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GB 41022-2021

Basic index of coal mine gas drainage and exploition

煤矿瓦斯抽采基本指标

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Explanation

GB 41022-2021 is a current mandatory Chinese national standard for Basic index of coal mine gas drainage and exploition. It appears in the Food compliance cluster with a product safety focus and has an implementation date of Jun 1, 2022.

Applicability depends on product scope, certification route, competent authority notices and transition rules. Verify against the official source before using this record in a compliance decision.

Applicability hints

Food & food contactMachinery & industrial equipmentEnvironment & energyProduct safetyTesting methodsEnvironmental protectionOccupational safety
Type
Method
CCS
D09
ICS
13.100
Competent department
National Mine Safety Administration
Technical committee
National Mine Safety Administration