Air Quality Monitoring Results

Air Quality Monitoring Results Supplementary Data 215 New Brunswick Department of Environment and Local Government

New Brunswick Department of Environment and Local Government Environmental Reporting Series 217 ISBN 978-1-465-1411-5 ISSN 2368-9692 This report provides detailed, site-specific air quality information, and is provided as a companion document to the Department of Environment and Local Government s Air Quality Monitoring Results 215 report, which is available electronically via the DELG website: www.gnb.ca/environment Feedback We are interested in your feedback on this report. All suggestions will be considered, and if possible, incorporated in future reports. You may contact the State of the Environment Branch, Department of Environment and Local Government (DELG) at (56) 457-4844, by fax at (56) 453-2265 or by e-mail at elg/egl-info@gnb.ca with any comments.

TABLE OF CONTENTS PART I: PROVINCIALLY OPERATED AIR QUALITY MONITORING NETWORKS...1 Network Map - New Brunswick Air Quality Monitoring Network, Provincially Operated Stations...2 Continuous Air Quality Monitoring Results...3 Carbon Monoxide...3 Nitrogen Dioxide...4 Ozone...6 Fine Particulate Matter...9 Sulphur Dioxide...11 Total Reduced Sulphur...12 Volatile Organic Compounds, Saint John Region...13 Air Toxics...13 Ozone Depleting Substances...14 Smog-Forming...15 PART II: ACID PRECIPITATION MONITORING NETWORK...16 Network Map - New Brunswick Acid Precipitation Monitoring Network...17 Sulphate and Nitrate Deposition Trends...18 Network-wide Annual Mean Sulphate and Nitrate Concentration Trends...2 PART III: INDUSTRY-OPERATED AIR QUALITY MONITORING NETWORKS...24 Network Map - New Brunswick Air Quality Monitoring Network, Industry Operated Stations... Industry-Operated Monitoring Network Results...26 Glencore, Belledune...26 NB Power, Belledune...28 NB Power, Millbank...32 NB Power, Coleson Cove...35 Irving Oil Ltd., Saint John...37 Irving Pulp and Paper, Saint John...4 Irving Pulp and Paper, Lake Utopia...41 Twin Rivers Paper Company, Edmundston...42 AV Nackawic, Nackawic...43 AV Cell, Atholville...44 Arbec Forest Products, Miramichi...45 PART IV: DETAILED STATION LOCATION MAPS...46 Saint John Region...47 Belledune...48 Edmundston and Lower Newcastle...49 i

List of Acronyms and Abbreviations CO eq/ha/yr PM 2.5 H 2 S kg/ha/yr µg/m 3 meq/l mg/l NO 2 NO x O 3 ppb ppm TRS TSP VOC Carbon Monoxide Equivalents (molar equivalent acidity) per hectare per year Fine Particulate Matter (less than 2.5 microns) Hydrogen Sulphide Kilograms per hectare per year Micrograms per cubic meter Milliequivalents (molar equivalent acidity) per litre Milligrams per litre Nitrogen Dioxide Nitrogen Oxides Ozone Parts per billion Parts per million Sulphur Dioxide Total Reduced Sulphur Total Suspended Particulate Volatile Organic Compound ii

Part I: Provincially Operated Air Quality Monitoring Networks 1

N Bathurst NO x O 3 PM 2.5 St. Léonard O 3 Lower Newcastle O 3 Norton O 3 Fredericton CO NO x O 3 PM 2.5 Moncton CO NO x O 3 PM 2.5 CO Met NO x O 3 PM 2.5 TRS VOC The Provincial Air Quality Monitoring Network - DELG Stations LEGEND Monitoring Station Carbon Monoxide Meteorology (Wind Speed, Wind Direction, Temperature, Relative Humidity, Barometric Pressure) Nitrogen Oxides Ozone Fine Particulate Matter Sulphur Dioxide Total Reduced Sulphur Volatile Organic Compounds Saint Andrews O 3 PM 2.5 Point Lepreau O 3 VOC Saint John, Castle Street PM 2.5 Saint John, Hillcrest NO x O 3 PM 2.5 TRS Saint John, Customs Building CO NO x O 3 Saint John, Champlain Heights NO x PM 2.5 TRS VOC Fundy National Park O 3 Saint John, Forest Hills Met NO x O 3 PM 2.5 TRS VOC 2

