Standard Test Method for Measuring Repellency, Retention, and Penetration of Liquid Pesticide Formulation Through Protective Clothing Materials

SIGNIFICANCE AND USE
This standard can be used for laboratory screening of protective clothing material used to manufacture garments and accessories worn by pesticide workers.
The standard can be used for the development and evaluation of new protective clothing materials.
The standard can be used for the evaluation of protective clothing materials against new pesticide formulations.
SCOPE
1.1 This method measures repellency, retention and penetration of a known volume of liquid pesticide when applied to protective clothing material. No external hydrostatic or mechanical pressure is applied to the test specimen during or after the application of the liquid pesticide.
1.2 This method is designed to measure performance of protective clothing materials at two levels of contamination. Low level of contamination is achieved by applying 0.1 mL liquid formulation and high level by applying 0.2 mL.
1.3 This test method does not measure resistance to permeation or degradation.
1.4 This test method is suitable for field strength pesticide formulations. This method may not be suitable for testing protective clothing materials against volatile pesticides.
1.5 The values stated in SI units are to be regarded as the standard.
1.6 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.

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Publication Date
09-Aug-2001
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ASTM F2130-01 - Standard Test Method for Measuring Repellency, Retention, and Penetration of Liquid Pesticide Formulation Through Protective Clothing Materials
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:F2130–01
Standard Test Method for
Measuring Repellency, Retention, and Penetration of Liquid
Pesticide Formulation Through Protective Clothing
Materials
This standard is issued under the fixed designation F 2130; 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.
INTRODUCTION
The health and safety of agricultural workers involved in the mixing, loading and application of
liquidpesticidescanbeaffectedbydermalexposuretoliquidpesticideformulations.Useofprotective
clothing can assist in minimizing the danger of contact with potentially harmful pesticides. Nonporous
materials that provide excellent protection to the user are usually not suitable for many agricultural
environments where there is a potential for heat stress. Therefore, garments made of porous materials
which can provide a balance between risk from pesticide exposure and user comfort can also be used
as Personal Protective Equipment (PPE) for agricultural workers. The movement of liquid pesticides
through these materials is primarily due to penetration through spaces between fibers and interstices
between yarns. As these materials provide protection either by repelling or retaining liquid pesticide,
the measurement of these properties are also important. This test method is used to measure
repellency, retention, and penetration of liquid pesticides through protective clothing materials.
The degree of contamination depends on numerous factors such as type of exposure, application
technique, and pesticide formulation. Worker exposure to liquid pesticides can range from low
exposure due to spray drift to high exposure as in the case of an accidental spill while mixing or
handling of concentrates. As the level of exposure can vary considerably, this method is designed to
rate relative performance of PPE materials at two levels of contamination.
1. Scope 1.6 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
1.1 Thismethodmeasuresrepellency,retentionandpenetra-
responsibility of the user of this standard to establish appro-
tion of a known volume of liquid pesticide when applied to
priate safety and health practices and determine the applica-
protective clothing material. No external hydrostatic or me-
bility of regulatory limitations prior to use.
chanical pressure is applied to the test specimen during or after
the application of the liquid pesticide.
2. Referenced Documents
1.2 This method is designed to measure performance of
2.1 ASTM Standards:
protective clothing materials at two levels of contamination.
D 123 Terminology Related to Textiles
Low level of contamination is achieved by applying 0.1 mL
E 105 Practice for Probability Sampling of Materials
liquid formulation and high level by applying 0.2 mL.
F 1494 Terminology Related to Protective Clothing
1.3 This test method does not measure resistance to perme-
ation or degradation.
3. Terminology
1.4 This test method is suitable for field strength pesticide
3.1 Definitions:
formulations. This method may not be suitable for testing
3.1.1 analytical technique, n—a procedure whereby the
protective clothing materials against volatile pesticides.
concentration of the test chemical in a collection medium is
1.5 The values stated in SI units are to be regarded as the
quantitatively determined.
standard.
