Emissions Data

Emissions from the Durham York Energy Centre (DYEC) are recorded by the continuous emissions monitoring system (CEMS). Emissions data is also collected during source (stack) tests.

Continuous emissions data on this web page is collected by the facility’s Digital Control System (DCS) and automatically posted as close to real time as possible for information purposes. Data has not undergone final verification or complete quality control and quality assurance procedure; therefore, this data should not be used in published documents. Final verification and quality control procedures are undertaken on regular basis and are stored on the DCS master log for regulatory purposes.

Legend

N/A - Not applicable, no ECA limit associated with the parameter
% - Per cent
> - Greater than
< - Less than
mg/Rm3 - Milligrams per reference metre cubed
avg - Average
Min. - Minimum
°C - Celsius
IDA - Insufficient data available
CAL - Analyzer in calibration test
ERR - Calibration error

Please note: There are known rendering issues when viewing the table on certain mobile devices, user experience may vary at this time.

Friday, July 23, 2021

  
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Hourly

All data is based on a 24 hour rolling average, except for the following:

  • Carbon Monoxide (CO) - 4 hour rolling average;
  • Opacity (5%) - 2 hour rolling average; and
  • Furnace Temperature and Oxygen (O2) - hourly average.

Boiler 1

  Compliance Data Operational Data
Time Opacity (2hr avg) Hydrochloric Acid (HCl) Sulphur Dioxide (SO2) Nitrogen Oxides (NOx) Carbon Monoxide (CO) Oxygen (O2) Furnace Temperature Baghouse Inlet Temperature Moisture Hydrogen Fluoride (HF) Ammonia (NH3)
Limit 5 9 35 121 40 Min. 6 Min. 1000 >120 <185 N/A N/A N/A
Units % mg/Rm3 mg/Rm3 mg/Rm3 mg/Rm3 % °C °C % mg/Rm3 mg/Rm3
14:00:00 1 2 0 107 9 9 1218 141 19 0 9
13:00:00 1 2 0 108 9 9 1190 141 17 0 9
12:00:00 1 2 0 108 10 8 1198 139 19 0 9
11:00:00 1 2 0 108 11 8 1200 139 19 0 9
10:00:00 1 2 0 109 11 9 1185 140 19 0 9
09:00:00 1 2 0 109 11 8 1205 137 19 0 9
08:00:00 1 2 0 109 9 IDA 1182 140 19 0 10
07:00:00 1 2 0 110 8 8 1211 143 18 0 9
06:00:00 1 2 0 109 7 8 1192 143 17 0 9
05:00:00 1 1 0 111 6 9 1232 143 15 0 8
04:00:00 1 1 0 109 8 9 1223 142 16 0 8
03:00:00 1 1 0 109 8 9 1241 141 15 0 8
02:00:00 1 1 0 108 9 9 1226 141 16 0 9
01:00:00 1 1 0 108 10 8 1187 141 16 0 9

Boiler 2

  Compliance Data Operational Data
Time Opacity (2hr avg) Hydrochloric Acid (HCl) Sulphur Dioxide (SO2) Nitrogen Oxides (NOx) Carbon Monoxide (CO) Oxygen (O2) Furnace Temperature Baghouse Inlet Temperature Moisture Hydrogen Fluoride (HF) Ammonia (NH3)
Limit 5 9 35 121 40 Min. 6 Min. 1000 >120 <185 N/A N/A N/A
Units % mg/Rm3 mg/Rm3 mg/Rm3 mg/Rm3 % °C °C % mg/Rm3 mg/Rm3
14:00:00 1 3 0 110 12 8 1218 145 18 0 5
13:00:00 1 3 0 110 12 8 1221 144 17 0 5
12:00:00 1 3 0 110 11 8 1214 143 15 0 5
11:00:00 1 3 0 110 10 8 1226 143 18 0 5
10:00:00 1 3 0 110 10 8 1226 143 17 0 5
09:00:00 1 3 0 110 11 8 1226 140 16 0 5
08:00:00 1 3 0 110 11 8 1228 142 18 0 5
07:00:00 1 3 0 110 12 7 1261 144 18 0 5
06:00:00 1 3 0 111 11 7 1176 143 18 0 5
05:00:00 1 3 0 111 10 7 1180 143 16 0 4
04:00:00 1 3 0 111 10 8 1186 144 17 0 4
03:00:00 1 3 0 111 9 8 1203 144 16 0 4
02:00:00 1 3 0 111 10 8 1179 145 17 0 4
01:00:00 1 3 0 111 11 7 1219 144 16 0 4

