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ASTM D8373-21

(Guide)

Standard Guide for Cannabis/Hemp Flower Vaporizers

Standard Guide for Cannabis/Hemp Flower Vaporizers

SIGNIFICANCE AND USE
4.1 This guide is intended to educate new and experienced users of cannabis flower vaporizers on the various characteristics that can be available in cannabis flower vaporizers.  
4.2 This guide will outline characteristics of cannabis flower vaporizers, which include individual components, design elements, and basic universal functions.  
4.3 This guide will categorize common characteristics using categories based on different technologies and describe in simple terms the details attributable to each category, but is not intended to be all inclusive.  
4.4 The categories outlined in this guide are intended to identify, list, and group the characteristics germane to cannabis flower vaporizers. This guide and the categories created within will be used by subcommittee members of cannabis devices and appliances to further develop standards in the field of cannabis devices.  
4.5 This standard guide will serve to provide clarity to industry, government, consumers and the public on terminology, and universal functions of cannabis flower vaporizers.  
4.6 Reference to a type characteristic in this guide is not intended in any manner to denote endorsement or approval of said type by ASTM International.
SCOPE
1.1 This guide is intended to define characteristics, functions, and technologies commonly present in cannabis/hemp flower vaporizers.  
1.2 This guide shall apply to vaporizers used to consume the flowers of a cannabis plant regardless of the type of cannabis plant from which they where derived. For the sake of brevity, the term “cannabis” shall be used from now on to refer to any type of cannabis plant (cannabis/hemp).  
1.3 This guide will provide clarity to the industry, government, consumers and the public to understand what different features and technologies can be present in cannabis flower vaporizers  
1.4 This guide shall be used in conjunction with Classification D8357.  
1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 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.

General Information

Status
Published
Publication Date
31-Jan-2021
ICS
65.160 - Tobacco, tobacco products and related equipment
Technical Committee
D37 - Cannabis
Drafting Committee
D37.08 - Personal/Household-Use Cannabis Devices and Appliances
Current Stage
Ref Project

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ASTM D8373-21 - Standard Guide for Cannabis/Hemp Flower Vaporizers
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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: D8373 − 21
Standard Guide for
1
Cannabis/Hemp Flower Vaporizers
This standard is issued under the fixed designation D8373; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 For definitions of terms used in this guide, refer to
TerminologyD8270andthetermsdevelopedbySubcommittee
1.1 This guide is intended to define characteristics,
D37.91 on Terminology.
functions, and technologies commonly present in cannabis/
hemp flower vaporizers. 3.2 Definitions of Terms Specific to This Standard:
3.2.1 activation method, n—a physical, mechanical,
1.2 Thisguideshallapplytovaporizersusedtoconsumethe
electrical, or personal means for turning on a device.
flowers of a cannabis plant regardless of the type of cannabis
plant from which they where derived. For the sake of brevity,
3.2.1.1 Discussion—Activation methods include pushing a
the term “cannabis” shall be used from now on to refer to any
physical button on a device, engaging a mechanism on a
type of cannabis plant (cannabis/hemp).
device, sending an electrical signal from another device, or
drawing air from the device with the mouth.
1.3 This guide will provide clarity to the industry,
3.2.2 air path, n—the air intake pathway leading to the oven
government, consumers and the public to understand what
or vaporization chamber.
different features and technologies can be present in cannabis
flower vaporizers
3.2.3 contact material, n—any material in the device that
comes into direct contact with the product.
1.4 This guide shall be used in conjunction with Classifica-
tion D8357.
3.2.3.1 Discussion—The contact surface is any boundary of
1.5 This standard does not purport to address all of the
the contact material that touches the cannabis flower.
safety concerns, if any, associated with its use. It is the
3.2.3.2 Discussion—For example, glass stem airpaths and
responsibility of the user of this standard to establish appro-
quartz heating sources.
priate safety, health, and environmental practices and deter-
3.2.4 desktop, n—any personal consumption device that is
mine the applicability of regulatory limitations prior to use.
designed to rest on a stable horizontal surface while in use.
1.6 This international standard was developed in accor-
3.2.5 handheld, n—any personal consumption device that is
dance with internationally recognized principles on standard-
explicitly designed to be held in the user’s hand.
ization established in the Decision on Principles for the
3.2.6 mouthpiece, n—a component in the cannabis device
Development of International Standards, Guides and Recom-
that touches the end user and marks the end of the vapour path.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
3.2.7 oven, n—a chamber integrated into or along with a
cannabis device in which the desired material intended for
2. Referenced Documents
vaporization is placed for heating.
2
2.1 ASTM Standards:
3.2.7.1 Discussion—It is also known as the vaporization
D8270 Terminology Relating to Cannabis
chamber or the heating chamber.
D8357 Classification for Cannabis/Hemp Flower Vaporizers
3.2.7.2 Discussion—For the basis of this guide, the material
3. Terminology intended for vaporization is ground dried cannabis flower, or
dried cannabis flower, or cannabis flower, or combination
3.1 Definitions:
thereof.
3.2.8 other “X”, n—any personal consumption device that
1
This guide is under the jurisdiction ofASTM Committee D37 on Cannabis and
is not handheld or desktop.
is the direct responsibility of Subcommittee D37.08 on Cannabis Devices and
Appliances.
3.2.9 vapour, n—a substance or material which has experi-
Current edition approved Feb. 1, 2021. Published June 2021. DOI: 10.1520/
enced a phase change above its boiling point and is suspended
D8373-21.
2 or dispersed in the air.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3.2.9.1 Discussion—For the context of this guide, aerosol
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. and vapour are synonymous
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D8373 − 21
3.2.9.2 Discussion—Vapour (as it pertains to cannabis) is an 4.4 The categories outlined in this guid
...

