Michael Nicholls

UPSS and Detailed Site Investigation for a Rural Service Station in Far North Queensland

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iEnvi completed an Underground Petroleum Storage System (UPSS) integrity check and Detailed Site Investigation (DSI) at a service station with an attached dwelling in Far North Queensland. Soil sampling adjacent to former tanks, fuel lines and bowsers found evidence consistent with a fuel-line leak; iEnvi provided a staged investigation and cost estimate to support purchase negotiations and subsequent remediation works.

Law firm engagement for Preliminary and Detailed Site Investigation of Former Service Station, Inner Sydney NSW

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UPSS contamination site investigation

iEnvi completed a confidential PSI and UPSS investigation at a commercial inner-Sydney property to define hydrocarbon impacts to soil, groundwater and soil vapour, and to quantify the likely remediation and compliance implications if the site is converted to residential use.

Preliminary Site Investigation of a mechanic workshop for finance approval, Wynnum QLD

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iEnvi carried out a preliminary site investigation at a mechanic workshop in Wynnum, QLD to support finance approval. Potential contamination sources were inspected and targeted soil sampling returned no detections of contaminants of concern, enabling the lender to approve the purchase. Practical ongoing management steps were provided to the client to minimise future contamination risk.

Innovative and cost-effective soil investigation, Sydney NSW

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park recreation site investigation

iEnvi completed preliminary soil investigations at multiple inner‑Sydney parks in early 2019. Hydrocarbons were detected in shallow soil at two parks, and targeted leachate testing demonstrated the hydrocarbons were immobile, allowing playground upgrades to proceed without further remediation or environmental management plans.

Cost‑Efficient Remediation for Hydrocarbon Contamination — Newcastle & Wollongong, NSW

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Contaminated Sites Evaluation

Targeted soil sampling at three sites identified shallow hydrocarbon contamination at two locations. iEnvi recommended a cost‑efficient program combining a biological treatment additive (S200 OilGone) with excavation and encapsulation to reduce health, ecological and transaction risk.

Soil Investigation and Potential Soil Reuse — Morningside, QLD

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soil reuse environmental consulting

Shallow soil testing at a residential site in Morningside prior to construction of a childcare centre found concentrations below regulatory assessment criteria for human health and ecological receptors. Soil was considered low risk and no further action was required. Reuse options may now be considered prior to offsite removal.

Housing Development Application, Sydney NSW

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housing development application

iEnvi completed a preliminary site investigation (PSI) and soil sampling for a Sydney property intended for residential redevelopment. A 253‑page technical report and site history review concluded the site is suitable for residential use and suitable to support a development application.

Nepali Place of Worship — Preliminary Site Investigation (PSI), North Western Sydney, NSW

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soil sampling environmental consulting

iEnvi completed a 216‑page Preliminary Site Investigation and soil sampling program for a proposed Nepali place of worship in north‑western Sydney. The PSI found no evidence of contamination that would prevent the proposed use, and provides the documentation needed to support a Development Application where land history indicates only agricultural use.

iEnvi

National environmental consultancy with direct senior involvement.

Offices in Brisbane, Sydney and Melbourne, South Australia field support, and practical delivery across contaminated land, remediation, groundwater, ecology, environmental management and expert advisory matters.

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