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Non-Compliance detail
Summary
Licence number:
828
Annual Return Start:
01 Apr 2006
Annual Return End:
31 Mar 2007
Date Received:
30 May 2007
Licence Condition number
Type of non-compliance
EPA actions
No. of times occurred
L2.1
Exceedence of annual limit for Nitrogen (Total) (Estuarine) discharged from Monitoring Point 1. The annual load of nitrogen discharged from Monitoring Point 1 was 514,226kg compared to licence limit of 400,000kg.
PRP to address non-compliance(s) being negotiated
1
L3.1
Exceedence of Oil & Grease limit at Monitoring Point 1 (17mg/L).
Appropriate Action taken by licensee
1
L3.1
Arsenic limit in effluent exceeded. Licence limit of 0.05 mg/L compared with the daily result 0.07 mg/L recorded 31/3/07.
Appropriate Action taken by licensee
1
L3.1
Exceedence of effluent temperature (43 deg C) for 1.1% of the licence period.
PRP to address non-compliance(s) being negotiated
1
L3.1
Exceedence of NOx concentration level at Monitoring Point 20 (Reformer Stack), with concentration of 0.78g/m3 recorded on 6/9/06 compared to the licence limit of 0.35g/m3.
EPA to monitor future compliance with this condition
1
L3.6
Exceedence of the 99%-ile ;imit for NOx at Monitoring Point 3 (No.1 Nitric Acid Plant). Licence allows concentration of 400ppm to be exceeded during start-up and shutdown for 87.6hrs, however, it was exceeded by 236hrs due plant operating issues.
Appropriate Action taken by licensee
1
M2.1
Oil and Grease sampling in effluent at Monitoring Point 1 undertaken on a weekly basis, not bi-weekly as per licence requirements during weeks commencing 1/5/06 and 8/5/06.
Appropriate Action taken by licensee
2
M2.1
24 hour composite effluent samples at Monitoring Point 1 were not collected on the required dates - 27/5/06, 8/11/06, 24/1/07 and 19/3/07 due to power/instrument failure or operator error.
Appropriate Action taken by licensee
4
M2.1
NOx analyser instrument for No.1 Acid Plant Stack Nitrogen Oxide Analyser was not operating at 100% capacity during the period 15/11/06 - 20/11/06. It was operating at 98.5% during this period due to a technical fault in the instrument.
Appropriate Action taken by licensee
1
U1 Obj 4.1
Failure of the First Flush Stormwater system, due to faulty design. Diversion units were damaged by groundwater pressure which resulted in groundwater ingress overloading the system. Design issues rectified and system repaired.
Appropriate Action taken by licensee
1