ASTM D6735-01(2009)

Standard Test Method for Measurement of Gaseous Chlorides and Fluorides from Mineral Calcining Exhaust Sources—Impinger Method (Withdrawn 2018)

SIGNIFICANCE AND USE
This field-test method provides chloride and fluoride concentration results on a dry basis. Concentration data for gaseous chlorides and fluorides are assumed to be hydrochloric acid gas, and hydrofluoric acid gas when calculating mass emission rates.
Mass emission rates of HCl and HF can be calculated if the effluent volumetric flow rate is known. Volumetric flow rates can be calculated by conducting EPA Methods 1–4 or their equivalents.
This field test method provides data having bias and precision for HCl consistent with the values in Section 14. In addition, the test-specific bias can be assessed for each test by conducting the post-test quality assurance check. The procedure is identified as optional, and the performance of this procedure depends on the test specific data quality objectives, and end use of the data.
The test-specific precision may be determined by conducting paired-runs. Paired runs aid in identifying possible suspect data and provide backup in the event one train is invalidated. Performing paired runs depends on the test-specific data quality objectives.
The reaction of gaseous HCl with ammonia (NH3) to form solid ammonium chloride (NH4Cl) is well known. At stack temperatures common to the exits of baghouses and ESPs at mineral calcining facilities (that is, 250 to 450°F or 121 to 232°C), an equilibration between the gaseous HCl/NH3, the condensed NH4Cl(s), and the effluent particulate matter can exist. It is impossible to know the exact partition ratio between the gas and particulate phases of these compounds in the sampling system. Furthermore, it is very difficult to control the effects of these partitioning reactions within the various sampling system components.
Note 4—Use of this method is cautioned when trying to quantify HCl (g) in the presence of ammonium chloride and ammonia.
SCOPE
1.1 This method will measure the concentration of gaseous hydrochloric and hydrofluoric acids, and other gaseous chlorides and fluorides that pass through a particulate matter filter maintained at 177°C (350°F). This method is specific for sampling combustion effluent from mineral calcining industries and other stationary sources where the reactive/adsorptive nature of the particulate matter may affect measurements.
1.2 This method utilizes ion chromatography to quantify the aqueous samples, and thus measures only the C1- and F- ions.
1.3 Based on a one-hour sampling run, the method will provide results of known accuracy and precision for chloride and fluoride in-stack concentrations of 0.5 ppm (v) dry or greater. Extending the run duration and sampling a greater volume of effluent will extend the range to lower concentrations.
1.4 This method includes optional post-test quality assurance procedures to assess the bias of the test results, and optional paired sample train runs to assess the precision of test results.
WITHDRAWN RATIONALE
This method will measure the concentration of gaseous hydrochloric and hydrofluoric acids, and other gaseous chlorides and fluorides that pass through a particulate matter filter maintained at 177°C (350°F).
Formerly under the jurisdiction of Committee D22 on Air Quality, this test method was withdrawn in January 2018 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

General Information

• Status: Withdrawn
• Publication Date: 30-Sep-2009
• Withdrawal Date: 18-Jan-2018
• ICS: 71.040.50 - Physicochemical methods of analysis
• ICS: 71.060.10 - Chemical elements
• Technical Committee: D22 - Air Quality
• Drafting Committee: D22.03 - Ambient Atmospheres and Source Emissions

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D6735 − 01 (Reapproved 2009)
Standard Test Method for
Measurement of Gaseous Chlorides and Fluorides from
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Mineral Calcining Exhaust Sources—Impinger Method
This standard is issued under the fixed designation D6735; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
The bias and precision statements included in Section 14 of this test method are based on field test
measurements at limestone calcining sources. Procedures for assessing the test-specific bias and the
precision at each source are included in the body of the method.
Additional optional procedures are included in Appendix X1 that can be used to demonstrate the
biasandprecisionofthemethodforspecificsourcecategories.Theseprocedureswereusedtodevelop
the bias and precision statements included in Section 14 and may be applied when using the method
at sources where no previous test data have been acquired.
1. Scope mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
1.1 This method will measure the concentration of gaseous
hydrochloric and hydrofluoric acids, and other gaseous chlo-
2. Referenced Documents
rides and fluorides that pass through a particulate matter filter
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2.1 ASTM Standards:
maintained at 177°C (350°F). This method is specific for
samplingcombustioneffluentfrommineralcalciningindustries D1356 Terminology Relating to Sampling and Analysis of
Atmospheres
and other stationary sources where the reactive/adsorptive
nature of the particulate matter may affect measurements. D2986 Practice for Evaluation of Air Assay Media by the
Monodisperse DOP (Dioctyl Phthalate) Smoke Test
1.2 Thismethodutilizesionchromatographytoquantifythe
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- - (Withdrawn 2004)
aqueous samples, and thus measures only the C1 and F ions.
D3195 Practice for Rotameter Calibration
1.3 Based on a one-hour sampling run, the method will
D6348 Test Method for Determination of Gaseous Com-
provide results of known accuracy and precision for chloride
pounds by Extractive Direct Interface Fourier Transform
and fluoride in-stack concentrations of 0.5 ppm (v) dry or
Infrared (FTIR) Spectroscopy
greater. Extending the run duration and sampling a greater
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2.2 EPA Standards:
volume of effluent will extend the range to lower concentra-
Method 1—Sample and Velocity Traverses for Stationary
tions.
Sources
1.4 This method includes optional post-test quality assur-
Method 2—Determination of Stack Gas Velocity and Volu-
ance procedures to assess the bias of the test results, and
metric Flow Rate (Type S Pitot Tube)
optional paired sample train runs to assess the precision of test
Method 3—Gas Analysis for Carbon Dioxide, Oxygen,
results.
Excess Air, and Dry Molecular Weight
Method 4—Determination of Moisture Content in Stack
1.5 This international standard was developed in accor-
Gases
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
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This test method is under the jurisdiction of ASTM Committee D22 on Air the ASTM website.
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Quality and is the direct responsibility of Subcommittee D22.03 on Ambient The last approved version of this historical standard is referenced on
Atmospheres and Source Emissions. www.astm.org.
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Current edition approved Oct. 1, 2009. Published December 2009. Originally United States Environmental Protection Agency Code of Federal Regulations,
approved in 2001. Last previous edition approved in 2001 as D6735 – 01. DOI: 40 CFR Parts 60 and 63, available from the Government Printing Office,
10.1520/D6735-01R09. Washington, DC.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D6735 − 01 (2009)
Method 301—Field Validation of Pollutant Measurement 3.2.16 spiked train, n—atraininwhichHCl(g)orHF(g)has
Methods from Various Waste Media been added after the test run to determine measurement system
bias.
3. Terminology
3.2.17 “u” tubes, n—connecting tubes constructed of either
glass or TFE-fluorocarbon to assemble the impinger train.
3.1 See Terminology D1356 for definition of terms used in
this test method.
3.2.18 volatile compounds, n—compounds that are gases at
the effluent temperature.
3.2 Definitions of Terms Specific to This Standard:
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