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Carbon Monoxide Carbon Monoxide Concentration 35 Aberdeen Street - Fredericton (215) Concentration - One-Hour Average (ppm) 3 2 15 1 5 1 hour 1 standard hour (3 ppm) ppm) Concentration - One-Hour Average (ppm) 35 3 2 15 1 5 Carbon Monoxide Concentration Highfield Street - Moncton (215) 1 hour 1 hour standard (3 ppm) Concentration - One-Hour Average (ppm) 35 3 2 15 1 5 Carbon Monoxide Concentration Customs Building - Saint John (215) 1 hour standard (3 ppm) 3

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Nitrogen Dioxide Nitrogen Dioxide Concentration 24 Rough Waters Drive- Bathurst (215) 22 2 18 16 14 12 1 8 6 4 2 1 hour standard (21 ppb) 24 22 2 18 16 14 12 1 8 6 4 2 Nitrogen Dioxide Concentration Champlain Heights - Saint John (215) 1 hour standard (21 ppb) 24 22 2 18 16 14 12 1 8 6 4 Nitrogen Dioxide Concentration Customs Building - Saint John (215) 1 hour standard(21 ppb) 24 22 2 18 16 14 12 1 8 6 4 Nitrogen Dioxide Concentration Forest Hills - Saint John (215) 1 hour standard (21 ppb) 2 2 4

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Nitrogen Dioxide Nitrogen Dioxide Concentration 24 Aberdeen Street - Fredericton (215) 22 2 18 16 14 12 1 8 6 4 2 1 hour standard (21 ppb) 24 22 2 18 16 14 12 1 8 6 4 2 Nitrogen Dioxide Concentration Highfield Street - Moncton (215) 1 hour standard (21 ppb) 24 22 2 18 16 14 12 1 8 6 4 2 Nitrogen Dioxide Concentration Hillcrest - Saint John (215) 1 hour standard (21 ppb) 5

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Ozone 1 9 Ozone Concentration Rough Waters Drive - Bathurst (215) 1 9 Ozone Concentration Customs Building - Saint John (215) 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 1 9 Ozone Concentration Forest Hills - Saint John (215) 1 9 Ozone Concentration Aberdeen Street - Fredericton (215) 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 6

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Ozone 1 9 Ozone Concentration Fundy Park (215) 1 9 Ozone Concentration Hillcrest - Saint John (215) 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 1 9 Ozone Concentration Lower Newcastle - Miramichi (215) 1 9 Ozone Concentration Highfield Street - Moncton (215) 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 7

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Ozone 1 9 8 7 6 5 4 3 2 1 Ozone Concentration Norton (215) 1 9 8 7 6 5 4 3 2 1 Ozone Concentration Point Lepreau (215) 1 9 Ozone Concentration HMSC - St. Andrews (215) 1 9 Ozone Concentration St. Leonard (215) 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 8

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Fine Particulate Matter Concentration - 24-Hour Average (µg/m 3 ) 55 5 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) Rough Waters Drive- Bathurst (215) Concentration - 24-Hour Average (µg/m 3 ) 55 5 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) Castle Street - Saint John (215) Concentration - 24-Hour Average (µg/m 3 ) 55 5 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) Champlain Heights School - Saint John (215) Concentration - 24-Hour Average (µg/m 3 ) 55 5 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) Forest Hills - Saint John (215) 9

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Fine Particulate Matter Concentration - 24-Hour Average (µg/m 3 ) 55 5 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) Aberdeen Street - Fredericton (215) Concentration - 24-Hour Average (µg/m 3 ) 55 5 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) Hillcrest - Saint John (215) Concentration - 24-Hour Average (µg/m 3 ) 55 5 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) Highfield Street - Moncton (215) Concentration - 24-Hour Average (µg/m 3 ) 55 5 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) HMSC St. Andrews (215) 1

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Sulphur Dioxide 4 35 3 2 15 1 5 Champlain Heights - Saint John (215) 1 hour standard (169.5 ppb) 4 35 3 2 15 1 5 Customs Building - Saint John (215) 1 hour standard (169.5 ppb) 4 35 3 2 15 1 5 Forest Hills - Saint John (215) 1 hour standard (169.5 ppb) 4 35 3 2 15 1 5 Hillcrest - Saint John (215) 1 hour standard (169.5 ppb) 11

