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i D 3385 APPENDIX (Nonmandatory Information) . ` XI. DETERMINATION OF MOISTURE PATTERN tl 0.1 Although not considered a required pari of the test of the former position of the rings.Orient the trench so that the 1Rhod, the determination of the moisture pattern in the other wall is illuminated by the sun, if the day is sunny. If ioistened soil beneath the infiltration rings commonly pro- feasible,dig the trench large enough to include all of the newly les information useful in interpreting the movement of liquid moistened area. Collect samples from the shaded wall of the t .ough the soil profile. For example, horizontal liquid move- trench for determination of water content. If preferred, an `k lent may be caused by lower-permeability layers and will be auger, such as the orchard barrel type, may be used to 'entified by a lateral spreading of the wetted zone.Thus, the determine the approximate outline of the moistened area below '- ploration of the soil moisture pattern below an infiltration the rings and to collect samples for water content. `,It in an unfamiliar area may identify subsurface conditions hat may have affected the test and later applications of the X1.3 Plot the visibly moistened area on graph paper or on ta. the cross-section part of the report form(see Fig.4).If samples k, �XI.2 If the investigator wishes to make such a study,dig a were collected and water contents were determined, contours rench so that one wall of the trench passes along the center line of water content also can be plotted on the graph. q. The American Society for Testing and Materials takes no position respecting the validity or any patent rights asserted in connection ` . with any item mentioned in this standard users of this standard are expressly advised that determination of the validity of any such patent tights,and the risk of infringement of such rights,are entirely their own responsibility. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and , ` if not revised,either reapproved or withdrawn.Your comments are invitedeither forrevision of this standamor foradditional standards and should be addressed to ASTM Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical commdtee,which you may attend.8 you feel that your comments have not received a fair hearing you should make your We"known to the ASTM Committee on Standards, 100 Barr Harbor Drive, West Conshohocken,PA 19428. _11 3 377