Sustainability Report 2006/07Organic chemicals
The reporting levels are based on Australian Drinking Water Guidelines (2004). Results should not exceed the reporting levels. Sampling is conducted at headworks reservoirs.
| Parameter | Reporting Level mg/L |
No. of Analyses |
Exceed Reporting Level No (%) |
|
|---|---|---|---|---|
| PESTICIDES | ||||
| Aldrin | 0.0003 | 19 | 0 | |
| Atrazine | 0.04 | 19 | ||
| Dieldrin | 0.0003 | 19 | 0 | |
| Chlordane | 0.001 | 19 | 0 | |
| DDT | 0.02 | 19 | 0 | |
| Heptachlor | 0.0003 | 19 | 0 | |
| Heptachlor epoxide | 0.0003 | 19 | 0 | |
| Lindane | 0.02 | 19 | 0 | |
| 2,4-D | 0.03 | 19 | 0 | |
| INDUSTRIAL CHEMICALS | ||||
| Carbon tetrachloride | 0.003 | 19 | 0 | |
| Tetrachloroethene | 0.05 | 19 | 0 | |
| Trichloroethene | - | 19 | 0 | |
| 1,1-Dichloroethene | 0.03 | 19 | 0 | |
| 1,2-Dichloroethene | 0.06 | 19 | 0 | |
| 1,2-Dichloroethane | 0.003 | 19 | 0 | |
| Benzene | 0.001 | 20 | 0 | |
| POLYNUCLEAR AROMATIC HYDROCARBONS (PAHs) | ||||
| Benzo-a-pyrene | 0.00001 | 20 | 0 | |
| BYPRODUCTS OF DISINFECTION | ||||
| Pentachlorophenol | 0.002 | 22 | 0 | |
| 2,4,6-Trichlorophenol | 0.02 | 22 | 0 | |
| TRIHALOMETHANES (THMs) | ||||
| 0.25* | 99 | 0 | ||
| CHLOROACETIC ACIDS | ||||
| Chloroacetic acid | 0.15 | 84 | 0 | |
| Dichloroacetic acid | 0.1 | 84 | 0 | |
| Trichloroacetic acid | 0.1 | 84 | 0 | |
* Guideline refers to total THMs present