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4.1 This classification defines various types of cannabis extract vaporizer devices.  
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4.1 This guide is intended to educate new and experienced users of cannabis extract vaporizers on the various characteristics that can be available in cannabis extract vaporizers.  
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Standard Test Method for Nicotine and 3-Ethenylpyridine in Indoor Air

SIGNIFICANCE AND USE
5.1 In order to estimate ETS concentrations, there needs to be a marker or tracer for ETS that is unique or highly specific to tobacco smoke, in sufficient concentrations in air to be measured easily at realistic smoking rates, and in constant proportion to the other components of ETS for a variety of tobacco blends and environmental conditions. Nicotine and 3-ethenylpyridine have been used as tracers of the vapor phase of ETS. Nicotine is the major alkaloid of tobacco and a major constituent of ETS. The determination of nicotine concentration has often been used to estimate the concentration of ETS; however, due to its unpredictable decay kinetics, nicotine may not be an ideal tracer. Because nicotine readily adsorbs to building materials and room furnishings and is depleted from ETS at a rate faster than most other components, some have suggested that nicotine concentrations underestimate ETS concentrations. Although this is true in many environments during the generation of smoke, the converse is true in environments with a recent past history of smoking. The adsorbed nicotine slowly desorbs over time, resulting in an overestimation of ETS concentrations. Thus, measured concentrations of nicotine precisely assess only airborne nicotine and indicate only that smoking has taken place; they do not necessarily indicate the presence, and certainly not the concentrations, of other ETS constituents. 3-Ethenylpyridine, on the other hand, has been shown to track exactly the vapor phase of ETS as measured by CO and FID response (3). It is for these reasons that 3-ethenylpyridine may be a better tracer of ETS (1, 4, 5). The ETS at high concentrations is known to be annoying and irritating to individuals, and concerns over potential health effects have also been expressed. There is a definite need to have reliable methods for the estimation of ETS levels in order to evaluate its effect. The NIOSH has previously set a recommended exposure limit (REL) for nicotine in the workp...
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1.1 This test method covers the sampling/analysis of nicotine and 3-ethenylpyridine (3-EP) in indoor air. This test method is based upon the collection of nicotine and 3-EP by adsorption on a sorbent resin, extraction of nicotine and 3-EP from the sorbent resin, and determination by gas chromatography (GC) with nitrogen selective detection  (1).2  
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SCOPE
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1.1 This standard shall classify the various types of cannabis/hemp extract vaporizers.  
1.2 This classification shall differentiate between the intended use of each type of cannabis/hemp extract vaporizers.  
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1.7 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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SIGNIFICANCE AND USE
4.1 This guide is intended to educate new and experienced users of cannabis extract vaporizers on the various characteristics that can be available in cannabis extract vaporizers.  
4.2 This guide will outline characteristics of cannabis extract vaporizers, which includes individual components, design elements, and basic universal functions.  
4.3 This guide will categorize common characteristics using categories based on different technologies and describe in simple terms the details attributable to each category, but is not intended to be all inclusive.  
4.4 This standard will serve to provide clarity to industry, government, and the public on terminology and universal functions of cannabis extract vaporizers.  
4.5 Reference to a type characteristic in this guide is not intended in any manner to denote endorsement or approval of said type by ASTM International.
SCOPE
1.1 This guide is intended to define characteristics, functions, and technologies commonly present in cannabis/hemp extract vaporizers.  
1.2 This guide shall apply to vaporizers used to incorporate the extracts of a cannabis plant regardless of the type of cannabis plant from which they where derived. For the sake of brevity, the term “cannabis” shall be used from now on to refer to any type of cannabis plant (cannabis/hemp).  
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1.7 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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SCOPE
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4.2.1 As with any mechanical testing, deviations from either specification limits or expected as-manufactured properties can occur for valid reasons besides deficiency of the original as-fabricated product. These reasons include, but are not limited to: subsequent service degradation from environmental exposure (for example, temperature, corrosion); static or cyclic service stress effects, mechanically-induced damage, material inhomogeneity, anisotropic structure, natural aging of select alloys, further processing not included in the specification, sampling limitations, and measuring equipment calibration uncertainty. There is statistical variation in all aspects of mechanical testin...
SCOPE
1.1 These test methods2 cover procedures and definitions for the mechanical testing of steels, stainless steels, and related alloys. The various mechanical tests herein described are used to determine properties required in the product specifications. Variations in testing methods are to be avoided, and standard methods of testing are to be followed to obtain reproducible and comparable results. In those cases in which the testing requirements for certain products are unique or at variance with these general procedures, the product specification testing requirements shall control.  
1.2 The following mechanical tests are described:    
Sections  
Tension  
7 to 14  
Bend  
15  
Hardness  
16  
Brinell  
17  
Rockwell  
18  
Portable  
19  
Impact  
20 to 30  
Keywords  
32  
1.3 Annexes covering details peculiar to certain products are appended to these test methods as follows:    
Annex  
Bar Products  
Annex A1  
Tubular Products  
Annex A2  
Fasteners  
Annex A3  
Round Wire Products  
Annex A4  
Significance of Notched-Bar Impact Testing  
Annex A5  
Converting Percentage Elongation of Round Specimens to
Equivalents for Flat Specimens  
Annex A6    
Testing Multi-Wire Strand  
Annex A7  
Rounding of Test Data  
Annex A8  
Methods for Testing Steel Reinforcing Bars  
Annex A9  
Procedure for Use and Control of Heat-cycle Simulation  
Annex A10  
1.4 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.  
1.5 When these test methods are referenced in a metric product specification, the yield and tensile values may be determined in inch-pound (ksi) units then converted into SI (MPa) units. The elongation determined in inch-pound gauge lengths of 2 in. or 8 in. may be report...

