The wastewater was highly contaminated with amines and phenols (COD up to 5000mg/l). The facility used a batch processing method, which meant the water was highly variable, and very difficult to treat by conventional methods. Starting with demonstration that soil based reed beds were the ideal solution as they were versatile enough to handle the
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An old industrial site that had been used as a pesticide research and development facility required remediation. The ground and underlying aquifer was heavily contaminated with pesticides and other chemicals. Initially the contaminated soils were removed and partially treated by thermal desorption. Next, a groundwater treatment system was installed. This consisted of 4 reed beds
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Turlinjah is a small community of 70 people on the NSW South coast of Australia. Previously sewage was collected in septic tanks located less than 200 meters from extensive oyster leases in the Tuross Lake. There was concern about the untreated septic discharge into this sensitive receiving environment. Monitoring of the area showed levels
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iEnvi was engaged by an inner western Sydney Council to undertake a soil stockpile reuse investigation at a vacant property. It was important to determine the contamination condition of the 1,800 m3 soil stockpile before reuse options could be identified. Targeted test pits were excavated throughout the soil stockpile and sampled. Based on the findings
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In early 2019, iEnvi completed multiple preliminary site and soil investigations at recreational use parks in inner Sydney suburbs prior to a series of playground upgrades and installations. From a review of historical information and soil sampling, iEnvi identified that the soil at the parks was potentially exposed to contaminants within the last 50 years.
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iEnvi was engaged by a childcare centre development company to undertake soil sampling at a residential site prior to the construction of a new childcare centre in Morningside, Queensland. Development approval had already been received for the construction of the childcare centre, however, the company were seeking to confirm the soil on site was not
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From February to May 2019, iEnvi was engaged by an inner western Sydney Council in a resource recovery program to reuse road asphalt as engineering fill for the planned development of new sports fields and courts at a reserve. In New South Wales, resource recovery orders and resource recovery exemptions allow some wastes to
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