waters were typically disposed of by release into surface streams.
Today, approximately 95% of produced waters in the US are disposed of via underground
injection at an estimated volumetric flow rate on the order of 10 million m3/day (Otton and
Mercier, 2012).
2.1.1 Regulatory Scheme
USEPA regulations are the minimum foundation for the regulation of DWI in the US. Given
the size of the US and the various industrial operations that occur there and utilize DWI for
the disposal of waste
the period under review, this report also assigns a
rating as to each Company’s environmental and administrative performance.
Environmental performance is concerned with actual or likely effects on the
receiving environment from the activities during the monitoring year.
Administrative performance is concerned with the Company’s approach to
demonstrating consent compliance in site operations and management including the
timely provision of information to Council (such as contingency plans
settlement pond (after the wash area) was being cleaned
at the time of the inspection.
Stormwater and groundwater were being pumped from the floor of the quarry to the
third pond of the upper ponds settlement system. A moderate rate of discharge was
occurring from the final (sixth) pond to the tributary but there were no visual
impacts of this tributary on the appearance of the Kurapete Stream at the boundary
of the mixing zone as stream flow was high and turbid. Sampling of the wastewater
the impact of
invasive plants and animals.
Habitat loss (through land
clearance and drainage) has
historically been the main
pressure on biodiversity. While
the rate of land clearance and
drainage has declined in recent times, the
ongoing loss and modification of remnant
habitats remains an issue, particularly on
privately owned land in Taranaki. Even
small losses of habitat can now have a
disproportionate impact on remaining
biodiversity – not only in terms of remnant
sites
utilisation, to move closer to achieving sustainable
development of the region’s resources.
1.1.4 Evaluation of environmental performance
Besides discussing the various details of the performance and extent of compliance by
the consent holder during the period under review, this report also assigns a rating as
to the Company’s environmental and administrative performance.
Environmental performance is concerned with actual or likely effects on the receiving
environment from the activities
within twelve months; and
soon after planting, if only a knock-down pre-plant
herbicide was used. Further releasing may be
needed depending on the growth rate of the
plants. At least two years is usual; several years
longer if the species is slow-growing.
If possible, all weeds should be controlled before
reaching ten centimetres height, either by spraying
or handweeding. Where vegetation does become
rank, hand-grubbing or line-trimming should be
carried out prior.
page
When spraying,
of compliance by
the consent holder during the period under review, this report also assigns a rating as
to the consent holder’s environmental and administrative performance.
Environmental performance is concerned with actual or likely effects on the receiving
environment from the activities during the monitoring year. Administrative
performance is concerned with the consent holder’s approach to demonstrating
consent compliance in site operations and management including the timely
performance
Besides discussing the various details of the performance and extent of compliance by
the consent holder during the period under review, this report also assigns a rating as
to the Company’s environmental and administrative performance.
Environmental performance is concerned with actual or likely effects on the receiving
environment from the activities during the monitoring year. Administrative
performance is concerned with the Company’s approach to demonstrating consent
collection system) stormwater capacity
Based on a site area of 1. 4 ha (Pad 1 & 3), a rainfall intensity of 43 mm/hr (i. e. 7 mm in 10
mins = 42 mm in 1 hour), and the above coefficients, the estimated runoffflow rate from
Pad 1 and 3 will be 325. 8m3/hr. This is an extremely conservative estimate and is likely to
overestimate the volume to be actually discharged from the composting pad 1 & 3 during
this 1 in 5 year 10 minute storm event. Pond level is maintained to ensure that there is
enough
development of the
region’s resources.
1.1.4. Evaluation of environmental and administrative performance
Besides discussing the various details of the performance and extent of compliance by the Company, this
report also assigns them a rating for their environmental and administrative performance during the period
under review.
Environmental performance is concerned with actual or likely effects on the receiving environment from the
activities during the monitoring year. Administrative