| Column 1 | Column 2 | Column 3 | Column 4 |
| Indicator
| Environmental value
| Air quality objectives | Period
|
| µg/m 3 (except where noted) | ppm (volume/volume) |
| 1.2-dichloroethane | health and wellbeing | 764 | 0.173 | 24 hours |
| 1.3-butadiene | health and wellbeing | 2.4 | 0.001 | 1 year |
| arsenic and compounds (measured as the total metal content in PM 10) | health
and wellbeing | 6ng/m 3 | | 1 year |
| benzene | health and wellbeing | 5.4 | 0.002 | 1 year |
| benzo(a)pyrene (as a marker for polycyclic aromatic hydrocarbons) | health and
wellbeing | 0.3ng/m 3 | | 1 year |
| cadmium and compounds (measured as the total metal content in PM 10) | health
and wellbeing | 5ng/m 3 | | 1 year |
| carbon disulfide | health and wellbeing | 109 | 0.032 | 24 hours |
| protecting aesthetic environment | 22 | 0.006 | 30 minutes |
| carbon monoxide | health and wellbeing | 11mg/m 3 | 9 | 8 hours |
| dichloromethane | health and wellbeing | 3.3mg/m 3 | 0.9 | 24 hours |
| 0.49mg/m 3 | 0.13 | 1 week |
| fluoride | health and biodiversity of ecosystems (other than protected areas)
| 2.9 | | 24 hours |
| 0.84 | | 30 days |
| 0.5 | | 90 days |
| health and biodiversity of ecosystems (for protected areas) | 0.1 | | 90 days |
| protecting agriculture | 1.5 | | 24 hours |
| 0.4 | | 30 days |
| 0.25 | | 90 days |
| formaldehyde | health and wellbeing | 54 | 0.04 | 24 hours |
| protecting aesthetic environment | 109 | 0.082 | 30 minutes |
| hydrogen sulfide | health and wellbeing | 164 | 0.108 | 24 hours |
| protecting aesthetic environment | 7.5 | 0.005 | 30 minutes |
| inorganic mercury vapour | health and wellbeing | 1.1 | | 1 year |
| lead and compounds (measured as the total metal content in total suspended
particles) | health and wellbeing | 0.5 | | 1 year |
| manganese and compounds (measured as the total metal content in PM 10) | health
and wellbeing | 0.16 | | 1 year |
| nickel and compounds (measured as the total metal content in PM 10) | health and
wellbeing | 22ng/m 3 | | 1 year |
| nitrogen dioxide | health and wellbeing | 164 | 0.08 | 1 hr |
| 31 | 0.015 | 1 year |
| health and biodiversity of ecosystems | 33 | 0.016 | 1 year |
| ozone | health and wellbeing | 139 | 0.065 | 8 hours |
| ozone (measured as accumulated exposure over a threshold of 40 ppb during
daylight hours) | protecting agriculture | | 0.2 ppm-hr | 5 days |
| | 3 ppm-hr | 3 months |
| health and biodiversity of ecosystems (for semi-natural vegetation) | | 3 ppm-hr | 3
months |
| health and biodiversity of ecosystems (for natural or uncultivated areas) | | 10
ppm-hr | 6 months |
| PM 2.5 | health and wellbeing | 25 | | 24 hours |
| 8 | | 1 year |
| PM 10 | health and wellbeing | 50 | | 24 hours |
| | health and wellbeing | 25 | | 1 year |
| styrene | health and wellbeing | 284 | 0.061 | 1 week |
| protecting aesthetic environment | 76 | 0.016 | 30 minutes |
| sulfate | health and wellbeing | 27 | | 24 hours |
| sulfur dioxide | health and wellbeing | 286 | 0.1 | 1 hr |
| 57 | 0.02 | 24 hours |
| protecting agriculture | 31 | 0.011 | 1 year |
| health and biodiversity of ecosystems (for forests and natural vegetation) | 21
| 0.0075 | 1 year |
| tetrachloroethylene | health and wellbeing | 0.27mg/m 3 | 0.037 | 1 year |
| protecting aesthetic environment | 8.7mg/m 3 | 1.2 | 30 minutes |
| toluene | health and wellbeing | 4.1mg/m 3 | 1 | 24 hours |
| 400 | 0.1 | 1 year |
| protecting aesthetic environment | 1.1mg/m 3 | 0.3 | 30 minutes |
| total suspended particles | health and wellbeing | 90 | | 1 year |
| vanadium and compounds (measured as the total metal content in PM 10) | health
and wellbeing | 1.1 | | 24 hours |
| vinyl chloride monomer | health and wellbeing | 28 | 0.010 | 24 hours |
| visibility reducing particles | protecting aesthetic environment | 20km visibility
in the air environment | | 1 hr |
| xylenes (as a total of ortho, meta and para isomers) | health and wellbeing
| 1.2mg/m 3 | 0.25 | 24 hours |
| 950 | 0.2 | 1 year |
Queensland Consolidated Regulations