Section 1 Introduction - National Marine Fisheries Service - NOAA

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NBK at Bangor EHW-1 Pile Replacement Project Final <strong>Marine</strong> Mammal Monitoring Report Event Description Date: 10/4/2011 Inside Pile EHW1 Table 6. Summary of Airborne Sound Levels During Pile Driving Weighting Measured Sound Pressure Level - RMS Calculated WRA Boat Ave Max North Shore Ave Max South Shore Ave Max distance (m) to 100 dB RMS Calculated distance (m) to 90 dB RMS Unweighted N/A N/A 69 75 74 79 15 50 A-weighted N/A N/A 59 63 55 62 Distance(m) 150 265 527 Date: 10/5/2011 Unweighted 78 85 73 79 66 71 29 92 BP1 A-weighted 67 77 64 72 54 60 Distance(m) 170 265 527 Unweighted 81 86 73 77 68 73 33 105 BP2 A-weighted 70 78 61 67 54 59 Date: 10/7/2011 Distance(m) 170 265 527 Unweighted 78 89 N/A N/A Meter 34 109 RX5 A-weighted 68 82 N/A N/A Removed Distance(m) 118 10/5/2011 Unweighted 83 90 N/A N/A 37 117 RX6 A-weighted 71 83 N/A N/A Distance(m) 118 Unweighted 78 83 N/A N/A 16 52 RX7 A-weighted 66 73 N/A N/A Distance(m) 118 Unweighted 79 87 N/A N/A 33 105 RX8 A-weighted 66 79 N/A N/A Distance(m) 150 Unweighted N/A N/A N/A N/A RX1 A-weighted N/A N/A N/A N/A Distance(m) 117 Unweighted 79 85 N/A N/A 22 68 FW1 A-weighted 68 75 N/A N/A Distance(m) 120 Unweighted 80 84 N/A N/A 18 58 FW2 A-weighted 65 76 N/A N/A Distance(m) 120 Unweighted 81 87 N/A N/A 28 88 FW3 A-weighted 67 79 N/A N/A Distance(m) 120 Unweighted 83 85 N/A N/A 22 68 FW4 A-weighted 66 74 N/A N/A Date: 10/8/2011 Distance(m) 120 Unweighted 75 80 N/A N/A 10 30 FW5 A-weighted 64 73 N/A N/A Distance(m) 100 Unweighted 76 82 N/A N/A 12 38 FW6 A-weighted 64 70 N/A N/A Distance(m) 100 Unweighted 75 81 N/A N/A 11 36 FW7 A-weighted 64 69 N/A N/A Distance(m) 100 Bangor, Washington 28
NBK at Bangor EHW-1 Pile Replacement Project Final <strong>Marine</strong> Mammal Monitoring Report Event Description Weighting Measured Sound Pressure Level - RMS WRA Boat North Shore South Shore Ave Max Ave Max Ave Max Calculated distance (m) to 100 dB RMS Calculated distance (m) to 90 dB RMS Date: 10/8/2011 (continued) Unweighted 73 83 N/A N/A 14 44 FW8 A-weighted 63 78 N/A N/A Date: 10/10/2011 Distance(m) 100 Unweighted 84 89 78 81 24 76 W6 A-weighted 72 79 66 72 Distance(m) 87 238 Unweighted 83 89 78 84 18 56 W5 A-weighted 73 81 67 73 Distance(m) 65 238 Unweighted 84 94 79 85 32 102 W4 A-weighted 72 81 65 84 Distance(m) 65 238 Unweighted 82 87 79 83 19 60 W6 - Revib A-weighted 74 80 67 73 Distance(m) 87 238 Unweighted 83 89 79 84 19 61 W3 A-weighted 72 77 65 70 Distance(m) 65 238 Unweighted 80 90 79 83 17 54 W5 - Revib A-weighted 68 77 63 69 Distance(m) 55 238 Unweighted 82 87 78 88 26 83 W11 A-weighted 67 75 65 75 Distance(m) 115 238 Unweighted 78 86 75 86 23 73 W12 A-weighted 68 79 65 74 Date: 10/11/2011 Distance(m) 115 238 W2 1 Unweighted 80 89 78 81 28 89 A-weighted 65 78 64 70 Distance(m) 146 250 W1 1 Unweighted 78 86 78 82 32 102 A-weighted 68 77 66 74 Distance(m) 135 250 W7 1 Unweighted 88 100 79 84 37 117 A-weighted 68 78 66 75 Distance(m) 130 230 W9 1 Unweighted 82 97 78 86 48 152 A-weighted 68 83 66 80 Distance(m) 130 230 W10 1 Unweighted 94 109 79 85 42 132 A-weighted 70 77 67 74 Distance(m) 122 230 W8 1 Unweighted 85 98 80 85 40 128 A-weighted 68 76 66 72 Distance(m) 130 230 Bangor, Washington 29
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Section 1 Introduction - National Marine Fisheries Service - NOAA

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