PART I: PROVINCIALLY OPERATED NETWORKS - Continuous Air Quality Monitoring Results Total Reduced Sulphur 4 35 3 2 15 1 5 Total Reduced Sulphur Concentration Forest Hills - Saint John (215) 1 hour H 2 S standard (11 ppb) 4 35 3 2 15 1 5 Total Reduced Sulphur Concentration Hillcrest - Saint John (215) 1 hour H 2 S standard (11 ppb) 4 35 3 2 15 1 5 Total Reduced Sulphur Concentration Champlain Heights School - Saint John (215) 1 hour H 2 S standard (11 ppb) 12

PART I: PROVINCIALLY OPERATED NETWORKS - Volatile Organic Compounds, Saint John Region Air Toxics - 215 Annual Average Concentration Range Chart 3.5 Annual Average Concentration (ppb) 3. 2.5 2. 1.5 1..5 Toluene m and p-xylene Chloromethane Benzene Ethylbenzene Carbontetrachloride Styrene Dichloromethane Chloroform 1,2-Dichloroethane 1,3-Butadiene Tetrachloroethylene 1,2-Dichloropropane Trichloroethylene 1,1,2-Trichloroethane Vinylchloride Hexachlorobutadiene 1,1,2,2-Tetrachloroethane 1,1-Dichloroethylene 1,2 Dibromoethane. Point Lepreau (Background Reference) Forest Hills VOC Sampling Locations Champlain Heights 13

PART I: PROVINCIALLY OPERATED NETWORKS - Volatile Organic Compounds, Saint John Region Ozone Depleting Substances - 215 Annual Average Concentration Range Chart 2 Annual Average Concentration (ppb) 1.8 1.6 1.4 1.2 1.8.6 Chloromethane Freon12 Freon11 Freon22 Carbontetrachloride Dibromomethane Chloroform Freon114 Bromomethane Chloroethane 1,1,1-Trichloroethane Bromoform Hexachlorobutadiene.4.2 Point Lepreau (Background Reference) Forest Hills Champlain Heights VOC Sampling Locations 14

PART I: PROVINCIALLY OPERATED NETWORKS - Volatile Organic Compounds, Saint John Region Smog-Forming VOCs - 215 Annual Average Concentration Range Chart 45 4 Butane Isopentane Annual Average Concentration (ppb) 35 3 2 15 1 5 Note: Graph displays the highest concentration smog-forming VOCs. Point Lepreau (Background Reference) Forest Hills Champlain Heights VOC Sampling Locations Pentane Isobutane Ethane Propane 2-Methylpentane Hexane Propylene Toluene 3-Methylpentane Methyl Tert-Butyl Ether 2-Methyl-2-butene Methyl Isobutyl Ketone Cyclohexane m and p-xylene trans-2-pentene Ethylene Heptane 2-Methyl-1-butene 3-Methylhexane 2,3-Dimethylbutane Cyclopentane 2-Methylhexane Nonane 15

Part II: Acid Precipitation Monitoring Network 16

215 Acid Precipitation Network Map St. Maure N Robertville Nictau Trout Brook Holtville Harcourt LEGEND South Oromocto Lake Pennfield Saint John Fundy National Park Monitoring Station 17

PART II: ACID PRECIPITATION MONITORING NETWORK - Sulphate and Nitrate Deposition Trends Annual Sulphate and Nitrate Wet Deposition (eq/ha/yr) at New Brunswick Monitoring Sites, 26-215 Site 26 27 28 29 21 211 212 213 214 215 St. Maure 1.96 244.51 3.52 176.43 177. 168.8 12.53 121.3 14.76 86.68 Robertville 38.98 239.47 239.6 2.84 184.26 173.56 118.33 124.2 168.35 85.95 Nictau 274.52 184.48* 198.12 154.56 121.21 15.2 96.5 18.13 119.96 8.73 Trout Brook 262.48 21.2 195.52 163.8 135.17 134.2 11.2 1.78 116.5 65.7 Holtville 294.78 215.82 269.87 21.1 122.63 184.33 98.19 127.23 126.63 78.33 Harcourt 5.2 24.46 6.9 199.91 159.91 139.4 91.68 99.92 12.67 74.2 South Oromocto Lake 31.26 267.54 278.39 23.26 163.31 164.9 128.81 154.73 15.2 17.51 Pennfield 431.99 329.9 49.11 349.97 29.78 -- 228.24 265.32 223.61 179.91 Lakewood Heights 383.18 32.87 357.59 31.16 194.27 -- 169.58 193.66 164.38 144.65 Fundy 446.6 332.23 428.4 322.81 226.37 263.55 28.8 249.13 2.13 143.4 -- insufficient data *49 Weeks 18

