4/11/04: Brushy Plains Rivulet: Simazine 1.1ug/L, Terbacil 0.6ug/L
18/1/05: Brushy Plains Rivulet: Simazine 1.3ug/L
8/2/05: Brushy Plains Rivulet: Simazine 0.37ug/L
10/3/05: Brushy Plains Rivulet: Simazine 0.22ug/L, 0.21ug/L
Source FoI: (Agricultural Chemicals in Waterways: Tim Morris MP 28/2/08)