D – 76 Standard Methods for Collection Of A Gross Sample Of Coal. ASTM. American Society for Testing and Materials. Btu/lb. British thermal units of samples recommended by ASTM D/M can be found in Table 3. ASTM D/DM Standard Practice for Collection of a Gross Sample of Coal. standard by ASTM International, 10/15/ View all product details.
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When Is a Coal Sample a Sample? – ECSIECSI
Link to Active This link will always route to the current Active version of the standard. For the sampling of coal using mechanical sampling systems see D Practice for the Mechanical Sampling of Coal. You may delete a document from your Alert Profile at any time. The simple matter of gathering a sample of coal and sending it to the laboratory now has become quite an arduous procedure requiring some sophisticated and specialized apparatus—apparatus that many facilities may not have access to.
Two other ASTM standards enter the picture:. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.
When Is a Coal Sample a Sample?
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ASTM D prescribes how the gross sample is to be ground, mixed, and divided using milling and rifling equipment rifling is a type of sorting process to yield a quantity that remains representative of the whole, while being suitable in size for analysis. Two other ASTM standards enter the picture: And, it may need to be done much more frequently than once per shipment. Your Alert Profile lists the documents that will be monitored. The sample is to be crushed and further prepared for analysis in accordance with Practice D 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.
This standard is not included in any packages. While 40 CFR Part 98 does not specifically prescribe the above sampling and preparation methods, it names no alternative protocol either.
Standard Practice for Collection of a Gross Sample of Coal
If you read no further, you may think this is a fairly simple and straightforward matter. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
If a true lot is larger than 1, tons, sampling increments are either increased proportionately, or the total quantity is subdivided and each sub-lot is sampled individually. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. ASTM D also defines a lot as 1, tons of coal. Please first log in with a verified email before subscribing to adtm.
For the sampling of coal using mechanical sampling systems see Asttm Practice for the Mechanical Sampling of Coal. As is often the case, however, this matter is neither simple nor straightforward.
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ASTM D – 76 Standard Methods for Collection Of A Gross Sample Of Coal
Already Subscribed to this document. Subscription pricing is determined by: It is the responsibility of d224 user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Because of the variability of coal and the wide variety of sampling equipment, caution should be used in all stages of sampling from system specifications and equipment procurement to equipment acceptance testing and actually taking the final sample. Alternative interpretations will no doubt be made as the regulated d22234 grapples with this new rule.
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