PART II: ACID PRECIPITATION MONITORING NETWORK - Sulphate and Nitrate Deposition Trends Annual Sulphate Wet Deposition (kg/ha/yr) at New Brunswick Monitoring Sites, 26-215 Site 26 27 28 29 21 211 212 213 214 215 St. Maure 1.89 1.62 11.2 7.67 7.8 7.19 5.17 5.6 5.92 3.6 Robertville 13.34 1.49 1.32 8.76 8.6 7.38 4.92 5.17 7.13 3.51 Nictau 11.72 7.91* 8.21 6.44 5.1 6.7 3.77 4. 4.65 3.2 Trout Brook 11.28 9.17 8.26 6.91 5.69 5.49 4.9 4.1 4.71 2.46 Holtville 12.64 9.26 11.43 8.93 4.99 7.52 3.88 5.2 5. 2.92 Harcourt 1.9 8.79 1.92 8.52 6.76 5.69 3.67 3.92 4.82 2.77 South Oromocto Lake 12.96 11.55 11.89 9.8 6.77 6.73 5.16 6.24 5.96 4. Pennfield 18.85 14.41 17.81 15.2 12.49 --- 9.65 11.28 9.31 7.3 Lakewood Heights 16.64 13.32 15.67 13.48 8.29 --- 7.2 8.2 8.12 5.98 Fundy 19.51 14.53 18.79 13.91 9.65 11.2 8.86 1.64 8.21 5.82 -- insufficient data *49 Weeks 19

PART II: ACID PRECIPITATION MONITORING NETWORK - Sulphate and Nitrate Deposition Trends Annual Nitrate Wet Deposition (kg/ha/yr) at New Brunswick Monitoring Sites, 26-215 Site 26 27 28 29 21 211 212 213 214 215 St. Maure 1.56 1.45 1.5 1.3.9 1.18.8.99 1.9.72 Robertville 1.94 1.31 1.53 1.15 1.2 1.24.99 1.3 1.17.79 Nictau 1.9 1.23* 1.69 1.27 1.5 1.46 1.12 1.23 1.44 1.11 Trout Brook 1.71 1.18 1.47 1.19 1.4 1.23 1. 1.7 1.11.86 Holtville 1.96 1.43 1.98 1.5 1.16 1.72 1.8 1.41 1.4 1.8 Harcourt 1.75 1.34 1.84 1.4 1.19 1.3.95 1.14 1.26 1.1 South Oromocto Lake 1.95 1.68 1.92 1.63 1.39 1.49 1.33 1.54 1.61 1.51 Pennfield 2.45 1.8 2.38 2.8 1.9 --- 1.7 1.89 1.85 1.74 Lakewood Heights 2.27 1.59 1.95 1.84 1.35 --- 1.22 1.42 1.57 1. Fundy 2.48 1.84 2.29 2.6 1.58 1.89 1.46 1.71 1.81 1.39 -- insufficient data *49 Weeks 2

PART II: ACID PRECIPITATION MONITORING NETWORK - Network-wide Annual Mean Sulphate and Nitrate Concentration Trends Network-wide Average Sulphate and Nitrate Concentration in Precipitation New Brunswick, 26-215.5 Mean Sulphate and Nitrate Concentration (meq/l).4.3.2.1. Average concentration Minimum concentration Maximum concentration Number of Monitoring Sites 13 13 13 12 12 12 12 11 1 1 26 27 28 29 21 211 212 213 214 215 21

