Effluent quality data for mines in 2013: part 2, appendix E-8


Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point East Pit Dewatering East
Wabush Mines Joint Venture - Scully Mine - East Pit Dewatering East
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Cu (mg/L) 0.3  ND ND ND ND ND ND ND ND ND ND ND ND
CN (mg/L) 1.0  ND ND ND ND ND ND ND ND ND ND ND ND
Pb (mg/L)  0.2  ND ND ND ND ND ND ND ND ND ND ND ND
Ni (mg/L)  0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Zn (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
TSS (mg/L) 15  ND ND ND ND ND ND ND ND ND ND ND ND
Ra-226 (Bq/L) 0.37  ND ND ND ND ND ND ND ND ND ND ND ND
pH low  ≥6.0 ND ND ND ND ND ND ND ND ND ND ND ND
pH high  ≤9.5 ND ND ND ND ND ND ND ND ND ND ND ND
Flow (m3/month)  ____ ND ND ND ND ND ND ND ND ND ND ND ND
Rainbow Trout  Pass ND ND ND ND ND ND ND ND ND ND ND ND
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass ND ND ND ND ND ND ND ND ND ND ND ND
Monitoring Test Fail - - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point East Pit 1 Dewatering
Wabush Mines Joint Venture - Scully Mine - East Pit 1 Dewatering
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Cu (mg/L) 0.3  ND ND ND ND ND ND ND ND ND ND ND ND
CN (mg/L) 1.0  ND ND ND ND ND ND ND ND ND ND ND ND
Pb (mg/L)  0.2  ND ND ND ND ND ND ND ND ND ND ND ND
Ni (mg/L)  0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Zn (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
TSS (mg/L) 15  ND ND ND ND ND ND ND ND ND ND ND ND
Ra-226 (Bq/L) 0.37  ND ND ND ND ND ND ND ND ND ND ND ND
pH low  ≥6.0 ND ND ND ND ND ND ND ND ND ND ND ND
pH high  ≤9.5 ND ND ND ND ND ND ND ND ND ND ND ND
Flow (m3/month)  ____ ND ND ND ND ND ND ND ND ND ND ND ND
Rainbow Trout  Pass ND ND ND ND ND ND ND ND ND ND ND ND
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass ND ND ND ND ND ND ND ND ND ND ND ND
Monitoring Test Fail - - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point East Pit 2 Dewatering
Wabush Mines Joint Venture - Scully Mine - East Pit 2 Dewatering
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005
Cu (mg/L) 0.3  0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0008 0.0010 0.0010 0.0010 0.0010 0.0010
CN (mg/L) 1.0  NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR
Pb (mg/L)  0.2  0.0003 0.0003 0.0003 0.0007 0.0003 0.0003 0.0017 0.0003 0.0003 0.0007 0.0003 0.0003
Ni (mg/L)  0.5  0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0011 0.0010
Zn (mg/L) 0.5  0.0033 0.0032 0.0035 0.0025 0.0025 0.0025 0.0030 0.0025 0.0025 0.0025 0.0025 0.0025
TSS (mg/L) 15  0.68 0.95 0.63 2.12 4.40 1.65 3.68 5.55 2.80 2.70 3.15 3.56
Ra-226 (Bq/L) 0.37  0.0050 NMR NMR 0.0200 NMR NMR 0.0050 NMR NMR 0.0050 NMR NMR
pH low  ≥6.0 7.7 7.8 7.7 7.6 7.6 7.7 7.7 7.6 7.8 7.2 7.4 7.3
pH high  ≤9.5 7.9 7.9 7.9 7.9 7.7 7.8 7.8 7.9 7.9 7.8 7.7 7.6
Flow (m3/month)  ____ 682,066 614,318 619,455 722,813 812,344 841,589 1,023,277 1,375,051 1,259,459 1,141,688 1,349,072 716,582
Rainbow Trout  Pass 1 NMR NMR 1 NMR NMR 1 NMR NMR 1 NMR NMR
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass 1 NMR NMR 1 NMR NMR 1 NMR NMR 1 NMR NMR
Monitoring Test Fail - - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point Flora Lake Discharge
