The potential incident analysis (PIA) can be a stand-alone document or incorporated into your emergency response assistance plan (ERAP). There is no specific format for a PIA. However, you can use the following example of a completed scenario as a starting point.
Example of a complete scenario
Title: potential incident analysis (PIA) for Chem Industries Inc. ERAP 2-XXXX
Scenario 1
Anticipated release of dangerous goods: TC412 carrying hydrochloric acid involved in a rollover (e.g., slid down an embankment and is currently five feet below grade on its side) with no apparent loss of contents.
Consequences
Possible injury to driver and other persons
Possible damage to property
Vapours are toxic: inhaling of vapours could produce irritation to respiratory system
Product is corrosive: contact could result in burns to skin tissues and eyes
Means of containment may be precariously positioned
Integrity of the means of containment may be compromised
Possibility of a leak due to container not being upright
Valves and fittings may be inaccessible or may not function as designed
Means of containment may need to be repositioned to facilitate off-loading
Possibility of other fluids from the vehicle being released (e.g., fuel, brake fluid, coolant, etc.)
Road closures
Public concern about the dangerous good
First Responders may not have been trained to respond to a hydrochloric acid release
Municipal first responders
Response tiers
Measures to be taken
Not applicable
Provide medical attention to affected individuals
Close roadways and provide detours around the incident site
Establish a safety perimeter
Evacuate or shelter-in-place the public, as needed
Provide water fog for vapour knockdown, as needed
Carrier
Response tiers
Measures to be taken
Not applicable
Ensure public safety by reducing or eliminating any hazards based on the training and the personal protection equipment (PPE) available to them
Phone the ERAP telephone number, if able, to provide an ERAP incident report to Chem Industries Inc.
Provide the shipping document to the authority having jurisdiction (AHJ)/Incident Commander (IC)
Provide information on the cause of the incident
Provide information on the means of containment to the AHJ/IC and/or ERAP team leaders
Aid in the damage assessment of the means of containment, if trained to do so
Senior management of Chem Industries Inc. (President and Environment Health and Safety Manager)
Response tiers
Measures to be taken
Tier 1 and Tier 2
If they received the ERAP incident report in lieu of the ERAP technical advisor, then:
Confirm incident details with the carrier and fill out an incident assessment formFootnote *
File an ERAP implementation report with the Canadian Transport Emergency Centre (CANUTEC) when implementing the ERAP to either Tier 1 or Tier 2 and contact ERAP team leaders, ERAP response teams and/or mutual aid partner, if needed
Maintain contact with the incident site through the AHJ/IC, carrier, ERAP technical advisors or ERAP team leaders
Source alternate compatible and compliant means of containment if a transfer is needed and ensure the driver is trained to transport dangerous goods.
Source heavy equipment to upright the means of containment when safe to do so
ERAP technical advisor
Response tiers
Measures to be taken
Tier 1 and Tier 2
After receiving the ERAP incident report from the carrier
fill out the incident assessment form*
make an ERAP implementation report with CANUTEC when implementing the ERAP to either Tier 1 or Tier 2, and
contact ERAP team leaders, ERAP response teams and/or mutual aid partner, if needed
Maintain contact with the incident site through the AHJ/IC, carrier or ERAP team leaders
Provide the incident assessment form*, safety data sheet, Emergency Response Guidebook guide 157 and other relevant technical information for the dangerous goods to the AHJ/IC and/or ERAP team leaders
Provide signs and symptoms of exposure to the AHJ/IC and/or ERAP team leaders
Provide information on the means of containment to the AHJ/IC and/or ERAP team leaders
Provide neutralization advice to the AHJ/IC and/or ERAP team leaders
Provide decontamination advice to the AHJ/IC and/or ERAP team leaders
Tier 2 only
Mobilize and deploy to the incident site if requested by the ERAP team leaders or senior management of Chem Industries Inc.
Once present, provide advice on the dangerous good or means of containment, as needed
ERAP team leaders
Response tiers
Measures to be taken
Tier 1 and Tier 2
Provide emergency response advice to the AHJ/IC and/or ERAP technical advisor, as needed
Maintain contact with the incident site through the AHJ/IC, carrier or ERAP technical advisors
Tier 2 only
Mobilize and deploy to the incident site if requested by the ERAP technical advisor or senior management of Chem Industries Inc.
Ensure all necessary equipment is deployed to the incident site
Wear appropriate PPE as dictated by monitoring results and/or the site safety plan
Monitor for presence of dangerous good using pH paper and/or hydrochloric acid gas detection tubes
Perform a site assessment (may be done with appropriately qualified and trained responders)
Perform damage assessment (may be done with appropriately qualified and trained personnel)
Develop site safety plan and do the safety briefing for all those involved in each operational period
Develop the incident action plan for the upcoming operational period for the AHJ/IC
Ensure standard operating procedures are followed for the response actions performed by the ERAP response team
Ensure that decontamination is set up prior to entry to the hot zone.
Perform necessary response actions with ERAP response team, if needed
Ensure any transferred or repackaged dangerous goods are safe for transport and are compliant
Ensure any waste generated during the response is packaged properly and taken to an appropriate facility
Work with the carrier, AHJ/IC, and other trained persons (e.g. heavy tow truck operators) to ensure public safety during the reorientation of the means of containment
ERAP response team
Response tiers
Measures to be taken
Tier 2 only
Wear appropriate PPE as dictated by monitoring results and/or the site safety plan
Monitor for presence of dangerous good using pH paper and/or hydrochloric acid gas detection tubes
Confinement – defensive measure (i.e., damming, diking, etc.) to ensure that if a release happens, it or any runoff from vapour knockdown is confined to a defined and manageable area away from the public, waterways, sewers and other exposures
Containment – if the means of containment has been breached, tighten or repair valves. Plugging and/or patching may be done to reduce or eliminate the release
Transfer the product – truck to truck transfer done following the standard operating procedure (including grounding and bonding)
Neutralize the product or its residues, if necessary
Decontaminate personnel and equipment
Mutual aid partner
Response tiers
Measures to be taken
Tier 1 and Tier 2
Provide emergency response advice to the AHJ/IC and/or ERAP technical advisor, as needed
Tier 2 only
Mobilize and deploy resources to the incident site, if requested by Chem Industries Inc.
Work with the ERAP team leaders and ERAP response team to perform any defensive or offensive response actions listed above, as needed