PART II: ACID PRECIPITATION MONITORING NETWORK - Network-wide Annual Mean Sulphate and Nitrate Concentration Trends Network-wide Average Sulphate Concentration in Precipitation New Brunswick, 26-215 1.4 Mean Sulphate Concentration (mg/l) 1.2 1..8.6.4 Average concentration Minimum concentration Maximum concentration.2. Number of Monitoring Sites 13 13 13 12 12 12 12 11 1 1 26 27 28 29 21 211 212 213 214 215 22

PART II: ACID PRECIPITATION MONITORING NETWORK - Network-wide Annual Mean Sulphate and Nitrate Concentration Trends.5.45 Network-wide Average Nitrate Concentration in Precipitation New Brunswick, 26-215 Mean Nitrate Concentration (mg/l).4.35.3..2.15.1.5. Average concentration Minimum concentration Maximum concentration Number of Monitoring Sites 13 13 13 12 12 12 12 11 1 1 26 27 28 29 21 211 212 213 214 215 23

Part III: Industry-Operated Air Quality Monitoring Networks 24

N NO 2 PM 2.5 TRS TSP WD WS Twin Rivers, St. Mary s Twin Rivers, Cormier PM 2.5 The Provincial Air Quality Monitoring Network - Industry - Run Stations LEGEND AV Cell Atholville, Boom Rd. Monitoring Station Nitrogen Dioxide Fine Particulate Matter Sulphur Dioxide Total Reduced Sulphur Total Suspended Particulate Wind Direction Wind Speed Glencore, Townsite TSP Glencore, Boulay TSP Glencore, Chalmers TSP AV Nackawic, Nackawic PM 2.5 TRS Irving Pulp & Paper, Indiantown TRS NB Power, Grand Bay AV Cell Atholville, Beauvista Lake Utopia Paper, Lake Utopia NB Power, Musquash NB Power, Lorneville PM 2.5 WD WS Irving Pulp & Paper, Milford TRS NB Power, Jacquet River NB Power, Municipal Hall NO 2 PM 2.5 NB Power, Belledune East NO 2 PM 2.5 NB Power, Pointe-Verte NB Power, Madran NB Power, Lower Newcastle NO 2 NB Power, Rockcliff NO 2 TSP Irving Oil Ltd., Silver Falls Irving Oil Ltd., Grandview West NO 2 Irving Oil Ltd., Forest Products Irving Oil Ltd., Midwood WD TRS WS Irving Pulp & Paper, Sherbrook TRS NB Power, Manawagonish Rd. PM 2.5 Arbec Forest Products, Hay Lane PM 2.5 Arbec Forest Products, Morrison Cove TSP Arbec Forest Products, Fire Ponds PM 2.5 TSP

PART III: INDUSTRY-OPERATED NETWORKS - Glencore, Belledune - Sulphur Dioxide 5 475 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Glencore - Belledune - Chalmers (215) 1 hour standard (339 ppb) 5 475 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Glencore - Belledune - Boulay (215) 1 hour standard (339 ppb) 5 475 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Glencore - Belledune - Townsite (215) 1 hour standard (339 ppb) 26

PART III: INDUSTRY-OPERATED NETWORKS - Glencore, Belledune - Total Suspended Particulate Concentration - Daily Average (µg/m 3 ) 24 23 22 21 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Total Suspended Particulate (TSP) Glencore - Belledune - Chalmers (215) Daily Standard (12 µg/m 3 ) Concentration - Daily Average (µg/m 3 ) 24 23 22 21 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Total Suspended Particulate (TSP) Glencore - Belledune - Boulay (215) Daily Standard (12 µg/m 3 ) Concentration - Daily Average (µg/m 3 ) 24 23 22 21 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Total Suspended Particulate (TSP) Glencore - Belledune - Townsite (215) Daily Standard (12 µg/m 3 ) 27

PART III: INDUSTRY-OPERATED NETWORKS - NB Power, Belledune - Nitrogen Dioxide 23 22 21 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Nitrogen Dioxide Concentration NB Power Belledune - Belledune East (215) 1 hour standard (21 ppb) 23 22 21 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Nitrogen Dioxide Concentration NB Power Belledune - Belledune Municipal Hall (215) 1 hour standard (21 ppb) 28

