Non-Compliance detail


  
Summary
 
Licence number: 1683
Annual Return Start: 01 Jul 2004
Annual Return End: 30 Jun 2005
Date Received: 29 Aug 2005
 
Licence Condition numberType of non-complianceEPA actionsNo. of times occurred
L3.1 Total Suspended Solids concentration exceeded 90 percentile limit on 26 Aug 04, 7 Sept 04, 19 Sept 04, 1 Oct 04, 30 Mar 05, 17 May 05 and 10 Jun 05 due to a biological process imbalance with plant, wet weather conditions and sample contamination. EPA to monitor future compliance with this condition 7
L3.1 On two occasions (19, 20, 21 Sept 04 and 17, 18, 19 May 05) the three day geometric mean Total Suspended Solids concentration limit was exceeded at monitoring point 1. Caused by biological process imbalance and wet weather bypasses, respectively. EPA to monitor future compliance with this condition 2
M2.1 Composite sampling at Monitoring Point 1 every 12 days for Biological Oxygen Demand, Oil and Grease, and Total Suspended Solids was not maintained on 24 Dec 04 and 17 May 05. Appropriate Action taken by licensee 2
M2.2 Composite sampling for two consecutive days following the exceedance of Total Suspended Solids 90 percentile concentration limit on 10 June 05 was not undertaken due to sampling machine failure. Appropriate Action taken by licensee 1
O3 Overflow from primary screening treatment building at Burwood Beach waste water treatment plant occurred due to failure of one of the Program Logic Controller's (PLC) controlling the inlet works screens on 30 Sept 04. Appropriate Action taken by licensee 1
L2.2 Failure to analyse sample of Hexavalent Chromium at Monitoring Point 18 on 20 May 05 due to the standard operating procedure not including parameter. Appropriate Action taken by licensee 1
M6.1 Discharge flow at Monitoring Point 19 not measured on 16, 17, 18 September 2004. Appropriate Action taken by licensee 3