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<br />6) Also, as discussed during the February 19 meeting, BMRI <br />will review the following areas: <br />- Revision of parameters list and sampling frequency. <br />- Clarification of Core Lab's internal quality <br />assurancefquality control program. <br />- Clarification of filtered/unfiltered samples at the <br />process points. <br />- Discussion with Core Labs concerning improved analysis <br />turn-around time. <br />BMRI will implement items <br />1-5 above in the next bi-weekly <br />sampling event scheduled for March 4 <br />event is also scheduled as the second <br />visit. Once the issues identified in <br />and implemented, BMRI will prepare an <br />to the approved TR-006 QA/QC sampling <br />raflcct all changes. <br />and 5; this sampling <br />third party site <br />item 6 are reviewed <br />d submit modifications <br />protocol manual to <br />For second third party site visit scheduled for March 4-5, <br />BMRI understands that unfiltered samples will be collected <br />at the surface and ground water locations and analyzed for <br />total and weak acid dissociable cyanide and total copper. <br />During this sampling visit, filtered and unfiltered samples <br />will be collected at the upper, lower, and collection ponds <br />for comparison analysis of total and weak acid dissociable <br />cyanide and copper. Samples for analysis of additional <br />metals, nitrate, nitrite, and fatty acids will be collected <br />at each location; these samples will be held and analyzed <br />only if the cyanide values indicate possible interference. <br />Please call me immediately if you disagree in any way with <br />the items outlined above or if you have any questions, <br />Sincerely, <br />(~ano ~ ~~ <br />Alana L. Scott <br />Environmental Engineer <br />cc: Harry Posey <br />Anne Baldrige <br />Ken Kluksdahl <br />Mike Young <br />