City of Prince George - Snow Disposal at the Lansdowne Road ...

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La Ville devra envisager de procéder à de nouveaux bioessais afin de déterminer les impacts des quantités de neige ajoutées sur la toxicité des effluents du WWTC. Au cours des tests effectués à la température actuelle des effluents (soit inférieure à la température de référence de 15 ºC), on suggère d’utiliser des menés qui sont adaptés à des températures basses pendant une période minimum de deux semaines, de préférence trois, tel que spécifié dans les lignes directrices d’Environnement Canada.
CITY OF PRINCE GEORGE SNOW DISPOSAL STUDY AT THE LANSDOWNE ROAD WASTEWATER TREATMENT CENTRE ACKNOWLEDGEMENTS SUMMARY CONTENTS 1.0 INTRODUCTION 2.0 OBJECTIVES AND SCOPE 2.1 Objectives 2.2 Scope of Work 3.0 METHODOLOGY CONTENTS 3.1 Snow Melting 3.2 Water Quality Testing 3.3 Statistical Analysis of Data 3.4 Toxicity Testing 3.5 Solids Content of Collected Snow 3.6 Net Energy and Carbon Dioxide Balance 3.6.1 Snow Hauling 3.6.2 Snow Melting 4.0 RESULTS 4.1 Snow Melting Rate 4.2 Water Quality Testing 4.3 Toxicity Testing 4.4 Solids Accumulation in Chlorine Tank 4.5 Net Energy and Carbon Dioxide Balance 5.0 DISCUSSION 5.1 Effect of Snow Disposal on WWTC Effluent Quality 5.2 Effect of Snow Disposal on WWTC Effluent Toxicity 5.3 Snow Disposal Capacity of the WWTC 5.4 Snow Storage Requirements 5.5 Operational Concerns Associated with Snow Disposal at the WWTC 5.6 Net Energy and CO2 Balance for Snow Disposal at the WWTC vs Downtown Snowmelter 6.0 CONCLUSIONS Dayton & Knight Ltd. Page i
Page 2 and 3: CITY OF PRINCE GEORGE: SNOW DISPOSA
Page 4 and 5: CITY OF PRINCE GEORGE SNOW DISPOSAL
Page 6 and 7: estimated to be 38 days, 53 days, a
Page 8 and 9: VILLE DE PRINCE GEORGE ÉTUDE SUR L
Page 12 and 13: 7.0 RECOMMENDATIONS 8.0 REFERENCES
Page 18 and 19: methodology used by ASL is included
Page 20 and 21: Sample #2 - mixture of 7% snowmelt
Page 22 and 23: truckloads, and then multiplying th
Page 24 and 25: 4.0 RESULTS CITY OF PRINCE GEORGE S
Page 26 and 27: As shown in Table 1, the average te
Page 31 and 32: TABLE 3 - RESULTS OF TOXICITY TESTI
Page 33 and 34: TABLE 4 NET ENERGY AND CARBON DIOXI
Page 35 and 36: 5.0 DISCUSSION CITY OF PRINCE GEORG
Page 37 and 38: also contained in the collected sno
Page 39 and 40: maximum snow melting rate according
Page 41 and 42: espectively. Under future condition
Page 43 and 44: 5.5 Operational Concerns Associated
Page 49: 9.0 FIGURES CITY OF PRINCE GEORGE S
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CITY OF PRINCE GEORGE SNOW DISPOSAL
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City of Prince George - Snow Disposal at the Lansdowne Road ...

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