Wabush Mines Joint Venture - Scully Mine - Flora Lake Discharge
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  0.0005 0.0005 0.0005 0.0005 0.0009 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005
Cu (mg/L) 0.3  0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010
CN (mg/L) 1.0  NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR
Pb (mg/L)  0.2  0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0016 0.0003 0.0021
Ni (mg/L)  0.5  0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0015 0.0010
Zn (mg/L) 0.5  0.0025 0.0025 0.0025 0.0025 0.0025 0.0049 0.0025 0.0025 0.0025 0.0033 0.0025 0.0025
TSS (mg/L) 15  3.20 1.70 3.73 1.62 23.25 24.00 3.60 2.25 1.90 3.00 2.20 1.50
Ra-226 (Bq/L) 0.37  0.0050 NMR NMR 0.0050 NMR NMR 0.0050 NMR NMR 0.0050 NMR NMR
pH low  ≥6.0 7.7 7.7 7.6 7.5 7.4 7.5 7.5 7.6 7.7 7.5 7.5 7.5
pH high  ≤9.5 7.8 7.8 7.7 7.8 7.5 7.6 7.7 7.8 7.8 7.7 7.7 7.6
Flow (m3/month)  ____ 6,639,444 7,618,722 4,873,593 6,769,486 11,592,189 6,332,985 4,912,376 5,017,064 11,258,795 6,410,404 3,565,790 3,359,049
Rainbow Trout  Pass 1 NMR NMR 1 NMR NMR 1 NMR NMR 1 NMR NMR
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass 1 NMR NMR 1 NMR NMR 1 NMR NMR 1 NMR NMR
Monitoring Test Fail - - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point Knoll Lake Inflow
Wabush Mines Joint Venture - Scully Mine - Knoll Lake Inflow
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005
Cu (mg/L) 0.3  0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010
CN (mg/L) 1.0  NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR
Pb (mg/L)  0.2  0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003
Ni (mg/L)  0.5  0.0010 0.0010 0.0014 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0017 0.0016
Zn (mg/L) 0.5  0.0088 0.0071 0.0041 0.0052 0.0046 0.0211 0.0061 0.0046 0.0082 0.0108 0.0055 0.0056
TSS (mg/L) 15  2.90 1.60 2.30 2.80 2.75 7.10 1.88 2.40 1.85 2.76 1.78 13.92
Ra-226 (Bq/L) 0.37  0.0100 NMR NMR 0.0200 NMR NMR 0.0050 NMR NMR 0.0050 NMR NMR
pH low  ≥6.0 7.3 7.7 7.6 7.2 7.4 7.4 7.3 7.4 7.2 7.3 7.0 7.1
pH high  ≤9.5 7.7 7.9 7.9 7.8 8.5 7.6 7.7 7.7 7.6 7.6 7.3 7.8
Flow (m3/month)  ____ 460,400 517,678 381,822 346,887 642,739 383,449 297,211 538,477 350,704 244,060 313,508 538,390
Rainbow Trout  Pass 1 NMR NMR 1 NMR NMR 1 NMR NMR 1 NMR NMR
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass - NMR NMR 1 NMR NMR 1 NMR NMR 1 NMR NMR
Monitoring Test Fail 1 - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point Loadout Ditch Discharge
Wabush Mines Joint Venture - Scully Mine - Loadout Ditch Discharge
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Cu (mg/L) 0.3  ND ND ND ND ND ND ND ND ND ND ND ND
CN (mg/L) 1.0  ND ND ND ND ND ND ND ND ND ND ND ND
Pb (mg/L)  0.2  ND ND ND ND ND ND ND ND ND ND ND ND
Ni (mg/L)  0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Zn (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
TSS (mg/L) 15  ND ND ND ND ND ND ND ND ND ND ND ND
Ra-226 (Bq/L) 0.37  ND ND ND ND ND ND ND ND ND ND ND ND
pH low  ≥6.0 ND ND ND ND ND ND ND ND ND ND ND ND
pH high  ≤9.5 ND ND ND ND ND ND ND ND ND ND ND ND
Flow (m3/month)  ____ ND ND ND ND ND ND ND ND ND ND ND ND
