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March 12, 2015
Semi -Annual Summary Stormwater DMR
NPDES Permit No. NCG030000
Certificate of Coverage No. NCG030127
Dear Administrator:
1709 Jake Alexander Blvd
Salisbury, NC 28146
Tel [phone]
Fax [phone]
Enclosed are two signed copies of the monthly Stormwater Discharge Monitoring Report (DMR) for the
Norandal, USA Salisbury Plant covering the period of January -February 2015. The report covers a "No Flow"
condition for all of January, as well as a stormwater event that occurred on February 9th, 2015. As required by
General Permit No. NCG030000, samples are taken on a monthly basis after measureable rainfall events, due to
the exceedances for Copper and Zinc, above the benchmark values.
As of the September 2014 sampling event, we exceeded the benchmark values for both copper and zinc for a
fourth time. We made the proper notifications and received a letter back from Zahid S. Khan, a Regional
Engineer. We continue to conduct monthly monitoring and have initiated an Engineering Study to better
understand any sources of copper and zinc that may be affecting our monitoring results. The February DMR
shows we have reduced levels of both copper and zinc, but not yet below the benchmark levels.
Should you have questions or comments, please contact me at [phone].
BeRe ards,
aLG--f
Robin Tolliver
EH&S Specialist
Noranda- Salisbury, NC Site
Email: robin.tolliverCcD-noralinc.com