PART III: INDUSTRY-OPERATED NETWORKS - NB Power, Belledune - Fine Particulate Matter Concentration - 24-Hour Average (µg/m 3 ) 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) NB Power Belledune - Belledune East (215) Concentration - 24-Hour Average (µg/m 3 ) 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) NB Power Belledune - Belledune Municipal Hall (215) 29

PART III: INDUSTRY-OPERATED NETWORKS - NB Power, Belledune - Sulphur Dioxide 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 NB Power - Belledune - Belledune East (215) 1 hour standard (339 ppb) 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 NB Power - Belledune - Jacquet River (215) 1 hour standard (339 ppb) 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 NB Power - Belledune - Madran (215) 1 hour standard (339 ppb) 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 NB Power - Belledune - Municipal Hall (215) 1 hour standard (339 ppb) 3

PART III: INDUSTRY-OPERATED NETWORKS - NB Power, Belledune - Sulphur Dioxide 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 NB Power - Belledune - Pointe-Verte (215) 1 hour standard (339 ppb) 31

PART III: INDUSTRY-OPERATED NETWORKS - NB Power, Millbank - Nitrogen Dioxide 23 22 21 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Nitrogen Dioxide Concentration NB Power - Millbank - Lower Newcastle (215) 1 hour standard (21 ppb) 23 22 21 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Nitrogen Dioxide Concentration NB Power - Millbank - Rockcliff (215) 1 hour standard (21 ppb) 32

PART III: INDUSTRY-OPERATED NETWORKS - NB Power, Millbank - Sulphur Dioxide 375 35 3 3 275 2 2 175 15 1 1 75 5 NB Power - Millbank - Lower Newcastle (215) 1 hour standard (339 ppb) 375 35 3 3 275 2 2 175 15 1 1 75 5 NB Power - Millbank - Rockcliff (215) 1 hour standard (339 ppb) 33

PART III: INDUSTRY-OPERATED NETWORKS - NB Power, Millbank - Total Suspended Particulate Concentration - Daily Average (µg/m 3 ) 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Total Suspended Particulate (TSP) NB Power - Millbank - Rockcliff (215) Daily Standard (12 µg/m 3 ) 34

PART III: INDUSTRY-OPERATED NETWORKS - NB Power, Coleson Cove - Fine Particulate Matter Concentration - 24-Hour Average (µg/m 3 ) 5 45 4 35 3 2 15 1 Fine Particulate Matter (PM 2.5 ) NB Power Coleson Cove - Lorneville (215) Concentration - 24-Hour Average (µg/m 3 ) 5 45 4 35 3 2 15 1 Fine Particulate Matter (PM 2.5 ) NB Power Coleson Cove - Manawagonish Road (215) 5 5 35

PART III: INDUSTRY-OPERATED NETWORKS - NB Power, Coleson Cove - Sulphur Dioxide 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 NB Power Coleson Cove - Grand Bay - Westfield (215) 1 hour standard (169.5 ppb) 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 NB Power Coleson Cove - Lorneville (215) 1 hour standard (169.5 ppb) 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 NB Power Coleson Cove - Manawagonish Road (215) 1 hour standard (169.5 ppb) 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 NB Power Coleson Cove - Musquash (215) 1 hour standard (169.5 ppb) 36

PART III: INDUSTRY-OPERATED NETWORKS - Irving Oil Ltd., Saint John - Nitrogen Dioxide 23 22 21 2 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Nitrogen Dioxide Concentration Irving Oil - Grandview West 2 - Saint John (215) 1 hour standard (21 ppb) 37

PART III: INDUSTRY-OPERATED NETWORKS - Irving Oil Ltd., Saint John - Sulphur Dioxide 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Irving Oil - Grandview West 1 - Saint John (215) 1 hour standard (169.5 ppb) 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Irving Oil - Midwood Avenue - Saint John (215) 1 hour standard (169.5 ppb) 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Irving Oil - Silver Falls - Saint John (215) 1 hour standard (169.5 ppb) 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Irving Forest Products - Saint John (215) 1 hour standard (169.5 ppb) 38

PART III: INDUSTRY-OPERATED NETWORKS - Irving Oil Ltd., Saint John - Total Reduced Sulphur 34 32 3 28 26 24 22 2 18 16 14 12 1 8 6 4 2 Total Reduced Sulphur Concentration Irving Oil Limited - Midwood Avenue - Saint John (215) 1 hour H 2 S standard (11 ppb) 39

