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    ASTM D6050 - 21

    Standard Test Method for Determination of Insoluble Solids in Organic Liquid Hazardous Waste

    Active Standard ASTM D6050 | Developed by Subcommittee: D34.01.06

    Book of Standards Volume: 11.04


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    Significance and Use

    5.1 A high percentage of insoluble, suspended solid material can create pumping, filtering, or grinding difficulties in the off-loading of bulk shipments of OLHW and can contribute to excessive wear on processing equipment. High solids can also decrease the quality and consistency of commingled solutions by decreasing the effectiveness of agitation in storage tanks. These issues are of concern to the recycling industries (solvents, paints, and other materials handled in significant quantities) in addition to those activities that propose to use the waste as a fuel.

    1. Scope

    1.1 This test method covers the determination of the approximate amount of insoluble, suspended solid material in organic liquid hazardous waste (OLHW).

    1.2 This test method is intended to be used in approximating the amount of insoluble, suspended solids in determining the material-handling characteristics and fuel quality of OLHW. It is not intended to replace more sophisticated procedures for the determination of total solids.

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

    1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


    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

    D96 Test Method for Water and Sediment in Crude Oil by Centrifuge Method (Field Procedure)

    D5283 Practice for Generation of Environmental Data Related to Waste Management Activities: Quality Assurance and Quality Control Planning and Implementation

    D5681 Terminology for Waste and Waste Management


    ICS Code

    ICS Number Code 13.030.30 (Special wastes)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D6050-21

    Citation Format

    ASTM D6050-21, Standard Test Method for Determination of Insoluble Solids in Organic Liquid Hazardous Waste, ASTM International, West Conshohocken, PA, 2021, www.astm.org

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