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❓ Hon Jim Scott requests the Minister for the Environment and Heritage to table wastewater monitoring results from Nufarm's Kwinana deep bore for the past 12 months. The Minister provides the data for two 6-month periods, detailing various chemical parameters.

AnsweredQoN 402Legislative Council

Asked

19 February 2002

Member

Hon Jim Scott

Portfolio

the Environment and Heritage

QuestionView source ↗

(1) Will the Minister table the monitoring results of the wastewater disposed into Nufarm’s Kwinana deep bore for the last 12 months?
(2) If not, why not?

AnswerView source ↗

Answered

20 March 2002

Responded by

Minister for Housing and Works representing the Minister for the Environment and Heritage

Response time

29 days

(2) The monitoring results have been provided. Reporting Period: 1st November 2000 to 30th April 2001 Licence Condition W19: Disposal of Effluent via Deep Well Injection Point Disposal via Deep Well Injection Point Parameter Nov-00 Dec-00 Jan-01 Feb-01 Mar-01 Apr-01 pH 8.6 8.4 6.4 8.3 7.9 7.3 (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) Phenolics 4.3 4.1 2.0 1.6 0.51 0.69 2,4-D 3.0 2.2 4.4 <0.02 0.47 8.8 2,4,5-T <0.02 <0.02 0.13 <0.02 <0.01 <0.02 2,4,6-T <0.02 <0.02 <0.01 <0.02 <0.02 <0.02 MCPA 0.03 0.37 0.28 <0.02 0.07 3.3 Dicamba <0.02 <0.02 <0.01 <0.02 <0.01 <0.02 Atrazine <0.2 0.78 1.6 0.39 0.50 0.23 Diuron 41.0 4.7 4.5 2.6 <0.02 33.0 Simazine <0.2 0.25 1.7 0.41 0.34 0.37 Terbutryn <0.2 0.18 0.33 0.11 <0.02 0.06 Trifluralin 28 0.11 2.5 0.09 0.08 0.79 Molinate 1.1 <0.10 0.09 0.03 0.03 0.04 Prometryn 8.8 0.95 2.8 0.94 0.11 0.22 Fluometuron n.a. 3.7 n.a. n.a. n.a. 0.86 Anionic surfactants 3.0 2.7 51 25 33 0.69 TDS 22000 100000 64000 130000 120000 85000 TSS 61 63 40 22 130 20 n.a. Not Applicable Reporting Period: 1st May 2001 to 31st October 2001 Licence Condition W5: Disposal of Effluent via Deep Well Injection Point Disposal via Deep Well Injection Point Parameter May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 pH 7.2 7.4 6.8 6.6 7.0 n.a. (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) Phenolics 0.40 0.42 0.60 0.94 0.07 n.a. 2,4-D 0.056 0.011 13 0.47 0.93 n.a. 2,4,5-T <0.001 <0.001 <0.01 <0.05 <0.05 n.a. 2,4,6-T <0.001 <0.001 0.002 0.02 0.08 n.a. MCPA 0.012 0.007 0.04 0.39 0.39 n.a. Dicamba <0.001 0.001 <0.01 0.006 0.011 n.a. Atrazine 0.58 0.39 0.61 0.32 0.12 n.a. Diuron 3.3 3.8 4.3 1.0 160 n.a. Simazine 0.12 0.43 0.44 0.82 2.6 n.a. Terbutryn 0.017 0.017 <0.01 0.10 0.06 n.a. Trifluralin 0.37 1.2 0.35 0.24 0.49 n.a. Molinate 0.019 0.005 0.22 0.21 16 n.a. Prometryn 0.077 0.50 1.7 3.0 2.7 n.a. Fluometuron <0.001 <0.001 1.3 1.3 7.9 n.a. Anionic surfactants 18 28 7.3 8.9 6.2 n.a. TDS 55000 23000 8100 7300 7500 n.a. TSS 5 22 75 25 15 n.a. n.a. Not Applicable Refer to Environmental Licence Data Conditions for monitoring methods.

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