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Arrest


Fish kill - mass mortality of fish and other hydrobionts caused by a sudden change in the gas or chemical composition of water, including a decrease in the content of dissolved oxygen in water

Source: "RD 51-2-95. Regulation on the Implementation of Ecological Requirements for the Location, Design, Construction and Operation of Underwater Crossings of Main Gas Pipelines"

(approved by Order of PJSC Gazprom dated August 8, 1995)

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