ASTM D1998-21

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:D1998 −21
Standard Specification for
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Polyethylene Upright Storage Tanks
This standard is issued under the fixed designation D1998; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 1.6 This international standard was developed in accor-
dance with internationally recognized principles on standard-
1.1 This specification covers flat-bottom, upright, cylindri-
ization established in the Decision on Principles for the
cal tanks molded in one-piece seamless construction by rota-
Development of International Standards, Guides and Recom-
tional molding. The tanks are molded from polyethylene for
mendations issued by the World Trade Organization Technical
above ground, vertical installation and are capable of contain-
Barriers to Trade (TBT) Committee.
ingaggressivechemicalsatatmosphericpressure.Includedare
requirements for materials, properties, design, construction,
2. Referenced Documents
dimensions, tolerances, workmanship and appearance. Tank
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2.1 ASTM Standards:
capacities are from 1900 L (500 gal) up.
D618Practice for Conditioning Plastics for Testing
1.2 Thisspecificationcoversthedesignofstationeryvessels
D883Terminology Relating to Plastics
for use at atmospheric pressure intended for use with liquids
D1693Test Method for Environmental Stress-Cracking of
heated below their flash points and continuous service tem-
Ethylene Plastics
peraturesbelow66°C(150°F)forTypeItanksandbelow60°C
D2837Test Method for Obtaining Hydrostatic Design Basis
(140°F) for Type II tanks.
forThermoplasticPipeMaterialsorPressureDesignBasis
1.2.1 NFPA Standards30 and NFPA 31 shall be consulted
for Thermoplastic Pipe Products
for installations that are subject to the requirements of these
D3892Practice for Packaging/Packing of Plastics
standards.
D4703Practice for Compression Molding Thermoplastic
Materials into Test Specimens, Plaques, or Sheets
1.3 For service requirements beyond the scope of this
E691Practice for Conducting an Interlaboratory Study to
specification (1.2), such as externally imposed mechanical
Determine the Precision of a Test Method
forces, internal pressure or vacuum, higher temperature
F412Terminology Relating to Plastic Piping Systems
service, etc., other relevant sources of standards, for example,
local and state building codes, NFPA,ASME,ARM, etc., shall 2.2 OSHA Standard:
29 CFR 1910.106 Occupational Safety and Health
be consulted.
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Administration, Flammable and Combustible Liquids
1.4 The values stated in SI units are to be regarded as the
2.3 ANSI Standard:
standard. The values given in parentheses are for information
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B-16.5Pipe Flanges and Flanged Fittings
only.
2.4 NFPA Standards:
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NOTE 1—ISO 13341:2005+A1:2011 and ISO 13575:2012 are similar,
30Flammable and Combustible Liquid Code
but not equivalent to this standard. 5
31Installation of Oil Burning Equipment
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1.5 The following precautionary caveat pertains only to the
2.5 ISO Standards:
test methods portion, Section 11, of this specification: This
ISO 13341:2005+A1:2011Static Thermoplastic Tanks for
standard does not purport to address all of the safety concerns,
theAboveGroundStorageofChemicals–BlowMoulded
if any, associated with its use. It is the responsibility of the user
of this standard to establish appropriate safety, health, and
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
environmental practices and determine the applicability of
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
regulatory limitations prior to use.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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Available from Occupational Safety and Health Administration (OSHA), 200
Constitution Ave., NW, Washington, DC 20210.
1 4
This specification is under the jurisdiction of ASTM Committee D20 on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
Plastics and is the direct responsibility of Subcommittee D20.19 on Film, Sheeting, 4th Floor, New York, NY 10036, http://www.ansi.org.
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and Molded Products (Section D20.15.01). Available from National Fire Protection Association (NFPA), 1 Batterymarch
Current edition approved July 15, 2021. Published August 2021. Originally Park, Quincy, MA 02169-7471, http://www.nfpa.org.
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approved in 1991. Last previous edition approved in 2015 as D1998-15. DOI: Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
10.1520/D1998-21.
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