upstream

Data from Ash Release at Duke Energy Dan River Station UPSTREAM DAN RIVER UPSTREAM OF RELEASE AT HWY 14 No NC Water Quality standards for dissolved metals Sampling Dates and Sample ID

2/5/2014 Dissolved AC04680

Parameter

Lab PQL Units

Aluminum_Al Dissolved Antimony_Sb Dissolved Arsenic_As Dissolved Barium_Ba Dissolve Beryllium_Be Dissolved Boron_B Dissolved Cadmium_Cd Dissolved Calcium_Ca_Dissolved Chromium_Cr_Dissolved Cobalt_Co Dissolved Copper_Cu_Dissolved Iron_Fe Dissolved Lead_Pb Dissolved Lithium_Li Dissolved Magnesium_Mg Dissolved Manganese_Mn Dissolved Mercury_Hg Dissolved Molybdenum_Mo Dissolved Nickel_Ni Dissoved Potassium_K Dissolved Selenium_Se Dissolved Silver_Ag_Dissolved

50 10 2.0 10 5.0 50 0.50 0.10 10 50 2.0 50 2.0 25 0.10 10 0.2 10 2.0 0.10 5.0 1.0

ug/L ug/L ug/L ug/L ug/L ug/L ug/L mg/L ug/L ug/L ug/L ug/L ug/L ug/L mg/L ug/L ug/L ug/L ug/L mg/L ug/L ug/L

50 10 2.0 22 5.0 140 0.50 7.3 10 50 2.0 53 2.0 25 2.7 13 0.20 10 2.0 1.6 5.0 1.0

Sodium_Na Dissolved Strontium_Sr Dissolved Thallium_Tl Dissolved Tin_Sn Dissolved Titanium_Ti Dissolved Vanadium_V Dissolved Zinc_Zn Dissolved Sample Temp at Receipt

0.10

mg/L ug/L ug/L ug/L ug/L ug/L ug/L °C

4.8 44 2.0 10 10 25 10 1.2

2.0 10 10 25 10

U U U U U U U U U U

U U U U U

U U U U U

2/6/2014 Dissolved AC04730 50 10 2.0 21 5.0 160 0.50 7.4 10 50 2.0 64 2.0 25 2.5 13 0.20 10 2.0 1.5 5.0 1.0 4.5 44 2.0 10 10 25 10 2.3

U U U U U U U U U U

U U U U U

U U U U U

2/7/2014 Dissolved AC04806 50 U 10 U 2.0 U 20 5.0 U 160 0.50 U 7.3 10 U 50 U 2.0 U 52 2.0 U 25 U 2.5 13 0.20 U 10 U 2.0 U 1.4 5.0 U 1.0 U 3.9 45 2.0 U 10 U 10 U 25 U 10 U 1.0