Standard Test Method for Sampling Protocol for TCLP Testing of Container Glassware

SIGNIFICANCE AND USE
4.1 Sampling of decorated glass containers for the TCLP can vary greatly, resulting from the size and shape of the article relative to the amount of ceramic decoration on the ware. Breaking the glass can cause some of the pieces to have no decoration on them, and others to be heavily decorated and more likely to leach lead and cadmium under the TCLP test. This method provides an effective tool to homogenize the glass containers so that reproducible results can be attained from the TCLP test.
SCOPE
1.1 This test method defines the way in which container glassware should be prepared before performing the Toxicity Characteristic Leaching Procedure (TCLP). The method covers the homogenization of the sample, and the selection of a representative portion of the sample to test and get reproducible results.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 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.  
1.4 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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Published
Publication Date
28-Feb-2023
Current Stage
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ASTM C1606-10(2023) - Standard Test Method for Sampling Protocol for TCLP Testing of Container Glassware
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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: C1606 − 10 (Reapproved 2023)
Standard Test Method for
Sampling Protocol for TCLP Testing of Container
Glassware
This standard is issued under the fixed designation C1606; 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 protocol by using a disc mill or roll mill apparatus, and then the
samples are homogenized using a riffle box. A representative
1.1 This test method defines the way in which container
sample of the glass articles can then be put through the TCLP
glassware should be prepared before performing the Toxicity
test with reproducible results.
Characteristic Leaching Procedure (TCLP). The method covers
the homogenization of the sample, and the selection of a
4. Significance and Use
representative portion of the sample to test and get reproduc-
ible results.
4.1 Sampling of decorated glass containers for the TCLP
can vary greatly, resulting from the size and shape of the article
1.2 The values stated in SI units are to be regarded as
relative to the amount of ceramic decoration on the ware.
standard. No other units of measurement are included in this
standard. Breaking the glass can cause some of the pieces to have no
decoration on them, and others to be heavily decorated and
1.3 This standard does not purport to address all of the
more likely to leach lead and cadmium under the TCLP test.
safety concerns, if any, associated with its use. It is the
This method provides an effective tool to homogenize the glass
responsibility of the user of this standard to establish appro-
containers so that reproducible results can be attained from the
priate safety, health, and environmental practices and deter-
TCLP test.
mine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accor-
5. Apparatus
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
5.1 Pre-breaking apparatus, consisting of:
Development of International Standards, Guides and Recom-
5.1.1 Two L (or larger) polythene bucket with a tightly
mendations issued by the World Trade Organization Technical
sealed lid,
Barriers to Trade (TBT) Committee.
5.1.2 One or two clean 35 mm to 40 mm diameter alumina
grinding balls,
2. Referenced Documents
2.1 ASTM Standards: 5.2 Disc mill or roll mill,
E177 Practice for Use of the Terms Precision and Bias in
5.3 Sieves, as needed,
ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to 5.4 Riffle box, and
Determine the Precision of a Test Method
5.5 Roller or tumbler apparatus.
3. Summary of Test Method
6. Reagents and Materials
3.1 Container glass articles decorated with ceramic glass
6.1 Glassware to be tested, in two sets of 10 units each.
decorations are broken to fit the requirements of the TCLP
7. Hazards
This test method is under the jurisdiction of ASTM Committee C21 on Ceramic
Whitewares and Related Productsand is the direct responsibility of Subcommittee
7.1 When working with glassware, always be aware and
C21.03 on Methods for Whitewares and Environmental Concerns.
careful of the potential of getting cut by the glass. Personal
Current edition approved March 1, 2023. Published March 2023. Originally
protective equipment, such as a face shield or goggles, leather
approved in 2004. Last previous edition approved in 2018 as C1606 – 10 (2018).
DOI: 10.1520/C1606-10R23. gloves, and a protective apron should be worn when working
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
with glass.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Take precautions when working with the samples and
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. apparatus to avoid the possibilities of getting hurt.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1606 − 10 (2023)
8. Sampling, Test Specimens, and Test Units differ by more than the “r” value for that material; “r” is the
interval representing the critical difference between two test
8.1 Since the amount of lead and cadmium that leaches from
results for the same material, obtained by the same operator
a decoration can be affected by the relative size of the
using the same equipment on the same day in the same
decoration, it is important to start with two sets of 10 units
laboratory.
each.
10.1.1.1 Repeatability limits are listed in Table 1 and
Table 2.
9. Procedure
10.1.2 Reproducibility limit (R)—Two test results shall be
9.1 To minimize the variation of sampling, this testing shall
judged not equivalent if they differ by more than the “R” value
be done in duplicate, and therefore, take two sets of 10 units of
for that material; “R” is the interval representing the critical
the glassware to be tested.
difference between two test results for the same material,
9.2 Pre-break the glass prior to milling, using the following
obtained by different operators using different equipment in
procedure:
diff
...

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