Section 1 Introduction - National Marine Fisheries Service - NOAA

NBK at Bangor EHW-1 Pile Replacement Project Final Marine 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: 10/14/2011 (continued)
EHW1 2
Unweighted 74 81 N/A N/A -- --
A-weighted 68 78 N/A N/A
Distance(m)
Unweighted
1063
76 84 N/A N/A -- --
A-weighted 67 80 N/A N/A
Distance(m) 1063
EHW3 2
Unweighted 82 86 N/A N/A -- --
A-weighted 68 76 N/A N/A
Date: 10/15/2011
Distance(m) 1060
EHW2 2
Unweighted 75 86 N/A N/A -- --
A-weighted 66 77 N/A N/A
Distance(m) 1068
EHW9 2
Unweighted 76 87 N/A N/A -- --
A-weighted 66 75 N/A N/A
Distance(m)
Unweighted
1068
N/A N/A N/A N/A -- --
A-weighted N/A N/A N/A N/A
Distance(m) 1068
Unweighted 80 89 N/A N/A 60 189
EHW8 A-weighted 74 85 N/A N/A
Date: 10/17/2011
Distance(m) 210
Unweighted 77 84 N/A N/A 45 143
A-weighted 68 83 N/A N/A
EHW14
Distance(m)
Unweighted
275
80 90 N/A N/A 86 272
A-weighted 73 88 N/A N/A
Distance(m) 275
Unweighted 77 89 N/A N/A 73 231
A-weighted 66 79 N/A N/A
EHW15
Distance(m)
Unweighted
275
77 84 N/A N/A 44 139
A-weighted 66 79 N/A N/A
Date: 10/19/2011
Distance(m) 275
Unweighted 79 87 N/A N/A 35 110
A-weighted 71 83 N/A N/A
EHW11
Distance(m)
Unweighted
155
81 89 N/A N/A 43 137
A-weighted 68 86 N/A N/A
Date: 10/21/2011
Distance(m) 155
Unweighted 82 91 N/A N/A 53 168
W8 A-weighted 64 71 N/A N/A
Distance(m) 143
Unweighted 82 91 N/A N/A 52 164
W10 A-weighted 66 71 N/A N/A
Distance(m) 143
Bangor, Washington 31