Evacuation Order Lifted Near Williams Northwest Pipeline - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Evacuation Order Lifted Near Williams Northwest Pipeline

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The evacuations that were in effect due to the explosion at the Williams Northwest Pipeline Monday have been lifted and residents are free to return home. The evacuations that were in effect due to the explosion at the Williams Northwest Pipeline Monday have been lifted and residents are free to return home.

PLYMOUTH, WA - The evacuations that were in effect due to the explosion at the Williams Northwest Pipeline near Plymouth Monday have been lifted and residents are free to return home.

All road closures, with the exception of Christie Road leading to the Williams plant, have been removed. The Williams Northwest Pipeline area still remains closed Tuesday.

Railroad restrictions have been modified and will resume at a reduced speed through the area. Due to the previous rail traffic closure, train traffic will be heavy. Many of the railroad crossings in that area are uncontrolled crossings, so please look before you cross the tracks.

Residents in the Plymouth area may notice a white substance blowing around. This substance is called perlite, which is a dust-like product within the insulation that was between the two layers of the storage tank. When the tank was damaged, it caused some of this material to be released into the environment. This material is non-toxic, but can act as a minor irritant when exposed to skin or eyes, similar to blowing sand.

Responders are still on scene and will continue to work with Williams personnel to mitigate the continued release from the damaged storage tank.

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