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IM D 3385 APPENDIX (Nonmandatory Information) L XI. DETERMINATION OF MOISTURE PATTERN j ,1.1 Although not considered a required part of the test of the former position of the rings.Orient the trench so that the .i,. hod, 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 �{ s information useful in interpreting the movement of liquid moistened area. Collect samples from the shaded wall of the es the soil profile. For^example, horizontal liquid move- trench for determination of water content. If preferred, an lent may be caused by lower-permeability layers and will be auger, such as the orchard barrel type, may be used to Q)n1ifted by a lateral spreading of the wetted zone.Thus, the determine the approximate outline of the moistened area belowloration of the soil moisture pattern below an infiltration the rings and to collect samples for water content in an unfamiliar area may identify subsurface conditions 11 hat may have affected the test and later applications of the X1.3 Plot the visibly moistened area on graph paper or on a• the cross-section part of the report form(see Fig.4).If samples k t: 1.2 If the investigator wishes to make such a study,dig a were collected and water contents were determined, contours r ench so that one wall of the trench passes along the center line of water content also can be plotted on the graph. 1j, .. �3 TheAmerrcan Society for Testing and Materials takes no position respecting the validity of 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 rights,and the risk of infringement of such tights,are entirely their own responsibility. This standard is subject to revision of any time by the responsible technical committee and must be reviewed every five years and ,fill' _ if not revised,either reapproved or withdrawn.Yourcomments are invited either forrevision of this standard or for additional standards e and should be addressed to ASTM Headquarters, Your comments will receive careful consideration of a meeting of the responsible technical committee,which you may attend.Y you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, 100 Barr Harbor Drive,West Conshohocken,PA 19428. Ir It I4 .1•,-5 x I { 377