How to Handle an Emergency
| MarkWest Emergency Numbers by State | |
| Kentucky | (877) 675-9378 |
| Michigan | (866) 342-6914 |
| New Mexico | (800) 852-9225 |
| Oklahoma | (800) 852-9225 |
| Pennsylvania | (866) 342-6914 |
| Texas (East Texas) | (800) 677-6360 |
| Texas (Javelina) | (361) 289-4960 |
| Texas (Pinnacle) | (800) 852-9225 |
| West Virginia | (877) 675-9378 |
General Public and Excavators
- Immediately leave the area, on foot in an upwind direction
- Avoid making contact with escaping liquids or vapors
- Avoid possible ignition sources
- Abandon all equipment being used in the area
- Do not drive into the area (where the leak or vapor cloud is located)
- Do not light a match, start an engine or automobile, use a telephone, or switch on/off an electric light
- Warn others to stay away from the area
- Do not try to operate any pipeline valves yourself
- Do not use a cell phone while near the suspected emergency area
- From a safe distance dial 911 and call the MarkWest 24-hour emergency number
Public Officials and Emergency Responders
- Evacuate people (homes, businesses, schools... etc.) to an upwind area
- Secure area around the leak
- If the pipeline leak is not burning, take steps to prevent ignition by prohibiting smoking, rerouting traffic, and/or shutting off electricity and residential gas/liquid supply
- If the pipeline is burning, take steps to prevent secondary fires, but do not attempt to extinguish a pipeline fire unless asked to do so by MarkWest
- Do not try to operate any pipeline valves yourself (unless directed by MarkWest)
- Call the MarkWest 24-hour emergency number as soon as possible
- Administer medical treatment and request additional emergency response assistance as necessary