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AQ 1080-2009Setermination method for index (ΔP) of initial velocity of diffusion of coal gas (English PDF)

煤的瓦斯放散初速度指标（ΔP）测定方法

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Issued by

State Administration of Work Safety

Level / Type

National · Mandatory

Issue date

December 11, 2009

Implementation date

July 1, 2010

Scope

AQ 1080-2009 is the English-translated version of 煤的瓦斯放散初速度指标（ΔP）测定方法.

AQ 1080-2009 — This standard specifies the determination of the initial velocity of coal- gas emission targets on-site sampling, storage, sample preparation and measurement methods, measuring instruments, measurement procedures and results presentation.

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Document preview — AQ 1080-2009

National Standard of the People's Republic of China

ICS: 13.100
Classification: D 09

Issued by: State Administration of Work Safety

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the determination of the initial velocity of coal- gas emission targets on-site sampling, storage, sample preparation and measurement methods, measuring instruments, measurement procedures and results presentation. This standard applies to the initial velocity of the coal gas emission targets (�p) Laboratory determination.

Document data

International classification (ICS): 13.100.

Chinese classification (CCS): D09.

Estimated length of the Chinese original: 11,159 words.

Standards quoted by this document

GB 474; GB/T 477; GB 482

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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