Read Hours passed before cow deaths reported by Alisa Stingley:

When no state agency would take responsibility for determining the cause of death of the cows, Prator concluded that chemicals in the spill killed the cows.

The regional DEQ office found elevated chlorides, a salt, as well as oil and grease and some organic compounds in soil and water tests. Potassium chloride can be added to the fluids used during stages of the hydraulic fracturing process used to reach natural gas trapped in underground shale.

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