Section 1 Introduction - National Marine Fisheries Service - NOAA
Section 1 Introduction - National Marine Fisheries Service - NOAA
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<br />
Event<br />
Description<br />
Date: 10/4/2011<br />
Inside Pile<br />
EHW1<br />
Table 6. Summary of Airborne Sound Levels During Pile Driving<br />
Weighting<br />
Measured Sound Pressure Level - RMS Calculated<br />
WRA Boat<br />
Ave Max<br />
North Shore<br />
Ave Max<br />
South Shore<br />
Ave Max<br />
distance (m)<br />
to 100 dB<br />
RMS<br />
Calculated<br />
distance (m)<br />
to 90 dB RMS<br />
Unweighted N/A N/A 69 75 74 79 15 50<br />
A-weighted N/A N/A 59 63 55 62<br />
Distance(m) 150 265 527<br />
Date: 10/5/2011<br />
Unweighted 78 85 73 79 66 71 29 92<br />
BP1 A-weighted 67 77 64 72 54 60<br />
Distance(m) 170 265 527<br />
Unweighted 81 86 73 77 68 73 33 105<br />
BP2 A-weighted 70 78 61 67 54 59<br />
Date: 10/7/2011<br />
Distance(m) 170 265 527<br />
Unweighted 78 89 N/A N/A Meter<br />
34 109<br />
RX5 A-weighted 68 82 N/A N/A Removed<br />
Distance(m) 118<br />
10/5/2011<br />
Unweighted 83 90 N/A N/A 37 117<br />
RX6 A-weighted 71 83 N/A N/A<br />
Distance(m) 118<br />
Unweighted 78 83 N/A N/A 16 52<br />
RX7 A-weighted 66 73 N/A N/A<br />
Distance(m) 118<br />
Unweighted 79 87 N/A N/A 33 105<br />
RX8 A-weighted 66 79 N/A N/A<br />
Distance(m) 150<br />
Unweighted N/A N/A N/A N/A<br />
RX1 A-weighted N/A N/A N/A N/A<br />
Distance(m) 117<br />
Unweighted 79 85 N/A N/A 22 68<br />
FW1 A-weighted 68 75 N/A N/A<br />
Distance(m) 120<br />
Unweighted 80 84 N/A N/A 18 58<br />
FW2 A-weighted 65 76 N/A N/A<br />
Distance(m) 120<br />
Unweighted 81 87 N/A N/A 28 88<br />
FW3 A-weighted 67 79 N/A N/A<br />
Distance(m) 120<br />
Unweighted 83 85 N/A N/A 22 68<br />
FW4 A-weighted 66 74 N/A N/A<br />
Date: 10/8/2011<br />
Distance(m) 120<br />
Unweighted 75 80 N/A N/A 10 30<br />
FW5 A-weighted 64 73 N/A N/A<br />
Distance(m) 100<br />
Unweighted 76 82 N/A N/A 12 38<br />
FW6 A-weighted 64 70 N/A N/A<br />
Distance(m) 100<br />
Unweighted 75 81 N/A N/A 11 36<br />
FW7 A-weighted 64 69 N/A N/A<br />
Distance(m) 100<br />
Bangor, Washington 28