Rainbow Trout  Pass ND ND ND ND ND ND ND ND ND ND ND ND
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass ND ND ND ND ND ND ND ND ND ND ND ND
Monitoring Test Fail - - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point Shops East Discharge
Wabush Mines Joint Venture - Scully Mine - Shops East Discharge
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Cu (mg/L) 0.3  ND ND ND ND ND ND ND ND ND ND ND ND
CN (mg/L) 1.0  ND ND ND ND ND ND ND ND ND ND ND ND
Pb (mg/L)  0.2  ND ND ND ND ND ND ND ND ND ND ND ND
Ni (mg/L)  0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Zn (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
TSS (mg/L) 15  ND ND ND ND ND ND ND ND ND ND ND ND
Ra-226 (Bq/L) 0.37  ND ND ND ND ND ND ND ND ND ND ND ND
pH low  ≥6.0 ND ND ND ND ND ND ND ND ND ND ND ND
pH high  ≤9.5 ND ND ND ND ND ND ND ND ND ND ND ND
Flow (m3/month)  ____ ND ND ND ND ND ND ND ND ND ND ND ND
Rainbow Trout  Pass ND ND ND ND ND ND ND ND ND ND ND ND
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass ND ND ND ND ND ND ND ND ND ND ND ND
Monitoring Test Fail - - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point Shops South Discharge
Wabush Mines Joint Venture - Scully Mine - Shops South Discharge
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Cu (mg/L) 0.3  ND ND ND ND ND ND ND ND ND ND ND ND
CN (mg/L) 1.0  ND ND ND ND ND ND ND ND ND ND ND ND
Pb (mg/L)  0.2  ND ND ND ND ND ND ND ND ND ND ND ND
Ni (mg/L)  0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Zn (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
TSS (mg/L) 15  ND ND ND ND ND ND ND ND ND ND ND ND
Ra-226 (Bq/L) 0.37  ND ND ND ND ND ND ND ND ND ND ND ND
pH low  ≥6.0 ND ND ND ND ND ND ND ND ND ND ND ND
pH high  ≤9.5 ND ND ND ND ND ND ND ND ND ND ND ND
Flow (m3/month)  ____ ND ND ND ND ND ND ND ND ND ND ND ND
Rainbow Trout  Pass ND ND ND ND ND ND ND ND ND ND ND ND
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass ND ND ND ND ND ND ND ND ND ND ND ND
Monitoring Test Fail - - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point Tailings Discharge
Wabush Mines Joint Venture - Scully Mine - Tailings Discharge
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Cu (mg/L) 0.3  ND ND ND ND ND ND ND ND ND ND ND ND
CN (mg/L) 1.0  ND ND ND ND ND ND ND ND ND ND ND ND
Pb (mg/L)  0.2  ND ND ND ND ND ND ND ND ND ND ND ND
Ni (mg/L)  0.5  ND ND ND ND ND ND ND ND ND ND ND ND
Zn (mg/L) 0.5  ND ND ND ND ND ND ND ND ND ND ND ND
TSS (mg/L) 15  ND ND ND ND ND ND ND ND ND ND ND ND
Ra-226 (Bq/L) 0.37  ND ND ND ND ND ND ND ND ND ND ND ND
pH low  ≥6.0 ND ND ND ND ND ND ND ND ND ND ND ND
pH high  ≤9.5 ND ND ND ND ND ND ND ND ND ND ND ND
Flow (m3/month)  ____ ND ND ND ND ND ND ND ND ND ND ND ND
Rainbow Trout  Pass ND ND ND ND ND ND ND ND ND ND ND ND
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass ND ND ND ND ND ND ND ND ND ND ND ND
Monitoring Test Fail - - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point Tailings Line Emergency Dump Basin 1
Wabush Mines Joint Venture - Scully Mine - Tailings Line Emergency Dump Basin 1
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments: No toxicity test results were provided for February and September. No flow data was provided for June.

