Monitoring the air for benzo(a)pyrene
Benzo(a)pyrene is a by-product of combustion processes and industry. Benzo(a)pyrene concentrations measured in Melbourne and Traralgon appear below.
Results obtained to date are below the health based monitoring investigation
Annual average Benzo(a)Pyrene Concentrations for EPA's Polycyclic Aromatic Hydrocarbons (PAH) Studies
ng/m3: nanograms per cubic metre (1 billionth of a gram per cubic metre)
Note: Some projects ran for less than twelve months. More information on individual projects is available.
| Sample date | Location | Average benzo(a)pyrene concentration (ng/m3) |
|---|---|---|
| 2003 | Alphington | 0.2 |
| 2003 | Paisley (Altona North) | 0.1 |
| 2003/04 | Nunawading (Springvale Road) | 0.1 |
| 2004 | Brooklyn (Westgate Freeway) | 0.2 |
| 2005/06 | Eltham | 0.2 |
| 2006/07 | Carlton | 0.2 |
| 2007 | Traralgon | 0.1 |
| 2007 | Mooroolbark | 0.1 |
| 2008 | Campbellfield | 0.1 |
| National Environment Protection Measure (NEPM) investigation level (annual average) | 0.3 | |
ng/m3: nanograms per cubic metre (1 billionth of a gram per cubic metre)
Air quality summary
Tuesday 24 November 2009: Summary for the 24 hours to 3 PM: FAIR air quality at Footscray (due to local dust), and GOOD air quality elsewhere.
Forecast: GOOD air quality is expected in Melbourne tomorrow [Wednesday]