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Liddell

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Details of Licence Conditions

EPA Licence No 11220
Link to full licence on the EPA website View full licence
Licensee Name Orica Australia Pty Ltd
Licensee Address Pikes Gully Road, Ravensworth, NSW 2330
Location of Monitoring Points Effluent monitoring points identified
as E1 (Point 1) and E2 (Point 2)

Monitoring Data

Incident Response

Monitoring Point  Pollutant Unit of Measure Monitoring Frequency Sampling Method 
 Point 1 and 2 Faecal Coliforms  colony forming units per 100 millilitres  Quarterly   Grab sample
 Point 1 and 2 pH  pH  Quarterly   Grab sample

In the event of any unauthorised water discharges (overflows) from the Lower Sedimentation Dam (P100) the following water quality sampling is required (Condition E1.1):

Monitoring Point   Pollutant Unit of Measure Frequency Sample Method 
 P100 Ammonia milligrams per litre  Daily during discharge Grab sample
 P100 Nitrate + nitrite (oxidised nitrogen) milligrams per litre Daily during discharge
Grab sample 
 P100 Nitrogen (Total) milligrams per litre
 Daily during discharge Grab sample
 P100 Total Kjeldahl Nitrogen milligrams per litre
 Daily during discharge  Grab sample
 P100 Total dissolved solids milligrams per litre Daily during discharge  Grab sample
 P100 Total suspended solids milligrams per litre Daily during discharge  Grab sample
 P100 Conductivity microsiemens Daily during discharge Grab sample
 P100 pH pH Daily during discharge Grab sample
 P100 Oil and Grease  milligrams per litre Daily during discharge
 Grab sample