Standard
UPDATE AVAILABLE
AS 3580.5.1-2011
[Superseded]Methods for sampling and analysis of ambient air, Method 5.1: Determination of oxides of nitrogen — Direct-reading instrumental method
Sets out a method for the determination of the concentration of oxides of nitrogen in ambient air. The method is applicable to ambient air containing oxides of nitrogen at a concentration of less than 1 p.p.m. by volume (less than 1 mL/m(sup)3(/sup)). Nitric oxide (NO) and total oxides of nitrogen (NO(sub)´(/sub)) may be measured.
Published: 09/08/2011
Pages: 16
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Apparatus
5.1 Instrument
5.2 Zero air
5.3 Reference test atmosphere
5.4 Level 1 span and zero calibrations
5.5 Level 1 span and zero checks
5.6 Level 2 span and zero checks
6 Sampling
6.1 Location
6.2 Sampling train
6.3 Sampling environment
7 Procedure
7.1 Instrument calibration
7.1.1 General
7.1.2 Zero and span calibration
7.1.3 Multipoint precision check
7.1.4 Determination of converter efficiency
7.1.4.1 General
7.1.4.2 Single point converter efficiency check
7.1.4.3 Multipoint converter efficiency calibration
7.1.5 Operational precision checks
7.1.6 Operational recalibration
7.2 Instrument operation
8 Calculation and expression of results
9 Measurement uncertainty
10 Quality control and assurance
10.1 Instrument and station log
10.2 Proficiency audits
10.3 Data acquisition and transfer
10.4 Data validation
11 Test report
Bibliography
Cited references in this standard
US EPA 40 CFR
US Code of Federal Regulations, Title 40—Protection of Environment, Part 53—Ambient Air Monitoring Reference and Equivalent Methods
[Current]
Methods for sampling and analysis of ambient air, Method 2.2: Preparation of reference test atmospheres — Compressed gas method
[Current]
Methods for sampling and analysis of ambient air, Part 1.1: Guide to siting air monitoring equipment
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