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ASTM
ASTM F3565-23(Practice)
Standard Practice for Electrofusion Joining Polyethylene (PE) Pipe and Fittings for Pressure Pipe Service

SIGNIFICANCE AND USE
4.1 Using the procedures and apparatus in Sections 8 and 9 and the manufacturer's instructions, pressure-tight joints as strong as the pipe itself can be made between manufacturer-recommended combinations of pipe and fittings. See Specification F1055 for performance requirements of polyethylene electrofusion fittings.
SCOPE
1.1 This practice describes procedures for making joints suitable for pressure service with polyethylene (PE) pipe and fittings by means of electrofusion joining techniques in, but not limited to, a field environment. Other suitable electrofusion joining procedures are available from various sources including fitting manufacturers. This standard does not purport to address all possible electrofusion joining procedures, or to preclude the use of qualified procedures developed by other parties that have been proven to produce reliable electrofusion joints. (Note 1)
Note 1: Reference to the manufacturer in this practice refers to the electrofusion fitting manufacturer.  
1.2 The parameters and procedure are applicable only to joining polyethylene pipe and fittings (Note 2) which are intended for PE fuel gas pipe per Specification D2513 and PE potable water, sewer and industrial pipe manufactured per Specification F714, Specification D3035, Specification F2619, and AWWA C901 and C906.
Note 2: Commercially available materials classified with a thermoplastic pipe material designation code beginning with PE 14, PE 23, PE 24, PE 27, PE 33, PE 34, PE 36, and PE 46, and PE 47 in accordance with Specification D3350 and Terminology F412 are generally acceptable for electrofusion joining using this practice. Consult with the pipe or fitting manufacturer for specific compatibility information.  
1.3 Parts that are within the dimensional tolerances given in present ASTM specifications are required to produce sound joints between polyethylene pipe and fittings when using the joining techniques described in this practice.  
1.4 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.  
1.5 The text of this practice references notes, footnotes, and appendices which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the practice.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.7 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.

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