Blanks are artificial samples (made up of ultra-pure MilliQ water) used to trace sources of contamination which may be introduced to samples: During handling and transportation; During sampling in the field (from contaminated equipment); and During laboratory preparation and analysis. Based on the potential contamination sources listed above, there are various blanks used to identify
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The Little Bushy Warren waste collection site is used for the gathering of green garden waste for Hampshire. The green waste is composted in windrows, and turned into soil and lawn conditioners, woodchip mulch or pine bark. Two lagoons collect rainwater runoff from a four hectare hard-standing area for the compost windrows. Veolia asked for
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A reed bed was designed and installed for the treatment of kitchen waste water and grease coupled with hydrocarbon contaminants from petrol filling area runoff in Raunds, United Kingdom. The wastewater treatment system is still in use, and its performance is conforming to all guidelines and limits set. Reed bed systems represent excellent innovation for
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iEnvi was engaged by a local restaurant owner to manage the decommissioning and abandonment of three underground storage tanks (USTs) at a restaurant in Hervey Bay, QLD. The site is currently on the QLD Environmental Management Register (EMR) for historical use of the site as a commercial service station. The client wished to have the
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iEnvi were engaged by an engineering firm on behalf of a regional council to undertake a Construction Environmental Management Plan (CEMP) and components of an Environmental Impact Statement (EIS) for the construction of a sports complex. The CEMP was required for development approval of the site. The construction processes included clearing of existing vegetation, major
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Envi was engaged by a construction company to review and update the erosion sediment control plan (ESCP) as part of the construction environmental management plan (CEMP) for a State Significant development site in the Mornington Peninsula, Victoria. The update was necessary to address inadequate erosion sediment controls of the original ESCP identified at the site.
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The client produces 95,000 tonnes of malt per annum for the food and drinks industry at this site in Yorkshire. The process involves soaking grain until it starts to germinate before drying it in kilns. The water remaining from the soaking process is known as ‘steep water’ and is high in BOD and COD. The
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If you have land space and water treatment issues, then you should consider using a reed bed system instead of high cost, energy consuming water treatment systems. WHAT IS A REED BED? A reed bed is: an engineered constructed wetland designed to simulate a natural for wastewater treatment. a biological system in which complex chemical
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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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