PERMFILE57905

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 2/19/2002
• Doc Name: GROUND MOTION ATTENUATION STUDY
• Section_Exhibit Name: TAB 14 ATTACHMENT 14-3
• Media Type: D
• Archive: No

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SENECA COAL COMPANY
Ground Motion Attenuation Study Data Set
Yoast Mine, November 29, 2001
Shot
Number Depth
(feet) Charge Weight
(pounds) Instrument
Number Distance (ft) Scaletl Distance Peak Particle Velocity
(inches per second)
1 40 1070.0 BC7820 300 9.2 3.800
1 40 1070.0 BC5571 500 15.3 1.940
1 40 1070.0 BC5576 700 21.4 1.640
1 40 1070.0 BC5536 900 27.5 1.050
1 40 1070.0 BE6723 1200 36.7 0.545
1 40 1070.0 BC7818 1500 45.9 0.340
1 40 1070.0 BE6516 2278 69.6 0.165
1 40 1070.0 BC7817 2496 76.3 0.120
1 40 1070.0 BC7092 3146 96.2 0.145
1 40 1070.0 BA5546 4059 124.1 0.045
1 40 1070.0 BA5738 5014 153.3 0.060
2 40 1070.0 BC7820 300 9.2 3.280
2 40 1070.0 BC5576 500 15.3 2.720
2 40 1070.0 BC5536 700 21.4 1.390
2 40 1070.0 BC5571 900 27.5 0.800
2 40 107D.0 BC7818 1300 39.7 0.475
2 40 1070.0 BE6723 2000 61.1 0.225
2 40 1070.0 BC7817 2466 75.4 0.075
2 40 1070.0 BC7092 3038 92.9 0.080
2 40 1070.0 BE6516 3818 116.7 0.055
2 40 1070.0 BA5738 4559 139.4 0.045
2 40 1070.0 BA5546 5000 152.9 0.035
3 40 1220.0 BC7820 300 8.6 2.830
3 40 1220.0 BC5576 711 20.4 1.100
3 40 1220.0 BC5536 911 26.1 0.770
3 40 1220.0 BC5571 1118 32.0 0.445
3 40 1220.0 BC7818 1531 43.8 0.395
3 40 1220.0 BE6723 2239 64.1 0.170
3 40 1220.0 BC7817 2488 71.2 0.205
3 40 1220.0 BC7092 3289 94.2 0.080
3 40 1220.0 BE6516 4055 116.1 <0.050
3 40 1220.0 BA5738 4778 136.8 0.075
3 40 1220.0 BA5546 5247 150.2 0.050
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