CIRO Ammonia Safety & Emergency Response 2

Question 1

What are the symptoms of ammonia exposure at various concentration levels?

Accepted Answer

25-50 ppm: eye/throat irritation; 100-200 ppm: severe irritation; 300+ ppm: immediately dangerous; 2500+ ppm: rapidly fatal

Answer

Ammonia has no health effects below 500 ppm

Answer

Only skin irritation occurs at any concentration

Answer

Ammonia exposure only affects the eyes

Question 2

What type of ammonia detector should be installed in a machine room?

Accepted Answer

Continuous ammonia monitoring system with alarms at 25 ppm and 150 ppm, connected to ventilation and alarm systems

Answer

No detectors are required

Answer

Only portable hand-held detectors

Answer

Carbon monoxide detectors are sufficient

Question 3

What is the proper storage requirement for ammonia cylinders?

Accepted Answer

Stored upright, secured from falling, in well-ventilated areas away from heat sources and incompatible materials, with proper labeling

Answer

Laid on their sides in any location

Answer

Inside enclosed unventilated rooms

Answer

Near heat sources for easy visibility

Question 4

What first aid should be administered for ammonia skin contact?

Accepted Answer

Immediately flush the affected area with large amounts of lukewarm water for at least 15-20 minutes and remove contaminated clothing

Answer

Apply ice to the affected area

Answer

Cover with petroleum jelly

Answer

Do not wash; let the ammonia evaporate naturally

Question 5

What is a Process Hazard Analysis (PHA) in the context of ammonia systems?

Accepted Answer

A systematic evaluation of potential causes and consequences of fires, explosions, and toxic releases from ammonia systems

Answer

A financial analysis of system costs

Answer

A maintenance inspection checklist

Answer

A performance test of compressor efficiency

Question 6

What is the purpose of emergency ventilation in an ammonia machinery room?

Accepted Answer

To rapidly dilute and remove ammonia vapor in case of a leak, reducing concentrations to safe levels

Answer

To provide heating for the machinery room

Answer

To cool the compressors during operation

Answer

To circulate air for employee comfort