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blast-induced event recorded on February 15, 2002. A copy blast log kept by <br />Lorencito Coal Company is included as page 8 of this report. <br />The location of the seismograph setup during this monitoring episode relative to <br />the blast area is shown in Figure A. There is no residence or dwelling closer to <br />the blast site than the shed (seismograph) located at the school football field. <br />~,~~. <br />,~.~`~ <br />a\ - ~t <br />r_ 1~.~'/~/, <br />::............. <br />~~~~. <br />°`~~ a <br />Seismograph ~ ''~ `~~~ <br />^~` _~ .; <br />~~ ~ <br />- , m. <br />3300-4700 feet minimum ~~~ <br />-z~ ,..~- to blast location ~ <br />~,\ <br />~: ,~ <br />~~- <br />-_ `._ <br /> <br />"~~- <br />~,~.,~ <br />~~ -~-- <br />~~ ~~ <br />„~. <br />_-- ;~ ;. <br />_ ~ ~~. <br />~, <br />,~ ~ <br />~. <br />,, <br />~~ ~ -~ ~ v t <br />location of seismograph and blast area <br />Figure A - <br />Based on the actual data recorded and the blasting data reviewed to date, the <br />Division believes that blasting operations are being conducted as required by the <br />Rules to prevent damage to residences and property. Lorencito Coal Company, LLC <br />is in compliance with Rule 4.08.4(6), 4,08.4(10), and 4.08.5. <br />4 <br />