1 2
This test method is under the jurisdiction of ASTM Committee F23 on For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Protective Clothing and is the direct responsibility of Subcommittee F23.30 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Chemicals. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved August 10, 2001. Published October 2001. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F2130–01
3.1.1.1 Discussion—The procedure selected is often based 4.1.2 The contaminated test specimen, collector layer, and
on the pesticide to be analyzed. Applicable techniques include paperusedtoremoveliquidfromthesurfaceofthematerialare
but are not limited to gas chromatography, high pressure liquid separated and extracted.
chromatography, and radionuclide tagging/detection counting. 4.1.3 The extracts are analyzed quantitatively.
4.1.4 Dataareusedtocalculatepercentrepellency,pesticide
3.1.2 coated fabric, n—a flexible material composed of a
textile fabric and an adherent polymeric or other material retention, and penetration.
applied to one or both surfaces.
5. Significance and Use
3.1.3 degradation, n—a deleterious change in one or more
properties of a material.
5.1 This standard can be used for laboratory screening of
3.1.4 liquid pesticide formulation, n—a mixture of raw
protective clothing material used to manufacture garments and
materials, including but not limited to active ingredients, inert
accessories worn by pesticide workers.
ingredients, and a base solvent.
5.2 The standard can be used for the development and
3.1.4.1 Discussion—Additional ingredients could include
evaluation of new protective clothing materials.
emulsifiers and surfactants. Solvents used in the formulation
5.3 Thestandardcanbeusedfortheevaluationofprotective
could be water, isopropyl alcohol, or petroleum distillate. Solid
clothing materials against new pesticide formulations.
materials(powders,granules,andsoforth)maybedissolvedor
emulsified to form a liquid or suspension. These formulations
6. Apparatus and Materials
may be ready to use or concentrates which require dilution to
6.1 Apparatus and materials for contamination of test speci-
field strength.
men:
3.1.5 penetration, n—the flow of a chemical through clo-
6.1.1 Liquid Pesticide Formulation, to contaminate the test
sures, porous materials, seams, and pinholes or other imper-
specimen.
fections in a protective clothing material on a nonmolecular
NOTE 1—Diluted and concentrated formulations can be used with this
level.
test method.
3.1.6 permeation, n—the process by which a chemical
6.1.2 Pipettor, with disposable pipet tip, mounted on a
moves through a protective clothing material on a molecular
support stand, for pipetting 0.1 6 0.002 mL of liquid for low
level.
contamination level and 0.2 6 0.004 mL for high contamina-
3.1.6.1 Discussion—Permeation involves: (1) sorption of
tion level.
molecules of the chemical into the contacted surface of a
6.1.3 Specimen Holder, that consists of a base plate (10 3
material; (2) diffusion of the sorbed molecules in the material;
10cm)andacoverplate(10 310cmwitha6 36cmopening
and (3) desorption of the molecules from the opposite surface
in the center).The specimen holder is made of Plexiglas (4 mm
of the material.
thickness).
3.1.7 pesticide retention, n—the amount of pesticide active
6.1.4 Stopwatch, to measure time in minutes.
ingredient retained in the protective clothing material.
6.1.5 Two 8 3 8 cm Squares of Whatman Benchkote Plus
3.1.8 protective clothing material, n—any element, con-
Paper, (absorbent paper backed by polyethylene film) per test
stituent or substance from which protective clothing is com-
specimen. One square is used to measure penetration, and the
posed or can be made.
second to measure repellency.
3.1.9 repellency, n—the characteristic to resist wetting and
penetration by a liquid.
NOTE 2—Substitutions are not recommended, as due to differences in
3.1.10 For other textile terminology see Terminology
sorptive properties, use of absorbent papers other than Benchkote Plus
may affect the test results.
D 123.
3.1.11 For other protective clothing terminology see Termi-
6.1.6 Container, to discard contaminated materials.
nology F 1494.
6.1.7 Fume Hood, with airflow control and a glass door
6.2 Apparatus and materials for the extraction:
4. Summary of Test Method
6.2.1 Solvent, appropriate for extraction of pesticide.
4.1 Apipettor is used to apply liquid pesticide to the surface
NOTE 3—Selection of the solvent is dependent on the pesticide and the
of the test assembly. The test assembly consists of single or
analytical method used. A minimum extraction efficiency of 95 % is
required. Procedure to calculate extraction is given in 8.3. Solvent with
multiple layer protective clothing material (test specimen) and
high volatility may not be appropriate, as there may be e
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