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Significance and Use
5.1 This practice can be used in sampling drums, tanks, and similar containers and in sampling monitoring and waste wells including small diameter (1 in.) wells. The pump can collect samples from multiple depths. The samples can be high-viscosity fluids, aggressive and corrosive fluids, high-purity solutions and abrasive fluids. The pump can be used to mix samples (see D6063).
5.2 Peristaltic pumps use a vacuum to transport the samples. This vacuum may cause some degassing and loss of volatile organic compounds (VOCs) from the sample. When precise quantitative data for VOCs and dissolved gases are not required, peristaltic pumps may be used.
5.4 Some additional advantages of the peristaltic pump are: decontamination of the pump motor is not necessary and the tubing in the pump is disposable and easy to replace. The pumps can be easily started and stopped and can pump fluids at a wide range of pressures and flow rates.
5.5 The place, quality and quantity, frequency, and time of sampling is dependent upon the decisions that are to be made (see D6250), sampling design (see D6311), the sample, the heterogeneity of the samples (see D5956), how representative the sample is (see D6044), and the parameters to be tested as determined by the data quality objectives (DQOs) (see D5792).
1.1 This practice covers the use of a peristaltic pump for sampling liquids from multiple depths. It is applicable for a wide range of fluids including: high-viscosity fluids, aggressive and corrosive fluids, high-purity solutions and abrasive fluids. It is especially useful for sampling liquids that require complete isolation from the pump.
1.3 This practice is not intended to give detailed instructions for running a peristaltic pump or recommend which peristaltic pump to purchase. It instructs the field personnel how to connect the pump and collect a sample.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D4448 Guide for Sampling Ground-Water Monitoring Wells
D4687 Guide for General Planning of Waste Sampling
D4840 Guide for Sample Chain-of-Custody Procedures
D5681 Terminology for Waste and Waste Management
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
D6063 Guide for Sampling of Drums and Similar Containers by Field Personnel
D6232 Guide for Selection of Sampling Equipment for Waste and Contaminated Media Data Collection Activities
D6250 Practice for Derivation of Decision Point and Confidence Limit for Statistical Testing of Mean Concentration in Waste Management Decisions
D6311 Guide for Generation of Environmental Data Related to Waste Management Activities: Selection and Optimization of Sampling Design
D6634 Guide for the Selection of Purging and Sampling Devices for Ground-Water Monitoring Wells
ICS Number Code 23.080 (Pumps)
UNSPSC Code 76121700(Liquid waste treatment); 40151520(Sampling pumps)
ASTM D7353-07(2013), Standard Practice for Sampling of Liquids in Waste Management Activities Using a Peristaltic Pump, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top