Contaminated Soil Remediation in Australia: Choosing the Right Approach
How to choose a contaminated soil remediation approach in Australia, from excavation to in situ treatment, under the ASC NEPM and state regulators.
Technical Articles
EPA Clean-Up Notices and Orders in Australia: What to Do in Each State
Received an EPA clean-up notice or order? How notices work in NSW, Vic, Qld, WA, SA, Tas, ACT and NT, review deadlines and what to do first.
Asbestos in Soil Assessment in Australia: NEPM Screening Levels, Sampling and Management
How asbestos in soil is assessed in Australia: NEPM screening levels for bonded ACM, FA and AF, the % w/w calculation, sampling methods and management.
Low-Flow Groundwater Sampling: Step-by-Step Field Guide for Australia
A practical Australian field guide to low-flow groundwater sampling: equipment, flow rates, stabilisation criteria, PFAS-safe tubing, holding times and QA that stands up to regulatory audit.
Contaminated Land Investigation for a Queensland Wastewater Treatment Plant Upgrade
What environmental investigations does a Queensland wastewater treatment plant upgrade need? How a contaminated land investigation, HBM survey and PFAS assessment gave one council cost certainty before construction.
Acid Sulfate Soils in Australia: Investigation, ASSMPs and the NSW 2025 Reuse Order
How to investigate and manage acid sulfate soils under national 2018 guidance, Queensland Soil Management Guidelines v5.1 and the NSW 2025 ASS reuse order.
When a PSI is not enough: Detailed Site Investigation in Australia
When a PSI cannot close contamination questions, a DSI is required. NEPM Schedule B2 purpose, SAQP, CSM refinement, media and state practice.
Queensland EMR Removal Guide: CLIDs and Auditors
Overview If land in Queensland is listed on the Environmental Management Register (EMR) or Contaminated Land Register (CLR), removing it is not a simple letter to the department. Under the Environmental Protection Act 1994, removal normally requires a Contaminated Land Investigation Document (CLID) prepared by a suitably qualified person, certified by an approved contaminated land … Read more
PFAS NEMP 3.1: What Changed for Site Investigations in Australia
PFAS NEMP 3.1 (May 2026) updates drinking water PFOS limits, freshwater PFOS ecological DGVs and marine interim values. Soil, recreational water and most investigation logic are unchanged. Here is what practitioners need to re-screen.
Environmental Due Diligence for Property Acquisitions in Australia
How law firms, property managers and acquirers scope environmental due diligence before settlement: desktop review, PSI, vendor report critique and red-flag advice.