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<br />Memo to Joe Dudash <br />Bowie #2 Gob Response <br />page 2 <br />compressed, but that this would result in conservatively low determinations of in-place density. <br />In fact, the tubes may actually collapse, resulting in no specimen retrieval and therefore no <br />density determination. However, this method should be less destrctive to the GOB pile. <br />Therefore, BRL must be willing to accept the risk of conmpleting multiple auger installations, if <br />necessitated, in order to obtain "continuous thin wall (Shelby) tube samples through the zone of <br />the nmaterial in question...". <br />(2) In order to demonstrate consistency of conmpac[ion results throughout the GOB pile, <br />BRL should conmplete a vertical column density deternmination in at least three locations <br />on the GOB pile. <br />With the acceptance of these two conditions, I recommend approval of the BRL proposal. <br />cc: Larry Routten <br />doc: M:\COAL\JAP\Bow2Go62.WPD <br />JP/jp <br />