10 Minutes

Boiler 1
Time Total Hydrocarbons (Organic Matter)
Limit N/A
Units mg/Rm3
14:20:00 0
14:10:00 0
14:00:00 0
13:50:00 0
13:40:00 0
13:30:00 0
13:20:00 0
13:10:00 0
13:00:00 0
12:50:00 0
12:40:00 0
12:30:00 0
12:20:00 0
12:10:00 0
12:00:00 0
11:50:00 0
11:40:00 IDA
11:30:00 0
11:20:00 0
11:10:00 0
11:00:00 0
10:50:00 0
10:40:00 0
10:30:00 0
10:20:00 0
10:10:00 0
10:00:00 IDA
09:50:00 IDA
09:40:00 0
09:30:00 0
09:20:00 0
09:10:00 0
09:00:00 0
08:50:00 0
08:40:00 IDA
08:30:00 0
08:20:00 0
08:10:00 0
08:00:00 1
07:50:00 0
07:40:00 0
07:30:00 0
07:20:00 0
07:10:00 0
07:00:00 0
06:50:00 0
06:40:00 0
06:30:00 0
06:20:00 0
06:10:00 0
06:00:00 IDA
05:50:00 CAL
05:40:00 IDA
05:30:00 0
05:20:00 0
05:10:00 0
05:00:00 0
04:50:00 0
04:40:00 0
04:30:00 0
04:20:00 0
04:10:00 0
04:00:00 0
03:50:00 CAL
03:40:00 CAL
03:30:00 0
03:20:00 0
03:10:00 0
03:00:00 0
02:50:00 0
02:40:00 IDA
02:30:00 0
02:20:00 0
02:10:00 0
02:00:00 0
01:50:00 0
01:40:00 0
01:30:00 0
01:20:00 0
01:10:00 0
01:00:00 0
00:50:00 0
00:40:00 0
00:30:00 0
00:20:00 0
00:10:00 0
Boiler 2
Time Total Hydrocarbons (Organic Matter)
Limit N/A
Units mg/Rm3
14:20:00 0
14:10:00 0
14:00:00 0
13:50:00 0
13:40:00 0
13:30:00 0
13:20:00 0
13:10:00 0
13:00:00 0
12:50:00 0
12:40:00 0
12:30:00 0
12:20:00 0
12:10:00 0
12:00:00 0
11:50:00 0
11:40:00 IDA
11:30:00 0
11:20:00 0
11:10:00 0
11:00:00 0
10:50:00 0
10:40:00 0
10:30:00 0
10:20:00 0
10:10:00 0
10:00:00 0
09:50:00 0
09:40:00 0
09:30:00 0
09:20:00 0
09:10:00 0
09:00:00 0
08:50:00 0
08:40:00 IDA
08:30:00 0
08:20:00 0
08:10:00 0
08:00:00 IDA
07:50:00 IDA
07:40:00 0
07:30:00 0
07:20:00 0
07:10:00 0
07:00:00 0
06:50:00 0
06:40:00 0
06:30:00 0
06:20:00 0
06:10:00 0
06:00:00 0
05:50:00 0
05:40:00 IDA
05:30:00 CAL
05:20:00 0
05:10:00 0
05:00:00 0
04:50:00 0
04:40:00 0
04:30:00 0
04:20:00 0
04:10:00 0
04:00:00 0
03:50:00 0
03:40:00 CAL
03:30:00 IDA
03:20:00 0
03:10:00 0
03:00:00 0
02:50:00 0
02:40:00 IDA
02:30:00 0
02:20:00 0
02:10:00 0
02:00:00 0
01:50:00 0
01:40:00 0
01:30:00 0
01:20:00 0
01:10:00 0
01:00:00 0
00:50:00 0
00:40:00 0
00:30:00 0
00:20:00 0
00:10:00 0

