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KA 30-2026Technical specification of ventilation in metal and nonmetal underground mines (English PDF)

金属非金属地下矿山通风技术规范

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Issued by

National Mine Safety Administration

Level / Type

National · Mandatory

Issue date

January 25, 2026

Implementation date

March 1, 2026

Scope

KA 30-2026 is the English-translated version of 金属非金属地下矿山通风技术规范.

KA 30-2026 — This standard specifies requirements for ventilation systems, local ventilation, system testing, management, and assessment indicators for underground metal and non-metal mines (including those with associated radon and its progeny), and describes the corresponding verification methods.

This document applies to the entire operational lifecycle��design, construction, extraction, and closure��of underground metal and non-metal mines (including those with associated radon and its progeny).

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Document preview — KA 30-2026

National Standard of the People's Republic of China

ICS: 13.100
Classification: D 09
Replacing: AQ 2013.1-2008, AQ 2013.2-2008, AQ 2013.3-2008, AQ 2013.4-2008, AQ 2013.5-2008

Issued by: National Mine Safety Administration

[Preview only]
1 Scope
2 Normative References
2.1 Terms
3 Terms and Definitions
4 Overview
4.1 General requirements
5 Technical Requirements
6 Calibration conditions
6.1 Environmental conditions
6.2 Measurement standards and other equipment
7 Calibration items and calibration methods
7.1 Calibration Items
7.2 Calibration method
8 Expression of calibration results
9 Recalibration interval

1 Foreword

KA 30-2026 was issued by National Mine Safety Administration on 25 January 2026 and has been in force since 1 March 2026.

It replaces the earlier edition AQ 2013.1-2008, AQ 2013.2-2008, AQ 2013.3-2008, AQ 2013.4-2008, AQ 2013.5-2008.

The document runs to 13 pages in English translation.

2 Scope Preview

This standard specifies requirements for ventilation systems, local ventilation, system testing, management, and assessment indicators for underground metal and non-metal mines (including those with associated radon and its progeny), and describes the corresponding verification methods. This document applies to the entire operational lifecycle��design, construction, extraction, and closure��of underground metal and non-metal mines (including those with associated radon and its progeny). It also applies to underground shaft and tunnel operations in open-pit mines.

KA 30-2026 falls under ICS 13.100, in the field of environment and health protection, safety.

This catalogue holds 27 other KA standards in that field.

In this catalogue, KA standards carry edition years from 2025 to 2026.

3 About this standard

Issued by: National Mine Safety Administration

English translation: about 13 pages

Chinese original: about 20,276 characters

Supersedes the earlier edition AQ 2013.1-2008, AQ 2013.2-2008, AQ 2013.3-2008, AQ 2013.4-2008, AQ 2013.5-2008.

4 Related standards

Standards on related subjects:

AQ 1043-2007 — Mining Products Safety Label

AQ 6206-2006 — Coal mine high-low concentration methane transducer

KA 36-2026 — Evaluation of rock burst risk based on comprehensive index method

KA 29-2026 — Technical specifications for underground staged hydraulic fracturing in coal seam directional long boreholes

KA 28-2026 — Methods for evaluating coal seam outburst risk

5 Classification and status

International classification (ICS): 13.100

Chinese Standard Classification (CCS): D 09

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

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