Environmental Authority P-EA-100232409 · MCU22/0203

                                                                                                          Permit

                                                           Environmental authority P-EA-100232409



Records include breach notifications, written procedures, analysis results, monitoring reports and monitoring
programs required under a condition of this authority.

Reference site refers to a monitoring site located not only beyond the anticipated zone of influence of a sediment
plume, but also beyond other sources of environmental impacts, and has site pairing with one or more test sites
or sentinel sites. In monitoring programs, reference sites serve the same role as do control sites but can
generally be suitable for a broader set of parameters.

Release of a contaminant into the environment means to:
   • deposit, discharge, emit or disturb the contaminant
   • cause or allow the contaminant to be deposited, discharged, emitted or disturbed
   • fail to prevent the contaminant from being deposited, discharged emitted or disturbed
   • allow the contaminant to escape
   • fail to prevent the contaminant from escaping.

Sediment plume-associated monitoring (SPAM) means environmental monitoring associated with risk
management of sediment plume-associated impacts.

Sediment plume-associated impacts are impacts associated with sediment plumes including turbidity and
suspended solids concentrations, light attenuation or sedimentation rates elevated above either control site or
reference site readings or baseline conditions for an equivalent time of year. Where dredge material possesses
acid sulfate soil-related properties, sediment plume-associated impacts may also include pH, dissolved oxygen
and metal and metalloid-related toxicity impacts.

Sentinel site is a test site that is situated between the disturbance source and the sensitive receptor and
serves to provide earlier warning of developing adverse conditions than does a test site.

Sensitive place includes the following and includes a place within the curtilage of such a place reasonably used
by persons at that place:
    • a dwelling, residential allotment, mobile home or caravan park, residential marina or other residential
         premises; or
    • a motel, hotel or hostel; or
    • a kindergarten, school, university or other educational institution; or
    • a medical centre or hospital; or
    • a protected area under the Nature Conservation Act 1992, the Marine Parks Act 2004 or a World
         Heritage Area; or
    • a public park or garden; or
    • for noise, a place defined as a sensitive receptor for the purposes of the Environmental Protection
         (Noise) Policy 2019.
Sensitive receptor includes biological sensitive receptors together with other environmental values
sensitive to the effects of dredge-generated sediment plume-associated impacts.

Site pairing refers to monitoring sites that have a functional control-impact relationship, for example, Control
site A is referenced to assess monitoring data collected from Concern Sites AA and AB, thus, Concern Sites AA
and AB share site pairing with Control Site A.

Slightly disturbed is the ‘management intent’ for the ‘ecosystem condition’ as defined in Schedule 1 of the
Environmental Protection (Water and Wetland Biodiversity) Policy 2019. Slightly disturbed ecosystems should
generally be regarded as high ecological value ecosystems in all respects except for some relatively minor
disturbances (usually water-quality related e.g. nutrient concentrations exceeding the water quality objective).

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