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ASTM D7322-07

(Test Method)

Standard Test Method for Determination of Rolled Erosion Control Product (RECP) Ability to Encourage Seed Germination and Plant Growth Under Bench-Scale Conditions

Standard Test Method for Determination of Rolled Erosion Control Product (RECP) Ability to Encourage Seed Germination and Plant Growth Under Bench-Scale Conditions

SCOPE
1.1 This test method covers guidelines, requirements, and procedures for evaluating the effect of Rolled Erosion Control Products (RECPs) on seed germination and vegetation enhancement.
1.2 This test method will evaluate the effects of RECPs on seed germination in a controlled environment.
1.3 This test method utilizes bench-scale testing procedures and shall not be interpreted as indicative of field performance.
1.4 This test method is not intended to replace full-scale simulation or field testing in acquisition of performance values that are required in the design of erosion control measures utilizing RECPs.
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.

General Information

Status
Historical
Publication Date
14-Mar-2007
ICS
65.020.20 - Plant growing
Technical Committee
D18 - Soil and Rock
Drafting Committee
D18.25 - Erosion and Sediment Control Technology
Current Stage
Ref Project

Relations

Replaced By
ASTM D7322-13 - Standard Test Method for Determination of Rolled Erosion Control Product (RECP) Ability to Encourage Seed Germination and Plant Growth Under Bench-Scale Conditions
Effective Date
15-Jun-2013

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ASTM D7322-07 - Standard Test Method for Determination of Rolled Erosion Control Product (RECP) Ability to Encourage Seed Germination and Plant Growth Under Bench-Scale ConditionsASTM D7322-07 - Standard Test Method for Determination of Rolled Erosion Control Product (RECP) Ability to Encourage Seed Germination and Plant Growth Under Bench-Scale Conditions
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ASTM D7322-07 - Standard Test Method for Determination of Rolled Erosion Control Product (RECP) Ability to Encourage Seed Germination and Plant Growth Under Bench-Scale Conditions
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Standards Content (Sample)


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: D7322 − 07
StandardTest Method for
Determination of Rolled Erosion Control Product (RECP)
Ability to Encourage Seed Germination and Plant Growth
Under Bench-Scale Conditions
This standard is issued under the fixed designation D7322; 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 Erosion Control Blankets
D6566 Test Method for Measuring Mass per Unit Area of
1.1 This test method covers guidelines, requirements, and
Turf Reinforcement Mats
procedures for evaluating the effect of Rolled Erosion Control
Products (RECPs) on seed germination and vegetation en-
3. Terminology
hancement.
3.1 For definitions of terms used in this test method, see
1.2 This test method will evaluate the effects of RECPs on
Terminology D653.
seed germination in a controlled environment.
4. Summary of Test Method
1.3 This test method utilizes bench-scale testing procedures
and shall not be interpreted as indicative of field performance. 4.1 Containers containing soil are sown with seeds and then
covered with an RECP. Additional containers of soil are sown
1.4 This test method is not intended to replace full-scale
with seed and left uncovered as controls. The light,
simulation or field testing in acquisition of performance values
temperature, and humidity are maintained and documented.
that are required in the design of erosion control measures
The amount of germination and growth is measured periodi-
utilizing RECPs.
cally throughout the test, and the mass of vegetation is
1.5 The values stated in SI units are to be regarded as the
calculated at the conclusion of the test.
standard. The values given in parentheses are for information
4.2 Each RECP under consideration as well as control
only.
containers of uncovered soil undergo testing in a controlled
1.6 This standard does not purport to address all of the
environment.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Significance and Use
priate safety and health practices and determine the applica-
5.1 This test method evaluates the effect of an RECP on
bility of regulatory limitations prior to use.
seed germination and initial plant growth in a controlled
environment.
2. Referenced Documents
5.2 The results of this test can be used to compare RECPs
2.1 ASTM Standards:
and other erosion control materials to determine which are the
D653 Terminology Relating to Soil, Rock, and Contained
most effective at encouraging the growth of vegetation.
Fluids
D4354 Practice for Sampling of Geosynthetics for Testing
6. Apparatus
D5268 Specification for Topsoil Used for Landscaping Pur-
6.1 GerminationContainers—Plasticpotsnominally20 61
poses
cm(8 60.4in.)insidediametermadefromplasticpipesection
D6475 Test Method for Measuring Mass Per Unit Area of
cylinders and having a height of 10 61cm(4 6 0.4 in.). The
pots include a perforated bottom to allow drainage.
6.2 Temperature–, Humidity–, and Light–Controlled
This test method is under the jurisdiction ofASTM Committee D18 on Soil and
Rock and is the direct responsibility of Subcommittee D18.25 on Erosion and
Chamber—Capable of maintaining a constant temperature of
Sediment Control Technology.
27 6 2°C, 45 6 5% relative humidity, and 900 6 100 ft-
Current edition approved March 15, 2007. Published April 2007. DOI: 10.1520/
candles, with a light source as outlined in A1.1.
D7322-07.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6.3 Photometer—Instrument capable of measuring the illu-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
mination provided by a fluorescent light source, including both
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. the visible and ultraviolet (UV) spectrum.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D7322 − 07
6.4 Thermometer—Capable of measuring temperature. 9.1.2.7 Placethepotsinthecontrolledenvironmentalcham-
ber conditioned at 27 6 2°C, 45 6 5% relative humidity, and
6.5 Hygrometer—Capable of measuring relative humidity.
900 6 100 ft-candles. The test will proceed for 21 days.
7. Test Organisms
9.2 Test Operation, Maintenance, and Data Collection:
7.1 The test should be conducted on one seed mix of tall
9.2.1 Check and record temperature, relative humidity, and
fescue (Pure Live Seed, PLS = 80 6 5 %). Seed shall be stored
light every day, and make any necessary adjustments. (See Fig.
in a refrigerator.
1.)
NOTE 1—The test seed listed in this test method has been successful for
9.2.2 Record the number of germinated seeds and the length
product comparison purposes. However, this test may be used with
of the plants within each designated square on days 7, 14, and
alternative test organisms based on user needs. If test organisms different
21.
from those listed in this procedure are used, agreement should be
established between the testing laboratory and the user of the test. 9.2.3 At the 7 and 14 day measurement periods, apply an
additional quantity of water to each test pot equal to 12.5 mm
7.2 Unless otherwise requested, use ASTM topsoil. ASTM
(0.5 in.) over the area of the pot (410 mL for an 8-in. diameter
topsoil shall comply with Specification D5268.
pot).
8. Sampling
9.2.4 At the conclusion of the 21 days, each pot is harvested
by cutting the grass at the surface of the soil within each
8.1 Perform RECP material sampling in accordance with
designated 5 cm (2 in.) square measurement zone.
Practice D4354.
9.2.5 Dry the harvested seedlings in an oven at 100°C
2 2
8.2 The laboratory RECPsample should be 1 m (3.28 ft ).
(212°F) for 24 h.
8.3 Cut three specimens from each RECP laboratory
9.2.6 Make mass determinations for each pot.
sample. The specimen should completely cover the soil in the
NOTE 2—The test environment used in this test method procedure has
germination pots.
been successful for product comparison purposes. However, this test may
be used with alternative test environments based on user needs. If test
9. Procedure
environments different from those listed in this procedure are used,
9.1 Prepare Germination Containers : agreement should be established between the testing laboratory and the
user of the test method.
9.1.1 Prepare three pots for each RECP to be tested and
three control pots.
10. Calculation
...

