NSW Duty to Report Contamination under the Contaminated Land Management Act 1997
The NSW EPA released new Guidelines on the Duty to Report Contamination in July 2015, replacing the 2009 version.
Michael Nicholls
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.
Sediment and Soil Remediation — Southern China
Overview of a multi‑site sediment and soil remediation programme in Southern China (from 2012). Remediation combined delineation, in‑the‑dry excavation, solidification/stabilisation and beneficial reuse of treated material as engineered fill.
Asbestos and Waste Tyre Advice — NSW Government Drainage Dam Project
Practical environmental and regulatory advice provided during a NSW Government drainage dam construction project where impacted fill, asbestos and waste tyres were exposed on Crown Land. Advice focused on safe legal waste management, maintaining construction progress and proposing a long‑term Environmental Management Plan.
Preliminary Site Investigation for Acquisition
Urgent PSI (Phase 1) for an oil depot in Bowen, QLD: fieldwork started within three days to assess above‑ground tanks and diesel‑impacted soil, clarify leasing liabilities and support contract negotiation after an oil company acquisition.
Simple UPSS Petroleum Contamination Groundwater Remediation Solution for Council Depot, Central‑Northern NSW
Practical, cost‑conscious remediation and long‑term management of petroleum contamination at Council depots using a monitored natural attenuation (MNA)‑led strategy supported by targeted product removal, hydrogeological testing and fate‑and‑transport modelling.
Agricultural Soil Remediation — Pilot Treatment for Mercury, Arsenic and Cadmium Impact
Pilot-scale agricultural soil remediation in Gansu/Baiyin addressing Hg, As and Cd in root-zone soils. Combined excavation, mobile Matrix Enhanced Treatment System (METS) soil washing and targeted soil amendments to restore agricultural use and manage human health risk.