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-30- <br />forth in the rule is the formula which is commonly used and <br />accepted in the field of acoustics and <br />therefore <br />all soundlevelreasonable. Subpart 7 provides that a summary sheet <br />measurements shall be completed and signed by the person making <br />the measurements. The summary shall include as a minimum <br />the date, time, location, noise source, wind speed and direction, <br />temperature, humidity, specific instrumentation, calibration <br />results, noise levels, and a sketch of the monitoring site. It is <br />reasonable to require that a summary sheet be prepared so that <br />this information will be available for review to determine <br />the specific conditions under which the monitoring event <br />occurred. Because the person doing the measurement needs to be <br />aware of all of these items in order to ensure the making of an <br />accurate measurement, it is reasonable to require the person to <br />take an additional few minutes to record them in writing. <br />Fact 701U.uviu, =_ws- <br />This part contains five subparts. Subpart 1 provides that <br />tion <br />sound level measurements made for assessing <br />sounC/a��eDuaehallabe <br />specified in Part 7010.0150, subpart 3, item B, <br />made according to the requirements of this part. It is <br />reasonable to set forth a sound attenuation methodology <br />to <br />clarify which procedures are acceptable and will yield <br />representative data. <br />