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1.4 Units—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 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.

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ASTM
ASTM D8493-23(Guide)
Standard Guide for Sample Preparation of Cannabis and Hemp Inflorescence for Laboratory Analysis

SIGNIFICANCE AND USE
5.1 The sample preparation procedure for comminution impacts other downstream processes such as extraction and sonication, which ultimately affects the total analytical error (TAE) and measurement uncertainty.  
5.2 Factors that may influence the sample preparation process include the prevention of cross-contamination (carryover) from a prior sample and an inadequate cleaning procedure between preparation of samples, poor sample handling, storage (sample preservation), and moisture content (drying methods) of plant material being greater than 15 % (15). Samples with high moisture content are hard to process completely and may yield lower analyte (that is, cannabinoid) concentration during extraction and further processing. Lastly, water activity Specification D8197 is recommended, activity (aw) range (0.55 to 0.65) for dry cannabis or hemp flower or both.  
5.3 There are many different types of hardware technologies that address the comminution of dried cannabis or hemp; however, the list of devices is exhaustive and thus beyond the scope of this guide. See Table 3 and Table 4  (16-18) for a summary of different milling technologies. Distinctions among various pieces of equipment often relate to the type, mass, and size/shape of the sample (dry, fibrous) for which each is most effective. In addition, there may be economic reasons for mill selection, that is, the sample throughput of the testing laboratory (number of samples per day), access to cryogenics, and sample mass requirements.    
5.4 In addition to sampling devices, this guide does not include the sample preparation of edibles, tinctures, oils/concentrates, beverages, and so forth in which the sample diversity poses significant sample preparation challenges to be put forward in additional work items.  
5.5 The sample size for comminution purposes is limited as the analytical testing portion required is often 500 times smaller than the bulk sample lot and not every testing laboratory is equipped to handl...
SCOPE
1.1 In this guide, the basic steps in obtaining a test portion sample of either dried cannabis/hemp inflorescence are outlined.  
1.2 Sample preparation depends on many factors including moisture (dryness) of the sample, the analyte to be measured, the concentrations/amounts, and the test method's precision and accuracy requirements. In this case, dried cannabis or hemp plant material require particle size reduction-comminution from a representative sample of which the final analytical testing portion is determined by the employed testing method. Local regulatory guidelines often dictate both the representative sample that is taken from the bulk material (harvest batch) and the final mass of the test portion (for example  
1.3 This guide will not purport to meet every local and state jurisdiction since different regulatory requirements vary; the local/state requirements are at the discretion of the user to follow and interpret.  
1.4 Units—The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.  
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.

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