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person making the measurements. At a minimum, the summary sheet <br />shall include: <br />A. date; <br />B. time; <br />C. location; <br />D. noise source; <br />E. wind speed and direction; <br />F. temperature; <br />G. humidity; <br />H. make and model of measuring equipment; <br />I. field calibration results; <br />J, monitored levels; and <br />K. site sketch indicating noise source, measurement <br />location, directions, distances, and obstructions. ., <br />7010.0070 SOUND ATTENUATION MEASUREMENT METHODOLOGY. <br />Subpart I. Purpose. Sound level measurements made for <br />assessing sound attenuation as specified in part 7010.0050, <br />subpart 3, item B, C, or D, shall be made according to the <br />requirements of this part. <br />Subp. 2. Equipment. The equipment shall meet the <br />requirements specified in part 7010.0060, subpart 2. <br />Subp. 3. calibration. The equipment must meet the <br />calibration requirements specified in hart 7010.0060, subpart 3. <br />Subp. 4. Measurement procedure. The measurement procedure <br />described in FHWA-DP-45-1R, section B must be used for <br />determination of the sound attenuation. <br />Subp. 5. Equivalent methods. Methods equivalent to those <br />n <br />