Skip to content
iEnvironmental Australia
  • Home
  • About iEnvi
  • Capabilities
    • Contaminated Land
    • Site Investigations
    • Remediation
    • Groundwater & Hydrogeology
    • Ecology & Approvals
    • Environmental Management
    • Asbestos in Soil
    • Expert Services
  • Projects
  • Locations
    • Brisbane, QLD
    • Sydney, NSW
    • Melbourne, VIC
    • Adelaide, SA
    • Gold Coast, QLD
  • Insights
  • Machete
  • AiEnvi
    • Enviro Quiz
    • Writing Money
    • Contour Tool
    • AI Games
  • Contact

Technical Articles

UPSS Validation Requirements in NSW and Queensland

June 16, 2026 by Michael Nicholls

What UPSS validation and tank pit validation involve for service station and petroleum sites in NSW and QLD, and common mistakes to avoid.

Categories Guides, Technical Articles

PSI vs DSI: When Do You Need Each?

June 16, 2026 by Michael Nicholls

A practical guide to preliminary and detailed site investigations in Australia: when a PSI is enough, when a DSI is required, and how to scope the work.

Categories Guides, Technical Articles

A Beginner’s Guide to Site Investigation

March 8, 2026January 29, 2026 by Michael Nicholls
Construction Site

What is Site Investigation? Site investigation is the process of gathering information about the physical characteristics of a construction site to ensure its suitability for a…

Categories Technical Articles

Where Does All the Soil Go?

March 8, 2026May 27, 2021 by Michael Nicholls
Rail Station Excavation

You see lots of building developments going up, and large construction sites.

Categories Technical Articles Tags beneficial reuse, construction, property development, waste management

Asbestos In Stockpiles of Soil

March 8, 2026June 4, 2020 by Michael Nicholls

When is a Soil Stockpile ‘Waste’, and Can a Hotspot of Asbestos or ACM in a Stockpile be Removed and the Soil be reclassified?

Categories Technical Articles

Blanks for the field and lab, what are they?

March 8, 2026June 1, 2020 by Michael Nicholls
blank environmental samples

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;…

Categories Technical Articles

Changes to AS1940: The storage and handling of flammable and combustible liquids

March 8, 2026August 30, 2019 by Michael Nicholls
manufacturing environmental site investigation

As contaminated land consultants, a large part of what we do involves the investigation and remediation of soil and groundwater that has been exposed to liquids that are…

Categories Technical Articles Tags technical note

Revision to the ANZG 2018 for Fresh and Marine Water Quality

March 8, 2026August 26, 2019 by Michael Nicholls
Guidelines for Water Quality, ANZG 2018

The Australian and New Zealand governments have collectively established and promoted guidelines to manage both countries water quality for over 25 years.

Categories Technical Articles Tags water quality

Soil vapour active sampling

July 2, 2026August 15, 2019 by Michael Nicholls

iEnvi has undertaken soil vapour sampling, using the implementation of the ASC NEPM, to identify potential risks of vapour intrusion regarding human exposure on various sites.

Categories Technical Articles

NSW Contaminated Land Management Act Compliance

March 8, 2026August 8, 2018 by Michael Nicholls

The NSW Environmental Protection Agency (EPA) updated the Contaminated Land Management Compliance Statement in July 2018.

Categories Technical Articles Tags contaminated land, Contaminated Land Management Act, environmental due diligence, NSW EPA
Older posts
Newer posts
← Previous Page1 Page2 Page3 Next →
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.

Explore

  • Capabilities
  • Projects
  • Locations
  • Insights
  • Contact

Core Services

  • Contaminated Land
  • Remediation
  • Groundwater & Hydrogeology
  • Ecology & Approvals
  • Expert Services

Office Coverage

  • Brisbane, QLD
  • Sydney, NSW
  • Melbourne, VIC
  • Adelaide, SA
  • Gold Coast, QLD
© 2026 iEnvironmental Australia Pty Ltd. All rights reserved.