Standard Test Method of Evaluating Wood Preservatives by Field Tests with Stakes

SCOPE
1.1 This test method covers accelerated procedures for determining the relative permanence and effectiveness of wood preservatives in stakes exposed in field plots.
1.2 The requirements for preparation of the material for testing and the test procedures appear in the following order: SectionsSummary of Test MethodTest PlotTest SpecimensPretreatment Selection of Test StakesTreatment ProcedureAfter Treatment Handling of Test StakesInstallation of StakesInspection of SpecimensEvaluation of ResultsReports
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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 and health practices and determine the applicability of regulatory limitations prior to use.

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Historical
Publication Date
31-Oct-2005
Technical Committee
Current Stage
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ASTM D1758-05 - Standard Test Method of Evaluating Wood Preservatives by Field Tests with Stakes
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 1758 – 05
Standard Test Method of
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Evaluating Wood Preservatives by Field Tests with Stakes
This standard is issued under the fixed designation D1758; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber 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. Summary of Method
1.1 This test method covers accelerated procedures for 3.1 Wood stakes are impregnated with an appropriate series
determiningtherelativepermanenceandeffectivenessofwood of retentions of a preservative, and then handled, prior to
preservatives in stakes exposed in field plots. exposure in the field, according to specified procedures. The
1.2 The requirements for preparation of the material for treated stakes are exposed in the ground to the action of
testing and the test procedures appear in the following order: wood-destroying fungi and termites in one or more selected
field plots. An index of condition determined from grades
Sections
Summary of Test Method 3
assignedtothestakesfordegreeofdecayandtermiteattack,in
Test Plot 4
the course of periodic inspections, is used to express results
Test Specimens 5
periodically and at the termination of the test.
Pretreatment Selection of Test Stakes 6
Treatment Procedure 7
3.2 Two test procedures are outlined, employing two speci-
After Treatment Handling of Test Stakes 8
3
men types, ⁄4-in. square and nominal 2 by 4-in. stakes,
Installation of Stakes 9
Inspection of Specimens 10 designated hereafter respectively as Method A and Method B.
Evaluation of Results 11
Method A, using smaller and more numerous specimens, is
Reports 12
preferred for possibly more rapid results, and Method B for
1.3 The values stated in inch-pound units are to be regarded
longer-term tests of a quasi service nature.
as standard. The values given in parentheses are mathematical
4. Test Plot
conversions to SI units that are provided for information only
and are not considered standard. 4.1 General Requirements—A warm humid climate is pre-
1.4 This standard does not purport to address all of the
ferred. Select a natural area of fertile, fallow, level land of
safety concerns, if any, associated with its use. It is the uniform soil character that is moist but well drained and large
responsibility of the user of this standard to establish appro- enough to permit expansion of future stake installations. The
priate safety and health practices and determine the applica- presence of wood-destroying fungi and active subterranean
bility of regulatory limitations prior to use. termites shall be proved by observation or experience and
checked by exposure of suitable small specimens of untreated
2. Referenced Documents
wood. No natural or artificial fertilizer or other chemicals shall
2
2.1 ASTM Standards:
beappliedtotheplotduringitsuseasatestground.Protection
D 246 Test Method for Distillation of Creosote and
against fire, predators, and pilferage shall be provided as far as
Creosote-Coal Tar Solutions
practicable.
D390 Specification for Coal-Tar Creosote for the Preser-
4.2 Control of Vegetation—As a general rule, vegetation
vative Treatment of Piles, Poles, and Timbers for Marine,
shall be controlled manually or by suitable mechanical means
Land, and Freshwater Use
onlyandwithminimumsoildisturbance.Nochemicalcontrols
D1413 Test Method for Wood Preservatives by Laboratory
shall be permitted. Weeding and cleaning the plot shall be
Soil-Block Cultures
uniform over any given test area.
D1625 Specification for Chromated Copper Arsenate
4.3 Reuse of Ground—Stakes placed in ground that has
been used previously for test purposes shall not be set closer
than 6 in. (150 mm) to any earlier stake location.
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This test method is under the jurisdiction of ASTM Committee D07 on Wood
and is the direct responsibility of Subcommittee D07.06 on Treatments for Wood
5. Test Specimens
Products.
Current edition approved Nov. 1, 2005. Published December 2005. Originally 5.1 Selection of Wood—Sapwood of southern yellow pine
approved in 1962. Last previous edition approved in 2002 as D1758–02.
(Pinus spp.), with 6 to 10 rings per inch, shall be the preferred
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
wood for comparative tests. It shall be free of knots, excessive
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
cross-grain and resins, or other obvious defects, and it shall
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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