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' quo Designation: D 4874 -95 Bw,,,,50�;n� �°';"' <br /> UU aqpd.rd ban the ICAO emi of Asru SWode s.CWrV■Asfra <br /> n via astao ti�orra.a"samara Itdaa,rW 1prr n sir nut'anon <br /> Standard Test Method for <br /> Leaching Solid Material in a Column Apparatus' <br /> ' This standard is issued under the Axed designation D 4874;dr numb"immediately following the designation indicab the year of <br /> original adoption or,in the eve or revision,the year of last revision.A number in parcnthee inditatn the ym orlon reappmvat A <br /> mpencript epolon(,)indicates an edimrial Gunge since the last ee"num or ttapppvar <br /> 1. Scope standard.The values given in parentheses are in approximate <br /> L I This test method is a standard laboratory procedure inch-pound equivalents. <br /> for generating aqueous leachate from materials using a 1.9 This standard does not purport to address all of the <br /> column apparatus. It provides a leachate suitable for organic safety concerns, if any, associated with its use. it is the <br /> analysis of semtivolatile and nonvolatile compounds as well responsibility of the user of this standard to establish appro- <br /> ' as inorganic analyses, priate safety and health practices and determine the apDlica- <br /> 1.2 The column apparatus is designed and concocted of bility of regulatory limitations prior to use. <br /> materials chosen to enhance the leaching of low concentra- <br /> tions of semivolatile and nonvolatile organic constituents as 2. Referenced Documents <br /> well as to maximize the leaching of metallic species from the 2,1 ASTM Standards: <br /> solid. Analysis of column effluent provides information on C 819 Test Method for Specific Surface Area of Carbon or <br /> the leaching characteristics of material under the conditions Graphite' <br /> used in the test. D 422 Test Method for Particle Size Analysis of Soils' <br /> 1.3 This test method provides for the passage of an D698 Test Method for LaboratoryCompaction <br /> aqueous fluid through materials of known mass in a satu- 12 400 Chem)) <br /> teristies of Soil Using Standard Effort(12 4f)0 R-lbf/ft)) <br /> rated up-flow mode. (600 kN-m/m?)? <br /> ' 1.4 It is intended that the sample used in the procedure be D 854 Test Method for Specific Gravity of Soils3 <br /> physically,chemically,and biologically representative of the D 1125 Test Methods for Electrical Conductivity and <br /> material. Resistivity of Watery <br /> ' 1.5 This test method does not produce results that can be D 1129 Terminology Relating to Water' <br /> used as the sole basis for(1)engineering design of a disposal D 1293 Test Methods for pH of Watery <br /> site, or (2) the characterization of wastes based on their D 1498 Practice for Oxidation-Reduction Potential of <br /> leaching characteristics. Water' <br /> ' 1.6 This test method has the following limitations: D 1888 Test Methods for Particulate and Dissolved Matter <br /> 1.6.1 Maximum particle size 1s 10 mm (0.4 in.). Particle in Waters <br /> size reduction is not recommended.Large-diameter material D 2216 Test Method for laboratory Determination of <br /> (cinders, rocks, and so for(h) should be removed prior to Water(Moisture)Content of Soil and Rock2 <br /> ' packing the column to ensure adequate compaction. D 2434 Test Method for Permeability of Granular Soils <br /> 1.6.2 Test materials containing densely immiscible or- <br /> (Constant Headp <br /> gamic material may result in phase separation and lead to D 3370 Practices for Sampling Water' <br /> column plugging. D 3694 Practice for Preparation of Sample Containers and <br /> ' 1.6.3 This test method does not difrerentiate between for Preservation of Organic Constituentsd <br /> dissolved constituents and sub-70-µm particulates that pass D 4253 Test Methods for Maximum Index Density and <br /> through the pores of the end plates. Unit Weight of Soils Using a Vibratory Table' <br /> 1.6.4 This test method is not applicable to the leachability E 691 Practice for Conducting an Interlaboratory Study to <br /> ' characterization of materials with regard to volatile com- Determine the Precision of a Test Method? <br /> pounds. <br /> 1.6.5 This test method is not applicable to the character- 3. Terminology <br /> ization of materials that dissolve in water to a degree that 3.1 Definitiorr <br /> ' significantly impacts the void volume in the column or the 3.1.1 reagent water—as defined in SW-846,Method 1311. <br /> determination of the specific gravity of the material. 5 2 1 <br /> 1.7 Application of this test method to materials with 3.1.2 void volume—the volume between the solid particles <br /> ' initial low permeability, or to those that lose permeability <br /> over the course of the test,may result in long testing periods. <br /> 1.8 The values stated in SI units are to be regarded as the s Diamginued,is 1988 Anmm1 took dfAST,tt Standunit.Vol 13.01. <br /> y Annual Book gfAST2f Slandordr.Vol 04M. <br /> ' 4 Annual Book tyASTN Slandardr.Vol 11 A1. <br /> This cat method is under the jurisdiction or ASTM Committee D-34 on 1,1)(am issued,nr 1990 Antra(Soak gfAST.II Sfadam}.Vol 11.01. <br /> Waste Maoyemenr and is the direct tespoevbahy of Subeommittec DUM on •Annual Soak agrASTM Slandadr,Vol 11.02. <br /> Fby,iol and Chemical Choactexins ion. 'Annual Book gfAS7W StadprdA Vol 14.02. <br /> CurRm edition appowd Oa 10. 199S.Published December 1995,originally 'SW-946.3nd cd..Method 1311.Available from t1SUA.Ofr=of Solid Wage <br /> ' pumirhtl as D 4874-19.lass pranous edition D 4874-99. and Emergency Respmq Washinglom.OC 20460. <br /> 1 <br />