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Pierre River Mine Project

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HEALTH AENV SIRS 79 – 89<br />

Table AENV 82-3: Comparison of Predicted Peak Air Concentrations with Odour Thresholds – Cabin Residents (cont'd)<br />

Odour Threshold<br />

(µg/m 3 )<br />

Maximum Peak Concentration<br />

(µg/m 3 ) 2<br />

Section 14.1<br />

Chemical of Potential Concern 1 Planned Development<br />

Mean Range Base Case Application Case<br />

Case<br />

Ethylene 154,938 20,000 to 1,200,295 18 18 20<br />

Ethylene dibromide 76,800 76,800 to 76,800 0.00012 0.00012 0.00012<br />

Formaldehyde 18,726 27 to 13,088,069 42 43 47<br />

Hexane 468,301 230,000 to 953,502 724 724 883<br />

Hydrogen sulphide 14.1 0.1 to 2,000 13 13 13<br />

Mercaptan group 2.8 0 to18,000 1.5 1.5 1.5<br />

Methanol 1,057,355 4,300 to 260,000,000 0.0070 0.0070 0.0070<br />

Methyl ethyl ketone group 13,157 16 to 1,900,000 24 24 27<br />

Methylene chloride 94,106 4,100 to 2,160,000 0.000056 0.000056 0.000056<br />

Naphthalene group 440 7 to 5,340 0.29 0.29 0.33<br />

Nitrogen dioxide 730 1.2 to

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