ASTM D6759 - 09

    Standard Practice for Sampling Liquids Using Grab and Discrete Depth Samplers

    Active Standard ASTM D6759 | Developed by Subcommittee: D34.01.03

    Book of Standards Volume: 11.04


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    Significance and Use

    Sampling at specified depth(s) within a liquid may be needed to confirm or rule out variations within a target population. This practice describes the design and operation of commercially available grab and discrete depth samplers for persons responsible for designing or implementing sampling programs, or both.

    These sampling devices are used for sampling liquids in tanks, ponds, impoundments, and other open bodies of water. Some may be used from the edge or bank of the sampling site, whereas some can only be used from a platform, boat, or bridge over the sampling site. Some of the devices described are suitable for sampling slurries and sludges as well as aqueous and other liquids with few or no suspended solids.

    Practice D 5743 provides guidance for sampling drums, tanks, or similar containers.

    This practice does not address general guidelines for planning waste sampling activities (Guide D 4687), development of data quality objectives (Practice D 5792), the design of monitoring systems and determination of the number of samples to collect (Practice D 6311), in situ measurement of parameters of interest, data assessment and statistical interpretation of resultant data (Guide D 6233), sample preservation, sampling and field quality assurance (Guide D 5612), or the selection of sampling locations or obtaining a representative sample (Guide D 6044).

    1. Scope

    1.1 This practice describes sampling devices and procedures for collecting samples of liquids or sludges, or both, whose upper surface can be accessed by the suitable device. These devices may be used to sample tanks that have an appropriately sized and located sampling port.

    1.2 This practice describes and discusses the advantages and limitations of the following commonly used equipment, some of which can be used for both grab and discrete depth sampling: dipper, liquid grab sampler, swing jar sampler, Bacon Bomb, Kemmerer sampler, Discrete Level sampler, liquid profiler, lidded sludge/water sampler, peristaltic pump, and the Syringe sampler.

    1.3 This practice provides instructions on the use of these samplers.

    1.4 This practice does not address sampling devices for collecting ground water.

    1.5 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.


    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

    D4687 Guide for General Planning of Waste Sampling

    D4840 Guide for Sample Chain-of-Custody Procedures

    D5088 Practice for Decontamination of Field Equipment Used at Waste Sites

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

    D5358 Practice for Sampling with a Dipper or Pond Sampler

    D5612 Guide for Quality Planning and Field Implementation of a Water Quality Measurement Program

    D5681 Terminology for Waste and Waste Management

    D5743 Practice for Sampling Single or Multilayered Liquids, With or Without Solids, in Drums or Similar Containers

    D5792 Practice for Generation of Environmental Data Related to Waste Management Activities: Development of Data Quality Objectives

    D5956 Guide for Sampling Strategies for Heterogeneous Wastes

    D6044 Guide for Representative Sampling for Management of Waste and Contaminated Media

    D6051 Guide for Composite Sampling and Field Subsampling for Environmental Waste Management Activities

    D6232 Guide for Selection of Sampling Equipment for Waste and Contaminated Media Data Collection Activities

    D6233 Guide for Data Assessment for Environmental Waste Management Activities

    D6311 Guide for Generation of Environmental Data Related to Waste Management Activities: Selection and Optimization of Sampling Design

    D6323 Guide for Laboratory Subsampling of Media Related to Waste Management Activities

    D6538 Guide for Sampling Wastewater With Automatic Samplers

    D6699 Practice for Sampling Liquids Using Bailers


    ICS Code

    ICS Number Code 13.030.20 (Liquid wastes. Sludge)

    UNSPSC Code

    UNSPSC Code 41104007(Water samplers)


    DOI: 10.1520/D6759-09

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