Minute

Boiler 1
Time Opacity (6min avg)
Limit 10
Units %
14:28:00 1
14:27:00 1
14:26:00 1
14:25:00 1
14:24:00 1
14:23:00 1
14:22:00 1
14:21:00 1
14:20:00 1
14:19:00 1
14:18:00 1
14:17:00 1
14:16:00 1
14:15:00 1
14:14:00 1
14:13:00 1
14:12:00 1
14:11:00 1
14:10:00 1
14:09:00 1
14:08:00 1
14:07:00 1
14:06:00 1
14:05:00 1
14:04:00 1
14:03:00 1
14:02:00 1
14:01:00 1
14:00:00 1
13:59:00 1
13:58:00 1
13:57:00 1
13:56:00 1
13:55:00 1
13:54:00 1
13:53:00 1
13:52:00 1
13:51:00 1
13:50:00 1
13:49:00 1
13:48:00 1
13:47:00 1
13:46:00 1
13:45:00 1
13:44:00 1
13:43:00 1
13:42:00 1
13:41:00 1
13:40:00 1
13:39:00 1
13:38:00 1
13:37:00 1
13:36:00 1
13:35:00 1
13:34:00 1
13:33:00 1
13:32:00 1
13:31:00 1
13:30:00 1
13:29:00 1
13:28:00 1
13:27:00 1
13:26:00 1
13:25:00 1
13:24:00 1
13:23:00 1
13:22:00 1
13:21:00 1
13:20:00 1
13:19:00 1
13:18:00 1
13:17:00 1
13:16:00 1
13:15:00 1
13:14:00 1
13:13:00 1
13:12:00 1
13:11:00 1
13:10:00 1
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13:07:00 1
13:06:00 1
13:05:00 1
13:04:00 1
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08:31:00 1
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08:27:00 1
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08:20:00 1
08:19:00 1
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08:17:00 1
08:16:00 1
08:15:00 1
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08:12:00 1
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08:07:00 1
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08:05:00 1
08:04:00 1
08:03:00 1
08:02:00 1
08:01:00 1
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07:58:00 1
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07:55:00 1
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07:50:00 1
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07:47:00 1
07:46:00 1
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07:42:00 1
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07:40:00 1
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07:37:00 1
07:36:00 1
07:35:00 1
07:34:00 1
07:33:00 1
07:32:00 1
07:31:00 1
07:30:00 1
07:29:00 1
07:28:00 1
07:27:00 1
07:26:00 1
07:25:00 1
07:24:00 1
07:23:00 1
07:22:00 1
07:21:00 1
07:20:00 1
07:19:00 1
07:18:00 1
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07:10:00 1
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07:05:00 1
07:04:00 1
07:03:00 1
07:02:00 1
07:01:00 1
07:00:00 1
06:59:00 1
06:58:00 1
06:57:00 1
06:56:00 1
06:55:00 1
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06:52:00 1
06:51:00 1
06:50:00 1
06:49:00 1
06:48:00 1
06:47:00 1
06:46:00 1
06:45:00 IDA
06:44:00 IDA
06:43:00 IDA
06:42:00 IDA
06:41:00 IDA
06:40:00 CAL
06:39:00 CAL
06:38:00 CAL
06:37:00 CAL
06:36:00 CAL
06:35:00 CAL
06:34:00 CAL
06:33:00 CAL
06:32:00 CAL
06:31:00 1
06:30:00 1
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06:28:00 1
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06:26:00 1
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Boiler 2
Time Opacity (6min avg)
Limit 10
Units %
14:28:00 1
14:27:00 1
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13:34:00 1
13:33:00 0
13:32:00 0
13:31:00 0
13:30:00 0
13:29:00 1
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07:51:00 0
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06:30:00 IDA
06:29:00 IDA
06:28:00 IDA
06:27:00 IDA
06:26:00 IDA
06:25:00 CAL
06:24:00 CAL
06:23:00 CAL
06:22:00 CAL
06:21:00 CAL
06:20:00 CAL
06:19:00 CAL
06:18:00 CAL
06:17:00 CAL
06:16:00 1
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00:32:00 1
00:31:00 1
00:30:00 1
00:29:00 1
00:28:00 1
00:27:00 1
00:26:00 1
00:25:00 1
00:24:00 1
00:23:00 1
00:22:00 1
00:21:00 1
00:20:00 1
00:19:00 1
00:18:00 1
00:17:00 1
00:16:00 1
00:15:00 1
00:14:00 1
00:13:00 1
00:12:00 1
00:11:00 1
00:10:00 1
00:09:00 1
00:08:00 1
00:07:00 1
00:06:00 1
00:05:00 1
00:04:00 1
00:03:00 1
00:02:00 1
00:01:00 1

