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The Interlaboratory Study (ILS) Program was established by ASTM's Board of Directors
to help ensure that every one of ASTM's test methods is validated by a Precision Statement that quantifies
what a user of any given standards can expect to achieve in terms of repeatability (what one laboratory analyzing
the same sample multiple times would likely see as its range of acceptable results) and reproducibilty
(the difference that would be expected if the same sample were analyzed using the same standard in multiple laboratories).
Ultimately, having precision statements supported by data driven studies will enable users, producers, and consumers
to all have even greater confidence in the ASTM Test Methods that they reference.
Laboratories volunteer to participate in the ILS Program knowing that they will have a direct impact on the Test Method being tested, and the way that it is utilized by their counterparts around the world. Participating labs are acknowledged on the ILS webpage and in the resulting ASTM Research Report, and while the specific data reported is randomized, labs can use their findings to assess their own performance as compared to that of their peers. ASTM's ILS Program provides overall administrative support to all registered studies. Currently Registered Interlaboratory Studies: Click on one of the following links to review a description of the proposed study and a list of participating laboratories. WK13360 Standard Test Method for Open Time of Latex Paints WK22569 Standard Test Method for Resistance to Mold Growth on Interior Coated Building Products in an Environmental Chamber Operated at Conditions Favorable to Microbial Growth D4541 - Pull-Off Strength of Coatings Using Portable Adhesion Testers D6132 - Nondestructive Measurement of Dry Film Thickness of Applied Organic Coatings Using an Ultrasonic Gage WK6749 Fiber Shedding of Paint Roller Covers D6990 - Evaluating Biofouling Resistance and Physical Performance of Marine Coating Systems D4446 - Anti-Swelling Effectiveness of Water-Repellent Formulations and Differential Swelling of Untreated Wood When Exposed to Liquid Water Environments D4446 - Anti-Swelling Effectiveness of Water-Repellent Formulations and Differential Swelling of Untreated Wood When Exposed to Liquid Water Environments D4417 - Field Measurement of Surface Profile of Blast Cleaned Steel Test Method for Measuring Roundness and Sieve Size of Glass Spheres Using Digital Analysis of Flowing Particles D7245 - Measuring Total Water and Volatiles in Liquid Coatings Which Produce Cure Water Upon Heating D4541 - Pull-Off Strength of Coatings Using Portable Adhesion Testers D1155 - Roundness of Glass Spheres-Procedure A D6906 - DETERMINATION OF TITANIUM TREATMENT WEIGHT ON METAL SUBSTRATES BY X-RAY FLUORESCENCE Interlaboratory Studies Completed in the previous 12 months: Click on one of the following links to review a description of the study proposal and a list of participating laboratories. There were no ILS programs completed for this committee in the previous 12 months. |