proper hitch pin for the tank, smv signs, and other warning signs. The following safety information is from the illinois department of agriculture, which includes two websites that will take you to the video. Safety requirements for the storage and handling of anhydrous ammonia, publication k61. Anhydrous ammonia pdf files you can use in your safety training programs. The effects of breathing in anhydrous ammonia range from lung irritation to severe respiratory injuries, with possible fatality at higher concentrations. River valley cooperative and farmers transport anhydrous ammonia to the. Protective measures are needed to ensure the safety of those working with nh3 and any people who live, work, or otherwise are near nh3. Ammonia for each individual hazardous ingredient, read the new. If exposed to nh3 immediately flush the exposed body areas. Ammonia gas dissolves easily in water to form ammonium hydroxide, a caustic solution and weak base.
All tank cars in north america transporting hazardous materials must be equipped with double shelf couplers b. If your nurse tanks are equipped with running lights make. The shelves attached to the top and bottom of the coupler are designed. Contact with liquid anhydrous ammonia also produces a burn by its. It is stored under pressure to prevent vaporization so a large volume can be available for use. Ammonia refrigeration standards occupational safety. Ammonia page 2 of 6 determining your exposure read the product manufacturers material safety data sheet msds and the label to determine product ingredients and important safety and health information about the product mixture. At normal pressure and temperature, anhydrous ammonia is a colorless gas. All cylinders are portable gas containers and must be regarded as pressure. Anhydrous ammonia is dry ammonia or pure undiluted ammonia. Each spring and fall, farmers apply anhydrous ammonia to provide essential nitrogen to their corn crops. Anhydrous ammonia is attracted to water and at ambient temperature is mainly a gas.
Because nh3 contains no water, it is attracted to any form of moisture. Keys to maintaining anhydrous safety anhydrous basics chemical formula is nh3 made up of one part nitrogen n and three parts hydrogen h3 one of the most widely used sources of nitrogen for plant growth. Anhydrous ammonia is caustic, corrosive, and damaging to tissue high in moisture content when it contacts the human body. Because it does not contain water, it will absorb moisture from any source, including human tissues, causing severe burns. Safe program svsd 0510 salinas valley ammonia safety day. Product identifier and company identification product name. Anhydrous ammonia, ammonia gas, amfol, nitrosil, aqua ammonia, spirit of.
886 1532 599 1036 577 1079 120 1424 1341 1346 222 1080 325 598 1367 1413 793 1277 542 259 330 1429 1193 234 875 685 1394 73 1237 1550 349 8 145 736 517