ASTM D5088-90
(Practice)Standard Practice for Decontamination of Field Equipment Used at Nonradioactive Waste Sites
Standard Practice for Decontamination of Field Equipment Used at Nonradioactive Waste Sites
SCOPE
1.1 This practice covers the decontamination of field equipment used in the sampling of soils, soil gas, sludges, surface water, and ground water at waste sites which are to undergo both physical and chemical analyses.
1.2 These practices are applicable only at sites where chemical (organic and inorganic) wastes are a concern. It is not intended for use at radiological, mixed (chemical and radiological), or biohazard sites.
1.3 Procedures are included for the decontamination of equipment which comes into contact with the sample matrix (sample contacting equipment) and for ancillary equipment that has not contacted the portion of sample to be analyzed (non-sample contacting equipment).
1.4 These practices are based on commonly recognized methods by which equipment may be decontaminated. The procedures described for sample contacting equipment are commonly prescribed, however there is a minimum of scientific data that supports these methods (Mickam et al. 1989, Parker, 1995). Therefore the user is reminded of the importance of QA/QC samples that document decontamination effectiveness and that these samples can be used to modify or enhance decontamination techniques. Decontamination at radiologically contaminated sites should refer to Practice D 5608.
1.5 This practice is applicable to most conventional sampling equipment constructed of metallic and synthetic materials. The manufacturer of a specific sampling apparatus should be contacted if there is concern regarding the reactivity of a decontamination rinsing agent with the equipment.
1.6 This practice offers an organized collection of information or a series of options and does not recommend a specific course of action. This document cannot replace education or experience and should be used in conjunction with professional judgement. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word "Standard" in the title of this document means only that the documents has been approved through the ASTM consensus process.
1.7 This standard does not purport to address the safety problems 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.
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Designation: D 5088 – 90
AMERICAN SOCIETY FOR TESTING AND MATERIALS
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Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Practice for
Decontamination of Field Equipment Used at Nonradioactive
1
Waste Sites
This standard is issued under the fixed designation D 5088; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 contaminant—an undesirable substance not normally
present or an unusually high concentration of a naturally
1.1 This practice covers the decontamination of field equip-
occurring substance in water or soil.
ment used in the sampling of soils, soil gas, sludges, surface
3.1.2 control rinse water—water used for equipment wash-
water, and ground water at waste sites which are to undergo
ing and rinsing having a known chemistry.
both physical and chemical analyses.
3.1.3 decontamination—the process of removing or reduc-
1.2 This practice is applicable only at sites where chemical
ing to a known level undesirable physical or chemical constitu-
(organic and inorganic) wastes are a concern and is not
ents, or both, from a sampling apparatus to maximize the
intended for use at radioactive or mixed (chemical and radio-
representativeness of physical or chemical analyses proposed
active) waste sites.
for a given sample.
1.3 Procedures are included for the decontamination of
3.1.4 non-sample contacting equipment—related equipment
equipment which comes into contact with the sample matrix
associated with the sampling effort, but that does not directly
(sample contacting equipment) and for ancillary equipment
contact the sample (for example, augers, drilling rods, excava-
that has not contacted the portion of sample to be analyzed
tions machinery).
(non-sample contacting equipment).
3.1.5 quality assurance/quality control (QA/QC)—the ef-
1.4 This practice is based on recognized methods by which
forts completed to evaluate the accuracy and precision of a
equipment may be decontaminated. When collecting environ-
sampling or testing procedure, or both.
mental matrix samples, one should become familiar with the
3.1.6 sample contacting equipment—equpiment that comes
site specific conditions. Based on these conditions and the
in direct contact with the sample or portion of sample that will
purpose of the sampling effort, the most suitable method of
undergo chemical analyses or physical testing (for example,
decontamination can be selected to maximize the integrity of
ground water well bailer, split-spoon sampler, soil gas sam-
analytical and physical testing results.
pling probe).
1.5 This practice is applicable to most conventional sam-
3.1.7 For definitions of other terms used in this practice, see
pling equipment constructed of metallic and synthetic materi-
Terminology D 653.
als. The manufacturer of a specific sampling apparatus should
be contacted if there is concern regarding the reactivity of a
4. Summary of Practice
decontamination rinsing agent with the equipment.
4.1 Two different procedures are presented for the decon-
1.6 This standard does not purport to address the safety
tamination of sample-contacting and non-sample contacting
problems associated with its use. It is the responsibility of the
equipment. The procedures have been developed based on a
user of this standard to establish appropriate safety and health
review of current state and federal guidelines, as well as a
practices and determine the applicability of regulatory limita-
summary of commonly employed procedures. In general,
tions prior to use.
sample contacting equipment should be washed with a deter-
2. Referenced Documents gent solution followed by a series of control water, desorbing
agents and deionized water rinses. Nonsample contacting
2.1 ASTM Standards:
equipment should be washed with a detergent solution and
D 653 Terminology Relating to Soil, Rock, and Contained
2 rinsed with control water. Although such techniques may be
Fluids
difficult to perform in the field, they may be necessary to most
3. Terminology accurately evaluate low concentrations of the chemical con-
stituent(s) of interest.
3.1 Definitions:
4.2 Prior to initiating a field program that will involve
equipment decontamination, a site specific equipment decon-
1
This practice is under the jurisdiction of ASTM Committee D-18 on Soil and
tamination protocol should be prepared for distribution to the
Rock and is the direct responsibility of Subcommittee D18.14 on Geotechnics of
Waste Management. individuals involved with the particular sampling program.
Current edition approved June 2
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