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GB 40880-2021

Specification for coal mine gas classification identification

煤矿瓦斯等级鉴定规范

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Explanation

GB 40880-2021 is a current mandatory Chinese national standard for Specification for coal mine gas classification identification. It appears in the Food compliance cluster with a product safety focus and has an implementation date of May 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 contactChemicalsMachinery & industrial equipmentEnvironment & energyProduct safetyLabeling & classificationTesting methodsEnvironmental protectionOccupational safety
Type
Method
CCS
D09
ICS
13.100
Competent department
National Mine Safety Administration
Technical committee
National Mine Safety Administration