AMBIENT AIR QUALITY MONITORING
Alam Hijau conducts Ambient Air Quality Monitoring services and has extensive experience in ambient air sampling and analysis. Ambient air characteristics standards are designed to protect human health, with an adequate margin of safety, including sensitive populations and individuals suffering from respiratory disease in order to comply with Malaysian Recommended Air Quality Guidelines.
| No | Parameter | Methodology | Sampling Technique |
| 1 | Total Suspended Particulate (TSP) | AS 2724.3 | High Volume Sampler |
| 2 | Particulate Matter <10 Micron (PM10) | USEPA IO-2.1 | High Volume Sampler With Size Selective Chamber |
| 3 | Nitrogen Dioxide (NO2) | ISC 408 | Impinger with Chemical Liquid |
| 4 | Sulfur Dioxide (SO2) | ISC 704 A | Impinger with Chemical Liquid |
Recommended Malaysian Air Quality Guidelines (Ambient Standards)
| Pollutant | Averaging Time | Guideline Concentration | |
| (ppb) | (µg/m3) | ||
| Primary Guidelines 1 | |||
| Nitrogen Oxides (NOX) | 1 hour | 170 | 320 |
| Sulphur Dioxide (SO2) | 10 min 1 hour 24 hour |
190 130 40 |
500 350 105 |
| Carbon Monoxide (CO) | 1 hour 8 hour |
30,000 9,000 |
35,000 10,000 |
| Ozone (O3) | 1 hour 8 hour |
100 60 |
200 120 |
| Total Suspended Particulates (TSP) | 24 hour 1 year |
- - |
260 90 |
| Respirable Dust (PM10) | 24 hour 1 year |
- - |
150 50 |
| Lead | 3 months | - | 1.5 |
| Secondary Guidelines 2 | |||
| Dust fall | 1 year | 133 mg/m2/day | |
| Notes: | |||
| 1. Protection of Public Health | |||
| 2. Prevention of nuisance and damage to the environment | |||
