Laserfiche WebLink
������� esi e ng i n�eri ng <br />Acoustic Test Results <br />Project No: P2846 Analyzer: Larson Davis 831 s/n 3553 <br />Project: Mr. Steve Pullar - Elk River Sportsman's Club Preamplifier: Larson Davis PRM831 s/n 029391 <br />Location: Elk River, Minnesota Microphone: Larson Davis 377C20 s/n 315625 <br />Engineer: A.A.J. Schmitt Calibrator: Larson Davis CAL200 s/n 18322 <br />Last Calibrated: February 11, 2022 <br />Location: Near Curve on Club Road, East Side of Site Meteorology: Temperature: 69 - 74 °F <br />Date: 5/18/2022 Wind Speed / Dir.: 2- 11 MPH / N <br />Start Time: 11:43:01 AM Humidity: 53 - 69% <br />End Time: 2:10:05 PM Calibration Check: Calibration Frequency: 1 kHz <br />Run Time: 8824.0 seconds Initial Calibration: 94.0 dB <br />Final Calibration: 94.0 dB <br />Measurements: One Second and Hourly Ambient Noise Levels Last Cal. Check: 5/18/22 @ 2:10 PM <br />A-Weighted Results <br />22051800.LD0 - LAF <br />22051800.LD0 - LAeq <br />m <br />� <br />0 <br />a <br />� <br />m <br />� <br />m <br />� <br />y <br />m <br />i <br />a <br />� <br />0 <br />� <br />90 <br />2:00:00 PM <br />� � � 35.5 dBA <br />�B � � � � 42.3 dBA <br />80 II I I I I <br />70 II I I I I <br />60 I <br />50 I <br />40 <br />30 <br />20 II <br />12:OO:PM 12:30:PM 1:OO:PM 1:30:PM 2:00 <br />Time, h.m.s AM/PM <br />Noise Monitoring <br />Measured Hourly LAeq Data <br />Time LAeq <br />12:00:00 PM 43 dBA <br />1:00:00 PM 44 dBA <br />PM <br />Figure A1 <br />