Source Test Parameters and Limits

November, 2020

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 2.6 2.0
Cadmium 7 ug/Rm3 0.075 0.056
Lead 50 ug/Rm3 0.37 0.34
Mercury 15 ug/Rm3 0.34 0.045
Dioxins and Furans 60 pg/Rm3 28.7 7.26
Organic Matter 50 ppmdv 0.5 1.1

June, 2020

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 1.14 1.04
Cadmium 7 ug/Rm3 0.056 0.11
Lead 50 ug/Rm3 0.55 0.61
Mercury 15 ug/Rm3 0.13 0.10
Dioxins and Furans 60 pg/Rm3 1.82 2.53
Organic Matter 50 ppmdv 0.2 1.7

September, 2019

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 0.61 0.54
Cadmium 7 ug/Rm3 0.18 0.080
Lead 50 ug/Rm3 0.54 0.57
Mercury 15 ug/Rm3 0.29 0.097
Dioxins and Furans 60 pg/Rm3 1.51 3.24
Organic Matter 50 ppmdv 0.8 0.3

June, 2019

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 0.62 0.38
Cadmium 7 ug/Rm3 0.10 0.08
Lead 50 ug/Rm3 0.59 0.46
Mercury 15 ug/Rm3 0.35 0.10
Dioxins and Furans 60 pg/Rm3 4.55 4.58
Organic Matter 50 ppmdv 1.8 0.5

October , 2018

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 0.34 0.32
Cadmium 7 ug/Rm3 0.14 0.04
Lead 50 ug/Rm3 0.18 0.22
Mercury 15 ug/Rm3 0.30 0.13
Dioxins and Furans 60 pg/Rm3 5.05 3.22
Organic Matter 50 ppmdv 0.70 1.0

June, 2018

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 1.11 0.96
Cadmium 7 ug/Rm3 0.14 0.12
Lead 50 ug/Rm3 0.45 0.29
Mercury 15 ug/Rm3 0.22 0.77
Dioxins and Furans 60 pg/Rm3 10.4 10.5
Organic Matter 50 ppmdv 0.8 1.2

October, 2017

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 1.40 0.66
Cadmium 7 ug/Rm3 0.05 0.03
Lead 50 ug/Rm3 0.34 0.48
Mercury 15 ug/Rm3 0.22 0.18
Dioxins and Furans 60 pg/Rm3 5.9 10.1
Organic Matter 50 ppmdv 0.3 0.03

May, 2017

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 1.03 1.17
Cadmium 7 ug/Rm3 0.12 0.069
Lead 50 ug/Rm3 0.28 0.28
Mercury 15 ug/Rm3 0.16 0.099
Dioxins and Furans 60 pg/Rm3 5.32 7.67
Organic Matter 50 ppmdv 1.0 0.8

November, 2016

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 0.95 1.04
Cadmium 7 ug/Rm3 0.07 0.12
Lead 50 ug/Rm3 0.39 0.28
Mercury 15 ug/Rm3 0.05 0.03
Dioxins and Furans 60 pg/Rm3 9.44 6.40
Organic Matter 50 ppmdv 4.6 4.0

May, 2016

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 0.62 0.48
Cadmium 7 ug/Rm3 0.04 0.04
Lead 50 ug/Rm3 0.27 0.22
Mercury 15 ug/Rm3 0.44 0.27
Dioxins and Furans 60 pg/Rm3 818 12.1
Organic Matter 50 ppmdv 0.8 0.9

November, 2015

Parameter Limit Boiler 1 Boiler 2
Total Suspended
Particulate Matter
9 mg/Rm3 0.53 0.41
Cadmium 7 ug/Rm3 0.12 0.15
Lead 50 ug/Rm3 0.57 0.51
Mercury 15 ug/Rm3 1.16 0.72
Dioxins and Furans 60 pg/Rm3 27.0 22.2
Organic Matter 50 ppmdv 0 4.9

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