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Britannia Contaminated Sites Investigation Stage I Preliminary Site ...

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Location Number<br />

LOCATIONS OF<br />

ENVIRONMENTAL<br />

CONCERNS<br />

(multiple names/uses,<br />

which occurred at some<br />

sites, are indicated)<br />

Table 14<br />

Fan Area AECs & PCOCs (Figures 8 and 9)<br />

CONTAMINANTS OF<br />

CONCERN (COCs) AND<br />

POTENTIAL<br />

CONTAMINANTS OF<br />

CONCERN (PCOCs)<br />

37 Oil Storage Petroleum hydrocarbons<br />

38 Ball Mill<br />

AEC 3<br />

Metals, petroleum<br />

hydrocarbons<br />

<strong>Britannia</strong> <strong>Contaminated</strong> <strong>Site</strong> <strong>Investigation</strong><br />

<strong>Stage</strong> I <strong>Preliminary</strong> <strong>Site</strong> <strong>Investigation</strong><br />

Project No. 50319-001-310 37<br />

RATIONALE FOR CONCERN<br />

Resulting from spillage and leakage from oil storage tanks and<br />

containers.<br />

Contaminants commonly associated with ball mill operations.<br />

5 Concentrate Storage Metals Resulting from spillage in storage area.<br />

AEC 1, AEC 2, AEC 3, AEC 4<br />

Entire<br />

Fan Area<br />

Mine tailings/waste rock Metals<br />

Additional Areas Adjacent to the Fan Area<br />

8<br />

43<br />

Transformers /<br />

substations (multiple<br />

sites)<br />

Car (rail) Shop (in<br />

Additional Areas)<br />

Petroleum hydrocarbons,<br />

metals, PCBs.<br />

Petroleum hydrocarbons,<br />

metals<br />

Contaminants commonly associated with mine tailings and waste<br />

rock.<br />

Contaminants commonly associated with leakage from electrical<br />

equipment.<br />

Contaminants commonly associated with locomotive<br />

maintenance.<br />

44 Ore Stock Pile Metals Contaminants commonly associated with mill stock piles.<br />

45 Steel Shop<br />

46<br />

4100 Car Barn (In<br />

Additional Areas)<br />

7.2 ADDITIONAL AREAS<br />

Metals, petroleum<br />

hydrocarbons<br />

Metals, petroleum<br />

hydrocarbons<br />

Contaminants commonly associated with steel shop operations.<br />

Contaminants commonly associated with rail car maintenance.<br />

Within the Additional Areas, the contaminants have been grouped into two categories: metals<br />

and petroleum hydrocarbons; both categories are classed as PCOCs.

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