PART III: INDUSTRY-OPERATED NETWORKS - Irving Pulp and Paper, Saint John - Total Reduced Sulphur 34 32 3 28 26 24 22 2 18 16 14 12 1 8 6 4 2 Total Reduced Sulphur Concentration Irving Pulp and Paper - Indiantown - Saint John (215) 1 hour H 2 S standard (11 ppb) 34 32 3 28 26 24 22 2 18 16 14 12 1 8 6 4 2 Total Reduced Sulphur Concentration Irving Pulp and Paper - Milford - Saint John (215) 1 hour H 2 S standard (11 ppb) 34 32 3 28 26 24 22 2 18 16 14 12 1 8 6 4 2 Total Reduced Sulphur Concentration Irving Pulp and Paper - Sherbrooke Street - Saint John (215) 1 hour H 2 S standard (11 ppb) 4

PART III: INDUSTRY-OPERATED NETWORKS - Irving Pulp and Paper, Lake Utopia - Sulphur Dioxide 6 575 55 5 5 475 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Irving Pulp and Paper - Lake Utopia Paper (215) 1 hour standard (169.5 ppb) 41

PART III: INDUSTRY-OPERATED NETWORKS - Twin Rivers Paper Company, Edmundston - All Parameters 6 575 55 5 5 475 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Twin Rivers - Edmundston - St. Mary's (215) 1 hour standard (339 ppb) 6 575 55 5 5 475 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 Twin Rivers - Edmundston - Cormier School (215) 1 hour standard (339 ppb) Concentration - 24-Hour Average (µg/m 3 ) 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) Twin Rivers - Edmundston - Cormier School (215) 42

PART III: INDUSTRY-OPERATED NETWORKS - AV Nackawic, Nackawic - All Parameters Concentration - 24-Hour Average (µg/m 3 ) 6 55 5 45 4 35 3 2 15 1 5 Fine Particulate Matter (PM 2.5 ) AV Nackawic - Caverhill Road (215) 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 AV Nackawic - Caverhill Road (215) 1 hour standard (339 ppb) 13. 12. 11. 1. 9. 8. 7. 6. 5. 4. 3. 2. Total Reduced Sulphur Concentration AV Nackawic - Caverhill Road (215) 1 hour H 2 S standard (11 ppb) 1.. 43

PART III: INDUSTRY-OPERATED NETWORKS - AV Cell, Atholville - Sulphur Dioxide 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 AV Cell - Atholville - Beauvista East (215) 1 hour standard (339 ppb) 45 4 4 375 35 3 3 275 2 2 175 15 1 1 75 5 AV Cell - Atholville - Boom Road (215) 1 hour standard (339 ppb) 44

PART III: INDUSTRY-OPERATED NETWORKS - Arbec Forest Products, Miramichi- All Parameters Concentration - 24-Hour Average (µg/m 3 ) 6 55 5 45 4 35 3 2 15 1 Fine Particulate Matter (PM 2.5 ) Arbec Forest Products - Miramichi - Fire Ponds (215) Concentration - 24-Hour Average (µg/m 3 ) 6 55 5 45 4 35 3 2 15 1 Fine Particulate Matter (PM 2.5 ) Arbec Forest Products - Miramichi - Hay Lane (215) 5 5 Concentration - Daily Average (µg/m 3 ) 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Total Suspended Particulate (TSP) Arbec Forest Products - Miramichi - Morrison Cove (215) Daily Standard (12 µg/m 3 ) Concentration - Daily Average (µg/m 3 ) 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Total Suspended Particulate (TSP) Arbec Forest Products - Miramichi - Fire Ponds (215) Daily Standard (12 µg/m 3 ) 45

Part IV: Detailed Station Location Maps 46

PART IV: DETAILED STATION LOCATION MAPS - Saint John Region Grand Bay/Musquash/Saint John Area 47 The City of Saint John

PART IV: DETAILED STATION LOCATION MAPS - Belledune Belledune Area 48

PART IV: DETAILED STATION LOCATION MAPS - Edmundston and Lower Newcastle Edmundston Area Lower Newcastle 49