ASTM D7458-08

    Standard Test Method for Determination of Beryllium in Soil, Rock, Sediment, and Fly Ash Using Ammonium Bifluoride Extraction and Fluorescence Detection


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    1. Scope

    1.1 This test method is intended for use in the determination of beryllium in samples of soil, rock, sediment, and fly ash. This test method can be used for purposes such as environmental remediation projects where beryllium is a contaminant of concern. It is also useful for characterization of levels of beryllium in soil at sites where beryllium is in mining or manufacturing applications, and for determination of background levels of beryllium in soil.

    1.2 This test method assumes that samples of soil, rock, sediment, or fly ash are collected using appropriate and applicable ASTM International standard practices.

    1.3 This test method includes a procedure for on-site extraction (dissolution) of beryllium in dilute ammonium bifluoride, followed by analysis of aliquots of the extract solution using a beryllium-specific fluorescent dye.

    1.4 No detailed operating instructions are provided because of differences among various makes and models of suitable fluorometric instruments. Instead, the analyst shall follow the instructions provided by the manufacturer of the particular instrument. This test method does not address comparative accuracy of different devices or the precision between instruments of the same make and model.

    1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.6 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D 6026.

    1.6.1 The procedures used to specify how data are collected/recorded, or calculated, in this standard are regarded as the industry standard. In addition, they are representative of the significant digits that generally should be retained. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any considerations for the users objectives; and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations. It is beyond the scope of this standard to consider significant digits used in analytical methods for engineering design.

    1.7 This test method contains notes that are explanatory and not part of mandatory requirements of the standard.

    1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazards associated with performance of this test method are described in Section 9.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D653 Terminology Relating to Soil, Rock, and Contained Fluids

    D1193 Specification for Reagent Water

    D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction

    D4840 Guide for Sample Chain-of-Custody Procedures

    D5730 Guide for Site Characterization for Environmental Purposes With Emphasis on Soil, Rock, the Vadose Zone and Groundwater

    D6026 Practice for Using Significant Digits in Geotechnical Data

    D7202 Test Method for Determination of Beryllium in the Workplace by Extraction and Optical Fluorescence Detection

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    E882 Guide for Accountability and Quality Control in the Chemical Analysis Laboratory

    Other Standards

    EN ISO 8655-2 Piston-Operated Volumetric PipettesPart 2: Piston Pipettes Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.

    ISO594-2 Conical Fittings with a 6% (Luer) Taper for Syringes, Needles and Certain Other Medical EquipmentPart 2: Lock Fittings


    ICS Code

    ICS Number Code 13.080.10 (Chemical characteristics of soil)

    UNSPSC Code

    UNSPSC Code 11111501(Soil)


    Referencing This Standard
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    DOI: 10.1520/D7458-08

    Citation Format

    ASTM D7458-08, Standard Test Method for Determination of Beryllium in Soil, Rock, Sediment, and Fly Ash Using Ammonium Bifluoride Extraction and Fluorescence Detection, ASTM International, West Conshohocken, PA, 2008, www.astm.org

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