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<br />III III III IIIIIII III <br />999 <br />July 12, 1996 <br />RE: Bond Release Vegetation Sampling, Hayden Gulch Mine, <br />Permit No. C-80-003 <br />Responses to DMG comments of June 19, 1996 <br />Comment 1: <br />Response: <br />The proportional allocation method of sample site location has <br />been added to the first paragraph of Section 2 of the study <br />proposal. <br />Comment 2: <br />Response: <br />Topsoil stockpile C and the explosives storage area were <br />included in the sampling scheme in the first paragraph of Section <br />2 of the study proposal as requested. <br />Comment 3: <br />Response: <br />The commitment to the weighted average method discussed on <br />page l0 of the 1988 vegetation guideline was included in the second <br />paragraph of Section 2 of the Study proposal as requested. <br />Comment 4: <br />Response: <br />The sample adequacy formula referenced in Section 3 of the <br />proposal was revised to the 1995 Guideline. The commitment to <br />sample to adequacy was included but H-G would like to discuss the <br />specific situation if adequacy is not met after 50 samples are <br />collected. In some cases the data and results could be very <br />straight forward and additional samples may not yield any different <br />conclusions. In other cases where the data is marginal, additional <br />samples may be needed to provide a valid case. <br />