Dofasco Acid STSE
1. Summarize this article in your own words. Include all the main points. (4)
On September 7, a burst pipe at ArcelorMittal Dofasco sprayed hydrochloric acid mist through the Crown Point neighbourhood, which runs south of the plant. The Hamilton’s public health department is gathering information on this incident and its impact on the neighbourhood from the Ministry of Environment and ArcelorMittal. Evidence of the leak was witnessed across Crown Point neighbourhood. Residents didn’t think much about it initially, but they soon began to notice an “acid” taste in the air; there was a funny smell. Then in a night or two, a discoloured Dofasco building was seen. Along with these visible changes, the hydrochloric acid left marks …show more content…
What are the exposure limits for hydrochloric acid? Explain what the terms/measurements used for exposure limits mean. (Research) (3)
First of all, an exposure limit is the maximum amount of exposure a person can handle without putting their health to risk. The limits that a person can remain exposed to hydrochloric acid are that in NIOSH REL it is C 5 ppm (7 mg/m³) and in OSHA PEL it is C 5 ppm (7 mg/m³). These measurements show that the limit to which a person can safely remain exposed to hydrochloric acid is 5 parts of hydrogen chloride per million parts of air which is measured in ppm or it can also be said as 7 milligrams of hydrogen chloride in every cubic meter of air (mg/m³).
NIOSH REL is a term that comes from the National Institute for Occupational Safety and Health where recommended exposure limits also known as RELS are set out for specific substances that are a part of the …show more content…
This overexposure can occur because of inhalation, ingestion or eye/skin contact. Overexposure to hydrochloric acid has both short term and long term effects. Being in contact with the acid for a short time can cause throat irritation with a burning feeling, eye irritation, choking and coughing, Difficulties in breathing and ulcers can form in the nose or throat because of short-term exposure to hydrochloric acid. A person can also lose their sight permanently and severe burns can occur in the affected rea, unless washed. Ingestion of this acid can burn the mouth, throat or stomach. Long term exposure to hydrochloric acid can cause erosion of the teeth and discoloration. Also, if the skin comes in contact with the acid, often skin rashes are likely to form. All of these effects can be prevented if you follow the exposure
1. Summarize this article in your own words. Include all the main points. (4)
On September 7, a burst pipe at ArcelorMittal Dofasco sprayed hydrochloric acid mist through the Crown Point neighbourhood, which runs south of the plant. The Hamilton’s public health department is gathering information on this incident and its impact on the neighbourhood from the Ministry of Environment and ArcelorMittal. Evidence of the leak was witnessed across Crown Point neighbourhood. Residents didn’t think much about it initially, but they soon began to notice an “acid” taste in the air; there was a funny smell. Then in a night or two, a discoloured Dofasco building was seen. Along with these visible changes, the hydrochloric acid left marks …show more content…
What are the exposure limits for hydrochloric acid? Explain what the terms/measurements used for exposure limits mean. (Research) (3)
First of all, an exposure limit is the maximum amount of exposure a person can handle without putting their health to risk. The limits that a person can remain exposed to hydrochloric acid are that in NIOSH REL it is C 5 ppm (7 mg/m³) and in OSHA PEL it is C 5 ppm (7 mg/m³). These measurements show that the limit to which a person can safely remain exposed to hydrochloric acid is 5 parts of hydrogen chloride per million parts of air which is measured in ppm or it can also be said as 7 milligrams of hydrogen chloride in every cubic meter of air (mg/m³).
NIOSH REL is a term that comes from the National Institute for Occupational Safety and Health where recommended exposure limits also known as RELS are set out for specific substances that are a part of the …show more content…
This overexposure can occur because of inhalation, ingestion or eye/skin contact. Overexposure to hydrochloric acid has both short term and long term effects. Being in contact with the acid for a short time can cause throat irritation with a burning feeling, eye irritation, choking and coughing, Difficulties in breathing and ulcers can form in the nose or throat because of short-term exposure to hydrochloric acid. A person can also lose their sight permanently and severe burns can occur in the affected rea, unless washed. Ingestion of this acid can burn the mouth, throat or stomach. Long term exposure to hydrochloric acid can cause erosion of the teeth and discoloration. Also, if the skin comes in contact with the acid, often skin rashes are likely to form. All of these effects can be prevented if you follow the exposure