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ASTM F3188-16(R2021) pdf free download

ASTM F3188-16(R2021) pdf free download.Standard Specification for Extractable Hazardous Metals in Synthetic Turf Infill Materials
1. Scope
1.1 This specification relates to the amount ofcertain metals that have the potential to be extracted from synthetic turf infill materials if ingested. The time, temperature, and pH of the extraction fluid approximate the conditions the infill material would experience in the stomach during the digestive process. The levels of extractable metals are compared to maximum levels allowed in children’s toys. 1.2 This specification applies to all materials (man-made or natural) that are intended for use as infill materials for synthetic turf sports surfaces. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 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 appro- priate safety, health, and environmental practices and deter- mine the applicability ofregulatory limitations prior to use. 1.5 This international standard was developed in accor- dance with internationally recognized principles on standard- ization established in the Decision on Principles for the Development of International Standards, Guides and Recom- mendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
7. Significance and Use
7.1 This test method is based on subsection 8.3 ofConsumer Safety Specification F963, which specifies a test procedure to determine the amount of hazardous metals that have the potential to be present in toys and handled or ingested by children. Since it is possible for users of synthetic turf playing surfaces to handle or ingest particles of synthetic turf infill materials, it is necessary to determine the level of hazardous metals in the synthetic turf infill materials. The limits of hazardous metals used in this specification are based on those specified in Consumer Safety Specification F963, adjusted for statistical error correction factor as described in Consumer Safety Specification F963.
9. Reagents
9.1 Purity of Reagents—Reagent grade chemicals shall be used in all tests. Unless otherwise indicated, it is intended that all reagents conform to the specifications of the Committee on Analytical Reagents of the American Chemical Society where such specifications are available. 5 Other grades are permitted, provided it is first ascertained that the reagent is of sufficiently high purity to permit its use without lessening of the accuracy of the determination. 9.2 Hydrochloric Acid Solution, 0.08 mol/L. 9.3 Hydrochloric Acid Solution, 2.0 mol/L. 9.4 Purity of Water—Unless otherwise indicated, reference to water shall be understood to mean reagent water as defined by Type 3 of Specification D1193.
10. Procedure
10.1 From the laboratory sample (6.1) of infill material, select a test portion of at least 100 mg 10.2 Mix the test portion with 50 times its mass of an aqueous solution of0.08-mol/L hydrochloric acid at 37 6 2°C. Shake for 1 min.10.3 Measure the pH ofthe mixture. Ifthe pH is greater than 1.5, add drop-wise while shaking an aqueous solution of 2 mol/L (7.3 %) hydrochloric acid until the pH is between 1.0 and 1.5. Protect the mixture from light. Continuously shake the mixture for 1 h and allow to stand for 1 h at a temperature of 37 6 2°C. N OTE 1—It has been shown that the extraction of soluble cadmium can increase two to five times when extraction is conducted in the light rather than in the dark. 10.4 Without delay, separate the solids from the mixture by filtering through a membrane filter with a pore size of0.45 µm. If necessary, centrifuge at 5000 6 500 rpm for no longer than 10 min. Analyze the solution using EPA Methods 7470A and 6010B to determine the present of the elements listed in Table 1. 10.5 If it is not possible to analyze the sample within one working day, stabilize by the addition of hydrochloric acid (HCl) so that the solution is approximately 1 mol/L of HCl; then proceed with EPA Methods 7470A and 6010B.

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