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Pierre River Mine Project

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HEALTH AENV SIRS 79 – 89<br />

Table AENV 82-5: Comparison of Predicted Peak Air Concentrations with Odour Thresholds – Community Residents (cont'd)<br />

Odour Threshold<br />

(µg/m 3 )<br />

Maximum Peak Concentration<br />

(µg/m3) 2<br />

Section 14.1<br />

Chemical of Potential Concern 1 Mean Range Base Case Application Case Planned Development Case<br />

Ethylene dibromide 76,800 76,800 to 76,800 0.0061 0.0061 0.0061<br />

Formaldehyde 18,726 27 to 13,088,069 20 20 21<br />

Hexane 468,301 230,000 to 953,502 480 480 581<br />

Hydrogen sulphide 14.1 0.1 to 2,000 2.4 2.4 2.6<br />

Mercaptan group 2.8 0 to18,000 0.7 0.7 0.9<br />

Methanol 1,057,355 4,300 to 260,000,000 0.35 0.35 0.35<br />

Methyl ethyl ketone group 13,157 16 to 1,900,000 16 16 26<br />

Methylene chloride 94,106 4,100 to 2,160,000 0.0028 0.0028 0.0028<br />

Naphthalene group 440 7 to 5,340 0.15 0.16 0.17<br />

Nitrogen dioxide 730 1.2 to

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