Alberta Capital Airshed - Enoch Air Monitoring Station
August 2025
1 Site Document for Enoch Air Monitoring Station
1.1 Station Map
1.2 General Station Information
| Station | Information |
|---|---|
| Station number | 1737 |
| Station Name | Enoch |
| Date station established | Oct, 2024 (ACA) |
| Date information last updated | 01-Aug-25 |
| General Description | The Enoch station is located in the Enoch Cree Nation west of Edmonton. The Station is located within a school field. The station is situated on a concrete pad surrounded by a fence and field. |
| Station address | Township Road 523, Stony Plain, Enoch Cree Nation #135, AB |
| Station Location | 4-22-52-26 W4 |
| Latitude | 53.498072 |
| Longitude | -113.760713 |
| UTM | 12U 316887E 5931224N |
| Elevation | 697m |
| Airshed | Alberta Capital Airshed, ACA |
| Nearest street | Township Road 523 |
| Community | Enoch Cree Nation #135 |
| Population | 3172 |
| Census Year | 2021 |
| Land Use | |
| Scale of representativeness, | 500m |
| Land use by sector North | Community |
| Land use by sector East | Community |
| Land use by sector South | Community |
| Land use by sector West | Community |
| Angle of elevation to nearby buildings | Greatest Angle = 3.4 degrees, from 85deg |
| Average building height in the area (m) | 6m |
| Air flow restrictions from North | no |
| Air flow restrictions from South | no |
| Air flow restrictions from East | no |
| Air flow restrictions from West | no |
| Distance to nearest trees | 55m |
| Height of trees | 10m |
| Manifold Type | glass / stainless steel intake |
| Manifold height above structure | 2m |
| Meterological Equipment type | Crank down tower with RM-Young |
| Meterological Equipment height | 10m |
| Meterological Equipment distance from station | tied to station end |
1.3 Owner / Operator
| Station | Information |
|---|---|
| Operator | Alberta Capital Airshed, ACA |
| Address | 8737 53 Avenue NW, Edmonton, AB T6E 5E9 |
| Contact | Gary Redmond |
| Phone number | 587.520.7935 |
| gredmond@capitalairshed.ca | |
| Name of owner/approval holder | Alberta Capital Airshed, ACA |
| Address | 8737 53 Avenue NW, Edmonton, AB T6E 5E9 |
| Contact name | Gary Redmond |
| Phone number | 587.520.7935 |
| email address | gredmond@capitalairshed.ca |
| Approval number |
1.4 Map of Site Influences
| Description | Distance (m) | Angle (from N) | Height (m) |
|---|---|---|---|
| tree | 75 | 90deg | 15 |
| building | 50 | 85deg | 7 |
| tree | 55 | 180deg | 10 |
| Road | Type | Traffic Volume | Distance | Description |
|---|---|---|---|---|
| Range Road 263 | Paved | unknown | 115m west | NA |
| Source Name | Source Type | Distance from Site (km) | Compass Direction |
|---|---|---|---|
| refer to map | oil and gas | <1km | surrounding station |
1.5 Monitoring Equipment
| Instrument Type | Make | Model | Serial Number | AMU | Date Installed |
|---|---|---|---|---|---|
| Nitrogen Oxides (NO-NO2-NOx) | Thermo Scientific | 42i | 708721217 | 2024 | |
| Ozone (O3) | Thermo Scientific | 49i | 1150790051 | 2024 | |
| PM2.5 | SHARP | 5030i | CM23138002 | 2024 | |
| Dilution Calibrator | SABIO | 2010 | 2024 | ||
| Zero-Air Generator | API Teledyne | N701 | 2024 | ||
| Wind | RM Young | 18802 | 5564 | 2024 | |
| Wind Tower | Aluma | 2024 | |||
| Temperature/Relative Humidity | Campbell Scienitifc | HMP 45C | 2024 | ||
| Station Temperature | Campbell Scienitifc | 2024 | |||
| Data Logger | Campbell Scienitifc | CR3000 | 2024 | ||
| Cellular Modem | Sierra Wireless | LS300 | 2024 | ||
| Battery Back-up | APC | 1500VA | 2024 | ||
| HVAC | NOMA Portable AC | N/A | N/A | 2024 | |
| Station | N/A | N/A | N/A | N/A |
1.6 Site Plan view and Cross sectional analysis
1.6.1 Illustration of distance and height requirements
Plan view
a
= height of sample inlet above ground
b = distance from sample
inlet to any air flow obstacle (eg buildings) must be greater than 2
times the height of the obstacle above the sample inlet
c = sample
inlet must be greater than 20 metres horizontally from trees
| Description | Distance (m) | Angle (from N) | Height (m) | b | Angle | >26.5 deg | >2 x b | >20m trees |
|---|---|---|---|---|---|---|---|---|
| station inlet | 0 | 4 | NA | NA | ||||
| tree | 75 | 90deg | 15 | 11 | 8.5 | pass | pass | |
| building | 50 | 85deg | 7 | 3 | 3.4 | pass | pass | |
| tree | 55 | 180deg | 10 | 6 | 6.2 | pass | pass |
1.6.2 Illustration of distance and height requirements
h1
= height of obstacle 1; h2 = height of obstacle 2
d = must be
greater than 2.5 times the shelter height (minimum of 10 metres)
e
= height above any obstacle greater than 2 metres
f = distance must
be minimum 10 times h1; g = distance must be minimum 10 times h2
| Description | Distance (m) | d > 10m | structure >10x height | trees >10x height |
|---|---|---|---|---|
| station inlet | 0 | |||
| tree | 75 | pass | pass | |
| building | 50 | pass | pass | |
| tree | 55 | pass | pass |
1.7 Photographs for Continuous Stations
1.7.1 Station Pictures
Station looking East
Station looking North
Station looking South
Station looking West
Sample Inlet 1
Station Equipment Rack
Station Manifold
Station Particulate Analyzer
1.8 Trends and Roses for 2024
1.8.1 PolarMaps (Red high, Blue low)
1.8.2 Wind Rose 2024
