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Juab County Derailment

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Rail line at location of derailment, looking north at the derailed cars.<br />Date Taken: 3/31/2019<br />Category: Assessment<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
4 of 9 propane cars derailed on site.<br />Date Taken: 3/31/2019<br />Category: Assessment<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Damage to the outer skin of a propane rail car.<br />Date Taken: 3/31/2019<br />Category: Assessment<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Frost generated by auto-refrigeration of leaking propane around a damaged rail car.<br />Date Taken: 3/31/2019<br />Category: Assessment<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Extent of frost generated by auto-refrigeration of leaking propane around damaged rail cars.<br />Date Taken: 3/31/2019<br />Category: Assessment<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Berm placed around the relocated phosphoric acid rail car.<br />Date Taken: 3/31/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Overview of train derailment site.<br />Date Taken: 3/31/2019<br />Category: Assessment<br />Latitude: 39.7552444444444<br />Longitude: -112.201347222222<br />Tags:
Leaking diesel rail car. Leak is from the dome of the rail car.<br />Date Taken: 3/31/2019<br />Category: Assessment<br />Latitude: 39.7555972222222<br />Longitude: -112.201966666667<br />Tags:
Area of propane leak from beneath one of the propane rail cars. Note the auto-refrigeration is still occurring approximately 30 hours after the derailment.<br />Date Taken: 3/31/2019<br />Category: Assessment<br />Latitude: 39.7555972222222<br />Longitude: -112.201966666667<br />Tags:
Phosphoric Acid car valve dome with added steel plate for extra thermal protection behind a large berm to insulate the car from the vent/burn operation.<br />Date Taken: 3/31/2019<br />Category: Assessment<br />Latitude: 39.7557805555556<br />Longitude: -112.201997222222<br />Tags:
Large berm protecting the Phosphoric Acid car (right) from the area where the propane and diesel will be ignited.<br />Date Taken: 3/31/2019<br />Category: Removal<br />Latitude: 39.755725<br />Longitude: -112.201727777778<br />Tags:
Image of the vent/burn operation.<br />Date Taken: 3/31/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Image of the vent/burn operation.<br />Date Taken: 3/31/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Image of the vent/burn operation.<br />Date Taken: 3/31/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Image of the vent/burn operation.<br />Date Taken: 3/31/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Image of the vent/burn operation.<br />Date Taken: 3/31/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Incident scene approximately post vent/burn. Remaining flame is the result of one charge not venting the liquid in the tank, forcing it to release as a vapor. The product was released at a much slower rate, and is being allowed to burn off.<br />Date Taken: 4/1/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Post burn image of the known leaking car. Original leak forced high pressure propane into to soil, freezing it. The remaining flame near the wheel set is believed to result from this propane slowly releasing from the soil.<br />Date Taken: 4/1/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Post burn image of the known leaking car. Original leak forced high pressure propane into to soil, freezing it. The remaining flame near the wheel set is believed to result from this propane slowly releasing from the soil.<br />Date Taken: 4/1/2019<br />Category: Removal<br />Latitude: 39.7553222222222<br />Longitude: -112.201652777778<br />Tags: Site File
Phosphoric Acid car post burn. Car appears intact and the burst disk (an emergency pressure relief device) did not burst, indicating that the thermal protection constructed before the vent/burn operation last night were successful and the product remained in the car.<br />Date Taken: 4/1/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File
Wider angle view of the phosphoric acid car, showing burned/bubbled paint but little additional damage or obvious large release.<br />Date Taken: 4/1/2019<br />Category: Removal<br />Latitude: 39.7553666666667<br />Longitude: -112.201827777778<br />Tags: Site File





Rail line at location of derailment, looking north at the derailed cars. 4 of 9 propane cars derailed on site. Damage to the outer skin of a propane rail car. Frost generated by auto-refrigeration of leaking propane around a damaged rail car. Extent of frost generated by auto-refrigeration of leaking propane around damaged rail cars. Berm placed around the relocated phosphoric acid rail car. Overview of train derailment site. Leaking diesel rail car. Leak is from the dome of the rail car. Area of propane leak from beneath one of the propane rail cars. Note the auto-refrigeration is still occurring approximately 30 hours after the derailment. Phosphoric Acid car valve dome with added steel plate for extra thermal protection behind a large berm to insulate the car from the vent/burn operation. Large berm protecting the Phosphoric Acid car (right) from the area where the propane and diesel will be ignited. Image of the vent/burn operation. Image of the vent/burn operation. Image of the vent/burn operation. Image of the vent/burn operation. Image of the vent/burn operation. Incident scene approximately post vent/burn. Remaining flame is the result of one charge not venting the liquid in the tank, forcing it to release as a vapor. The product was released at a much slower rate, and is being allowed to burn off. Post burn image of the known leaking car. Original leak forced high pressure propane into to soil, freezing it. The remaining flame near the wheel set is believed to result from this propane slowly releasing from the soil. Post burn image of the known leaking car. Original leak forced high pressure propane into to soil, freezing it. The remaining flame near the wheel set is believed to result from this propane slowly releasing from the soil. Phosphoric Acid car post burn. Car appears intact and the burst disk (an emergency pressure relief device) did not burst, indicating that the thermal protection constructed before the vent/burn operation last night were successful and the product remained in the car. Wider angle view of the phosphoric acid car, showing burned/bubbled paint but little additional damage or obvious large release.