Detailed Site Investigations

Intrusive site investigation

Detailed site investigations for higher-consequence contamination decisions.

Where a site requires intrusive investigation, targeted laboratory analysis and defensible interpretation, iEnvi delivers detailed site investigations that help clients move from uncertainty to an evidence-based position.

Field sampling for detailed site investigation
Targeted intrusive investigation and interpretation for higher-consequence site issues.
Typical matters

Typical matters

  • Sites where a PSI indicates contamination is possible or likely.
  • Auditor, lender, regulator or transaction requirements for more defensible evidence.
  • Projects that need delineation before remediation, design or land use decisions progress.
Scope of advice

Scope of advice

  • Sampling design, intrusive investigation and laboratory testing.
  • Conceptual site model refinement, risk interpretation and contaminant delineation.
  • Reporting that supports remediation scoping, approvals, auditors and other stakeholders.
How we work

How we work

  • Scope shaped around the actual decision, not simply maximum sampling.
  • Clear interpretation of what the data does and does not establish.
  • Strong contaminated land, remediation and project-facing judgement.
Related projects

Selected project summaries.

These published project summaries provide practical examples of adjacent site issues and service delivery.

Project summary

Preliminary Site Investigations for Potential Acquisition, VIC and WA

Two coatings manufacturing sites in Victoria and Western Australia were assessed by iEnvi through preliminary site investigations (PSI) to identify contamination risks, regulatory implications…

Project summary

Metropolitan Bus Depots – Environmental Compliance and Investigations

Practical environmental investigations and compliance audits across four Melbourne bus depots established a defensible baseline, identified localised hydrocarbon impacts near refuelling areas, confirmed no…

Project summary

Ensuring Safe School Development: Soil and Asbestos Investigations in Wollert

iEnvi conducted a Preliminary Site Investigation and soil testing across two lots (≈9.9 ha) in Wollert, Victoria. Eleven surface samples and stockpile checks found…

Related pages

Further reading and related service pages.

Need advice on this issue?

Contact iEnvi on 13000 43 684 or email info@ienvi.com.au to discuss the site, timing and available information.