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<br />Operational Noise Impact Results - Atlanta Compressor Station (MEP 2) <br />Existing <br />Ld„ Noise <br />Levels at <br />Ld„ When Existing Noise Levels are <br />NSA <br />Each <br />Combined with Pro <br />ject (dBA) <br />Expected In <br />crease (dBA) from Project <br />Location <br />I <br />(dBA) <br />Original <br />Amended <br />Expansion <br />Original <br />Amended <br />Expansion <br />NSA l <br />59.6 <br />60.7 <br />N/A <br />60.4 <br />1.1 <br />N/A <br />0.8 <br />NSA 2 <br />59.2 <br />59.5 <br />N/A <br />59.5 <br />0.3 <br />N/A <br />0.3 <br />NSA 3 <br />68.3 <br />68.4 <br />N/A <br />65.4 <br />0.1 <br />N/A <br />0.1 <br />NSA 4 <br />54.8 <br />55.0 <br /> <br />N/A <br /> <br />55.0 <br />- - <br />0.2 <br />N/A <br />0.2 <br />NSA 5 <br />52.1 <br />52.2 <br />N/A <br />52.2 <br />0.1 <br />N/A <br />0.1 <br />Operational Noise Impact Results - Vicksburg Compressor Station (MEP 4)* <br />Existing <br />"Because we are <br />Ld„ lYoise <br />proposing to move the <br />Levels at <br />Ld„ When Esisting Noise <br />Expected Increase (dSA) from <br />Vicksburg station <br />NSA <br />Levels are Combined with <br />approximately 3.5 miles <br />Each <br />Project (dBA) <br />project <br />east in the amended filir <br />Location <br />we did not include the <br />(dBA) <br />noise measurements at <br />Amended <br />Expansion <br />Amended <br />F.xpansion <br />the original site. <br />Location <br />Location <br />NSA 1 <br />43.1 <br />51.8 <br />52.8 <br />8.7 <br />9.7 <br />NSA 2 <br />47.3 <br />51.2 <br />51.9 <br />3.9 <br />4.6 <br />NSA 3 <br />44.9 <br />51.1 <br />52.0 <br />6.2 <br />7.1 <br />- 0 «0 28' 1. <br />