PREVIEW OF

EMERGENCY TO ANHYDROUS AMMONIA

INCIDENTSPOWERPOINT TRAINING

PRESENTATION

GOALS

To understand the safe response to an anhydrous ammonia spill or leak

OVERVIEW

Anhydrous Ammonia is used in farming and industry

Farming it is injected (knifed) into the ground as a fertilizer

Industry uses it as a refrigerant and in chemical processing

HEALTH HAZARDS

Rapidly fatal at concentrations of 5,000 to 10,000 ppm

Immediately fatal at concentrations exceeding 10,000 ppm

TREATMENT

Basic Life Support Maintain airway and give oxygen as necessaryMonitor for pulmonary edema and shockFlush eyes if necessary with normal salineFor ingestion if patient can swallow give 5 ml/kg

water up to 200 mlDo not attempt to neutralize

FIREFIGHTING

Extinguishing Media:Small Fire: Dry chemical or CO2

Large Fire: Water spray, fog, or foam

Do not spray directly on liquid ammonia

CHEMICAL DANGERS

Ammonia is corrosive to copper and galvanized surfaces

When heated it decomposes it emits toxic fumes and nitrogen oxides

Liquid ammonia will attack some forms of plastics, rubber, and coatings

PHYSICAL DANGERS

Ammonia gas is lighter than airWhen compressed liquefied ammonia gas

escapes a cylinder and comes in contact with moisture will form ammonia fog and remain low to the ground

In enclosed spaces gas will quickly become dangerous

TRANSPORT

Photo courtesy USDOT

REGULATORY REQUIREMENTS

OSHA 1910.111Releases over 100 lbs. must be reported to

National Response CenterSubject to reporting requirements under SARA

Title IIIEPCRA extremely hazardous substance TQ 500

lbs.Regulated under Clean Air Act 40 CFR 112(r) TQ

10,000 lbs.

STREET DRUGS

Anhydrous Ammonia is used as a component in making Methamphethine

Users have been required to increase security to prevent theft

Stolen Ammonia is easily transported as it containers use the same fittings as Propane

Consumer propane tanks may have a green tarnish on valves as ammonia reacts with the brass

CONFINED SPACES

Entry into confined spaces that may contain ammonia is considered by OSHA a permit required confined space entry

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