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ASTM WK7068
Between laboratory precision is about 10x within laboratory precision. Method needs to be extended above 280 ppm TDS for mining impacted waters. Newmont has a critical need to accurately measure TDS at 350 ppm.
Date Initiated: 01-25-2005
Technical Contact: Charles Bucknam
Item: 002
Ballot: D19.05 (05-01)
Status: Will Reballot Item
Item: 001
Ballot: D19.05 (05-02)
Status: Negative Votes Need Resolution
Item: 001
Ballot: D19.05 (08-01)
Status: Will Reballot Item
Item: 009
Ballot: D19 (10-01)
Status: Ballot Item Approved