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AS 3580.11.1-1993

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods for sampling and analysis of ambient air Determination of volatile organic compounds - Methane and non-methane volatile organic compounds - Direct-reading instrumental method

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

02-15-2023

Language(s)

English

Published date

01-01-1993

1 - AS 3580.11.1-1993 METHODS FOR SAMPLING AND ANALYSIS OF AMBIENT AIR - DETERMINATION OF VOLATILE ORGANIC COMPOUNDS-METHANE...
1 - PREFACE
1 - FOREWORD
2 - METHOD
2 - 1 SCOPE
2 - 2 APPLICATION
2 - 3 REFERENCED DOCUMENTS
2 - 4 DEFINITIONS
2 - 5 PRINCIPLE
3 - 6 REAGENTS
3 - 6.1 Hydrogen
3 - 6.2 Carrier gas
3 - 7 APPARATUS
3 - 7.1 Filter assembly
3 - 7.2 Analyser
6 - 7.3 Performance requirements
6 - 8 SAMPLING
6 - 8.1 General
6 - 8.2 Sampling train
6 - 9 CALIBRATION
6 - 9.1 Initial and bimonthly performance calibration
7 - 9.2 Operational recalibration
7 - 10 PROCEDURE
8 - 11 CALCULATION AND EXPRESSION OF RESULTS
8 - 12 PRECISION
8 - 13 TEST REPORT

Sets out a method for continuous or intermittent sampling and determination of methane and non-methane volatile organic compounds using a direct-reading instrument. The method is applicable to air with a methane concentration in the range of 0 to 10 ppm, or non-methane volatile organic compounds of equivalent carbon content.

This Standard sets out a method for determining methane and non-methane volatile organic compounds in ambient air. The volatile organic compound (VOC) content of the air is measured using an automatic or intermittent sampling direct-reading instrument containing a flame ionization detector (FID) and the results obtained are reported as a methane equivalent response. The analysis is sensitive to all hydrocarbons,but it will also respond to almost all organic compounds and will yield responses more or less depending on the number of carbon to hydrogen bonds in the compound. Empirical data generally show that the relative sensitivity to various hydrocarbons is about equal on a carbon mass basis. Unsaturated, oxygenated and halogenated compounds give a lower response.

Committee
EV-007
DocumentType
Standard
ISBN
0 7262 8149 2
Pages
8
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

First published as AS 3580.11.1-1993.

AS 2850-1986 Chemical analysis - Interlaboratory test programs - For determining precision of analytical method(s) - Guide to the planning and conduct
AS 3580.2.2-1990 Methods for sampling and analysis of ambient air Preparation of reference test atmospheres - Compressed gas method
AS 3580.4.1-1990 Methods for sampling and analysis of ambient air Determination of sulfur dioxide - Direct reading instrumental method
AS 2922-1987 Ambient air - Guide for the siting of sampling units

AS/NZS 3580.1.1:2007 Methods for sampling and analysis of ambient air Guide to siting air monitoring equipment
AS/NZS 3580.9.13:2013 Methods for sampling and analysis of ambient air Determination of suspended particulate matter - PM2.5 continuous direct mass method using a tapered element oscillating microbalance monitor

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