Contaminated Waste Soil Management — Sydney Sports Ground

iEnvi managed PCB‑ and asbestos‑contaminated fill excavated for light footings at a Sydney western suburbs sportsfield, achieving regulatory approvals for interstate disposal and reducing council disposal costs by using targeted asbestos clearance, testing and specialist PCB destruction options.

Preliminary Site Investigation for Child Care Centre — Sydney Northern Beaches

Desktop (Phase 1) preliminary site investigation for a proposed child care centre in Sydney’s Northern Beaches. The desktop study identified low contamination potential from on‑site history but recommended targeted soil sampling and an asbestos hazardous‑materials inspection before council proceeds with a development application.

Townhouse Development Preliminary Site Investigation, Sebastopol (Vic)

Case study: PSI, combined geotechnical and environmental drilling, 30 soil bores to 5 m, 15 primary soil samples. Delivered reporting for planning permit in ~2 weeks; cost reported just over $10,000. Practical takeaways for developers on compliance, demolition hazards and cost efficiencies.

Preliminary Site Investigation (PSI) for a Childcare Development Application — Western Sydney

iEnvi completed a rapid Preliminary Site Investigation (PSI) to support a developer converting a post‑war residence to a childcare facility in Western Sydney. The PSI followed NEPM guidance and NSW child‑care planning requirements, found low contamination risk, and recommended asbestos inspection prior to renovation.

Remediation of Coatings Manufacturer Site, Western Sydney

groundwater remediation

iEnvi provided a site-specific, commercially focused remediation program for a Western Sydney coatings manufacturer, combining UST removal, source-zone treatment and a four-month Multiphase Vapour Extraction campaign to manage solvent impacts and restore asset value.

Mercury Human Health Risk Assessment near Mine Site, Tasmania

iEnvi conducted a targeted soil, sediment and surface water sampling programme near a scheelite mine and municipal water intake in Tasmania to assess potential human health risks from mercury. Results indicated likely minimal risk in sampled areas but limited sampling and incomplete site history mean follow-up actions were recommended.

Hexavalent Chromium Groundwater and Soil Remediation – Steel Processing

Remediation program for Cr6+ impacted soils and fractured-basalt groundwater at a long‑running steel processing facility. Summary of contamination, in‑situ treatment techniques trialled, pilot results and commercial considerations for redevelopment and liability management.