As the regulating bodies continue to increase reporting pressures and initiate air pollution law measures, the need for industrial operations to conduct air quality testing at the source has grown significantly. As one of the largest testing firms in Canada, we continue to invest in this growth area. RWDI owns and operates parameter specific testing equipment with mobile lab capabilities.
Generally our source testing division assists clients in the following areas:
- Compliance testing
- Continuous and real-time testing
- Pollution control testing
- Emission inventory development
- Emission factor development
- CEM certification testing (RATA)
- Process optimization
RWDI has completed numerous testing programs for the following parameters:
- Particulate Concentrations (Total PM, PM10, PM2.5)
- Pollutant Concentrations (CO, CO2, O3, O2, SOX, NOX, THC, volatile, semi-volatile organic metals, hazardous air polutants)
- Semi volatile compounds (PCBs, PAHs, dioxins and furans)
- Volatile organics (total and individual species)
- Odor
- Metals (including Cr+6)
- Acid gases (sulfuric, hydrochloric and hydrofluoric acids)
- Visible emissions (Opacity)
Ambient Monitoring:
RWDI hs significant expertise in evaluating the impact of airborne emissions, including:
- Stationary and mobile exhaust dispersion
- Dust
- Odors
- Accidental spills and releases
Long term air quality monitoring projects have been commissioned and maintained for many industrial operations.
RWDI currently has two portable ambient monitoring stations that include:
- Meteorological equipment
- Data logger systems
- TEOM PM10 and PM2.5 samplers
- Several continuous ambient monitors and spare parts
RWDI has significant amount of ambient monitoring station operation / maintenance expertise and has monitored a comprehensive list of compounds with advanced equipment and methodologies as demonstrated in the following table.
| Parameter |
Monitoring / Sampling Methodology |
Instrumentation |
| Total suspended particulate matter (TSP) -Hi-Vol |
MOE AMP-101, EPA IO-2.1 |
High volume sampler |
| Metals in TSP |
EPA IO-3.2 |
High volume sampler |
| Respirable particulate matter (PM10) - continuous |
EPA IO-1.3 |
R&P TEOM |
| Respirable particulate matter (PM10) - integrated |
EPA IO-2.1 |
Modified high volume sampler |
| Nitrogen oxide, nitrogen dioxide, total oxides of nitrogen (NO, NO2, NOX) |
EPA RFNA-0280-042 |
Monitor Labs Model 8840 |
| Carbon monoxide (CO) |
EPA RFCA-0970-041 |
Monitor Labs Model 8830 |
| Ozone (O3) |
EPA EQOA-0193-091 |
Monitor Lab Model 9810 |
| Sulphur dioxide (SO2) |
EPA EQSA-0990-077 |
TECO |
| Total reduced sulphur (TRS) |
EPA EQSA-0990-077 |
TECO |
| Total hydrocarbons (THC) |
EPA TO-12 |
TECO |
| Polycyclic aromatic hydrocarbons (PAH) |
EPA TO-4A |
PS-1 Sampler |
| Aldehydes and ketones |
EPA TO-5 |
Adsorbent tubes |
| Volatile organic compounds |
EPA TO-2, EPA TO-14, EPA TO-17 |
Adsorbent tubes, gas bags, evacuated canisters |
| Wind speed and wind direction |
MOE and Environment Canada Protocols |
RM Young Wind Monitor 05103 |
| Ambient temperature |
MOE and Environment Canada Protocols |
CS107 |
| Relative humidity |
MOE and Environment Canada Protocols |
Vaisala HMP45C |
| Barometric pressure |
MOE and Environment Canada Protocols |
CS105 |
| Solar radiation |
MOE and Environment Canada Protocols |
Li-Cor LI200X |
RWDI has developed a system of QA/QC procedures that ensure a high rate of data recovery and the accuracy of the results.
RWDI references sampling / monitoring methodologies from regulatory bodies such as the MOE, Environment Canada and U.S. EPA.
Weekly station inspections and monthly station calibrations by RWDI.
RWDI interfaces with regulatory and non-regulatory personnel on a regular basis.
Additional information:
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