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  0.0005 0.0005 0.0007 0.0005 0.0007 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005
Cu (mg/L) 0.3  0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0016 0.0010 0.0010 0.0010
CN (mg/L) 1.0  NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR
Pb (mg/L)  0.2  0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0018 0.0003 0.0025
Ni (mg/L)  0.5  0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010
Zn (mg/L) 0.5  0.0075 0.0068 0.0032 0.0046 0.0082 0.0025 0.0025 0.0025 0.0025 0.0048 0.0025 0.0052
TSS (mg/L) 15  26.33 17.00 19.55 13.85 28.25 13.35 14.10 27.50 15.60 12.33 8.30 5.30
Ra-226 (Bq/L) 0.37  0.0100 0.0050 0.0050 0.0075 0.0138 0.0075 0.0072 0.0050 0.0050 0.0087 0.0050 0.0050
pH low  ≥6.0 7.4 7.4 7.4 7.1 7.1 7.3 7.5 7.4 7.5 7.4 7.4 7.1
pH high  ≤9.5 7.5 7.4 7.9 7.5 7.4 7.4 7.6 7.7 7.6 7.6 7.4 7.2
Flow (m3/month)  ____ 29,294 854 401 20,329 3,785 - 79 46,827 97,257 96,591 107,496 77,466
Rainbow Trout  Pass 1 - 1 1 1 1 1 1 - 1 1 1
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass 1 - 1 1 1 1 1 1 - 1 1 1
Monitoring Test Fail - - - - - - - - - - - -
Metal Mining Effluent Regulations (MMER)
2013 Effluent Compliance
Mine/Mill Name Wabush Mines Joint Venture - Scully Mine
Operator Name Wabush Mines Joint Venture
Product(s) Iron
Address Scully Mine, P.O. Box 3000, Wabush, Newfoundland and Labrador A0R 1B0
Effluent Discharge Point West Pit Extension Settling Basin
Wabush Mines Joint Venture - Scully Mine - West Pit Extension Settling Basin
Parameters Limits Jan. Feb. March April May June July Aug. Sep. Oct. Nov. Dec.

Comments:

Notes:
ND: No Deposit
NMR: No Measurement Required
Pass: ≤50% Mortality
Fail: >50%Mortality
Highlighted data indicate that a monthly effluent quality standard was exceeded for that month.
A "Pass" for the Daphnia magna monitoring test is not a requirement.

As (mg/L) 0.5  0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005
Cu (mg/L) 0.3  0.0010 0.0010 0.0010 0.0019 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010
CN (mg/L) 1.0  NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR NMR
Pb (mg/L)  0.2  0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0007
Ni (mg/L)  0.5  0.0010 0.0010 0.0013 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0010 0.0013 0.0010
Zn (mg/L) 0.5  0.0034 0.0033 0.0037 0.0025 0.0025 0.0032 0.0029 0.0025 0.0025 0.0033 0.0025 0.0025
TSS (mg/L) 15  0.80 0.50 0.50 0.68 1.10 1.20 1.28 1.15 1.10 0.84 0.50 0.50
Ra-226 (Bq/L) 0.37  0.0200 NMR NMR 0.0050 NMR NMR 0.0050 NMR NMR 0.0050 NMR NMR
pH low  ≥6.0 7.3 7.3 7.3 7.1 7.2 7.2 7.1 7.2 7.2 7.0 7.0 6.8
pH high  ≤9.5 7.6 7.5 7.5 7.6 7.3 7.3 7.4 7.8 7.3 7.4 7.5 7.1
Flow (m3/month)  ____ 2,030,344 1,495,773 1,260,816 2,265,335 2,171,537 2,147,485 4,229,598 3,343,267 3,694,026 3,580,305 2,367,184 2,616,993
Rainbow Trout  Pass 1 NMR NMR 1 NMR NMR 1 NMR NMR 1 NMR NMR
Acute Lethality Test  Fail - - - - - - - - - - - -
Daphnia magna Pass 1 NMR NMR 1 NMR NMR 1 NMR NMR - NMR NMR
Monitoring Test Fail - - - - - - - - - 1 - -
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