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Our air quality testing services include but not limited to the following:
Ambient air quality continuous monitoring for pollutant gases (SO2, NO, NO2, NOx, CO, THC, NMHC, CH4, O3, NH3, H2S, CO2, HF and BTEX) and particulate matter (PM10, PM2.5 and PM1) Fig. 1.
- Continuous monitoring for weather metrological parameters (Wind speed, wind direction, humidity, temperature and precipitation).
- Particulate matter non-continuous monitoring (PM2.5, PM10, TSP) using high volume samplers (HVS). Filters can be sent to laboratory for further analysis including metals and hydrocarbons.
- Air quality assessment and consulting.
EQUIPMENT
Below is list of all our Ambient Air Quality Equipments:
| Instrument | Measure
Pollutant |
Detection
Method |
Detect.
Limit |
Range | Unit |
| Horiba –APSA370 | SO2 | UV fluorescence | 0.0005 | 0 – 0.5 | ppm |
| Horiba –APNA370 | NOx | chemiluminescence | 0.0005 | 0 – 1 | ppm |
| Horiba –APMA370 | CO | non-dispersive IR | 0.05 | 0 – 100 | ppm |
| Horiba –APHA370 | THC
NMHC CH4 |
FID | 0.05 | 0 – 50 | ppmC |
| Horiba –APOA370 | O3 | non dispersive UV | 0.0005 | 0 – 1 | ppm |
| Horiba –APNA370 | NH3 | chemiluminescence | 0.0005 | 0 – 1 | ppm |
| Horiba –APSA370 | H2S | UV fluorescence | 0.0005 | 0 – 0.5 | ppm |
| Horiba-VA-3001 | CO2 | non-dispersive IR | – | 0 – 100 | ppm |
| Gimm-180 | PM10 PM2.5
PM1 |
light-scattering | NA | 0.1-10,000 | ug/m3 |
| Honeywell-SPM | HF | Chem-cassette | 50 | 0-2000 | ppb |
| Syntech Spectras Analyzer GC955 | BTEX | PID | 0.15 | 0 – 300 | ppb |
| SIBATA-High Volume Samplers, Fig.2 | PM10 PM2.5
TSP |
Gravity | NA | – | ug/m3 |