Section 15.101 - Site Evaluation Criteria(1) Every proposed disposal area shall be examined by a Soil Evaluator and the Approving Authority to determine if the disposal area is compatible with the proposed sewage disposal system in relation to the design flow set forth in 310 CMR 15.203 and system location criteria set forth in 310 CMR 15.106.(2) Every proposed disposal area shall be assessed based on the following field test and analysis criteria: (a) deep observation hole testing;(b) soil profile determination;(d) landscape position; and(e) hydrogeologic properties(3) Site evaluation may be conducted at any time of the calendar year, provided that the Soil Evaluator makes and records on the site evaluation form proper consideration of the hydrogeologic properties of the specific site as required in 310 CMR 15.107 for the period of the water year within which the evaluation is performed.