ASTM D2914-15 PDF

Scope: 5.1 Sulfur dioxide is a major air pollutant, commonly formed by the combustion of sulfur-bearing fuels. The Environmental Protection Agency (EPA) has set primary and secondary air quality standards (7) that are designed to protect the public health and welfare.

5.2 The Occupational Safety and Health Administration (OSHA) has promulgated exposure limits for sulfur dioxide in workplace atmospheres (8).

5.3 These methods have been found satisfactory for measuring sulfur dioxide in ambient and workplace atmospheres over the ranges pertinent in 5.1 and 5.2.

5.4 Method A has been designed to correspond to the EPA-Designated Reference Method (7) for the determination of sulfur dioxide.

1.1 These test methods cover the bubbler collection and colorimetric determination of sulfur dioxide (SO₂) in the ambient or workplace atmosphere.

1.2 These test methods are applicable for determining SO₂ over the range from approximately 25 μg/m³ (0.01 ppm(v)) to 1000 μg/m³ (0.4 ppm(v)), corresponding to a solution concentration of 0.03 μg SO₂/mL to 1.3 μg SO₂/mL. Beer's law is followed through the working analytical range from 0.02 μg SO₂/mL to 1.4 μg SO₂/mL.

1.3 The lower limit of detection is 0.075 μg SO₂/mL (1),2 representing an air concentration of 25 μg SO₂/m³ (0.01 ppm(v)) in a 30–min sample, or 13 μg SO₂/m³ (0.005 ppm(v)) in a 24–h sample.

ASTM D2914-15 Referenced Document

ASTM D1193 Standard Specification for Reagent Water
ASTM D1356 Standard Terminology Relating to Sampling and Analysis of Atmospheres*， 2024-04-20 Update
ASTM D1357 Standard Practice for Planning the Sampling of the Ambient Atmosphere
ASTM D1914 Standard Practice for Conversion Units and Factors Relating to Sampling and Analysis of Atmospheres
ASTM D3195 Standard Practice for Rotameter Calibration
ASTM D3609 Standard Practice for Calibration Techniques Using Permeation Tubes
ASTM D3631 Standard Test Methods for Measuring Surface Atmospheric Pressure
ASTM E1 Standard Specification for ASTM Thermometers
ASTM E2251 Standard Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids
ASTM E275 Standard Practice for Describing and Measuring Performance of Ultraviolet, Visible, and Near-Infrared Spectrophotometers

2022 ASTM D2914-15(2022) Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
2015 ASTM D2914-15 Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
2001 ASTM D2914-01(2007) Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
2001 ASTM D2914-01 Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
1995 ASTM D2914-95 Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)