b'Incident Response Stepsriskyouwillbetakingandhelpyouselectthebest course of action with the least risk. Use caution as you may Locate a pipeline marker sign to identify the pipe- encounter:lineproduct,operatorand24-houremergency Flammable atmospheresphone number. Hydrogen sulfide (H 2 S)in crude oil/natural gas Call the emergency phone number to report thepipelinesincident to the pipeline operators control center.Anhydrous ammoniaControl center personnel may provide addi tionalpipelinesinformationaboutthepipelineproductanditsOxygen deficient/enriched hazards. atmospheres Use the DOT Emergency Response Guidebook toNatural gas migrating identifypotential hazards, establish initial isola- underground into adjacent tiondistances,anddetermineresponsetactics.buildings Additional information is contained in Appendix A, B, C and E of this guide. Use air-monitoring equipment appropriatetothe materialsin the pipeline. Do NOT assume gases orvaporsare harmless because ofa lackofsmell or quick desensitization to the strong odors of materials such as hydrogen sulfide or anhydrous ammonia.Use the highest level of precaution and protection until you know the area is safe of flammable, toxic, mechanized and electrical hazards.Step 4. Assess the SituationIs there a fire, spill or leak?Is there a vapor cloud? https://vimeo.com/435311249What are the weather conditions?What direction is the wind blowing?What is the terrain like?Who and what is at risk: people, property or environment?What actions should be taken: evacuation, shelter in-place or diking?What human/equipment resources are required?Step 5.Obtain Assistance from Trained PersonnelContact Your OrganizationAs soon as possible, contact your organization. This will set in motion a series of events ranging from dispatching additional trained personnel to the scene to activating the local emergency response plan. Ensure that other local emergency response departments have been notified. https://vimeo.com/43531142221 2020 by Pipeline Association for Public AwarenessPERG 2020 Final.indd 21 8/5/20 4:17 PM'