#45 The Disclaimer
Disclaimers in our reports. Useless fluff or necessary ass covering? Who better to discuss this than Sarah Mansfield (LinkedIn) who is returning to Below the Surface and almost immediately raises the bar for all future l...
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Below the Surface
Gunnar Haid & James Hammond
#44 The Duplicate Pushback
In Episode #30 The Duplicate, Gunnar famously declared that duplicate soil samples in heterogeneous fill are useless. Risk assessor Belle Casement of Terravale Consulting heard the episode… and decided Gunnar needed corr...
#43 The Negotiator
Hammond relives his time as a representative for Australia in international biodiversity negotiations at COP13 of the Convention on Biological Diversity. But before that a few updates, a hint for auditors and Gunnar almo...
#42 The Basics: Microplastics
Microplastics: The Invisible Problem (or is it?)Brooke Kelly from Reditus joins Gunnar and James to unpack microplastics. From penguin carcasses and seal scat (that's science code for poo) to human exposure, they explore...
#41 The AI Revolution
Artificial intelligence has gone from curiosity to daily tool almost overnight. In this episode, Gunnar and James sit down with AI consultant Alex Rankin who spent over 25 years in senior roles across the Australian Publ...
#40 The Risk Assessment
If you've ever stared at a lab result that exceeds your NEPM HIL and wondered "okay, but what does this actually mean?". This one's for you.Gunnar and James sit down with Dr Kylie Dodd, environmental toxicologist and ris...
#39 The Big ASS Questions
A deeper dive into Acid Sulfate Soils. In a slightly QLD centric episode, Gunnar and James are joined by all three main authors of the QLD ASS Management Guidelines, widely regarded as the best ASS guidelines in the worl...
#38 The Bioavailability
How much of any given contaminant is actually taken up into human bodies?If we think about it, that is one of the single most important things to consider as an environmental consultant when reporting on a site's contami...
#37 The 2025 Reflection
The 2025 Year in Review (That Wasn’t Supposed to Happen)What started as a neat 15-minute intro quietly turned into a full end-of-year wrap-up. Classic Below the Surface. Gunnar and James get side-tracked almost immediate...
#36 The Client - TMA
What it's really like to be regulated?Regulators, take note - this one’s for you.We are shining the light on the third corner of the Regulator – Consultant – Client relationship: the Client. What’s it really like to be o...
#35 The PFAS Heath Advice
The NSW Health PFAS Advice includes quite some statements:“The health effects of PFAS appear to be small.” “… there was definite evidence of increased psychological distress in … exposed communities, evidence for other a...
#34 The Stormwater Stirrer
Gunnar (without James this time) gives it a go to get to the bottom of the very basics of what we need to think of around stormwater on a site. There are few better suited to talk about the subject than our guest Mircea ...
#33 The Waste Class Blues
James K (James Karagiannis) has personally completed a stack of waste classifications. And in addition, he has reviewed somewhere between 1,000 and 1,200 reports written by other consultants for our clients. That gives h...
#32 The EPA CEO
Tony Chappel, the CEO of the NSW EPA, is our guest today, so we are definitely back with a bang after the summer holidays. Gunnar and James are (surprisingly!) well-prepared and keep the conversation on track as they div...
#31 The Half Price EV
Electric Vehicles are basically half price in Australia right now, thanks to some little-known government incentives. Gunnar and James decided it was the perfect time to talk… tax. Yes, tax. And you thought resource reco...
#30 The Duplicate
Gunnar claims almost all duplicates we take serve close to no purpose. If you want to know why, have a listen and be entertained and informed at the same time. The OGs are back together in this episode, and quite an unus...
#29 The New AS5370 Standard
Attention Asbestos in Soils Specialists, there is a new kid in town. The Australian Standard 4964-2004 Method for the qualitative identification of asbestos in bulk samples has been superseded with a new AS 5370. What's ...
#28 The OCSE Odyssey
The Office of Chief Scientist and Engineer (OCSE) has issued recommendations concerning asbestos in waste and soil. Sarah Mansfield, Special Counsel (and environmental law superstar) at Norton Rose Fulbright, breaks down...
#27 The Chronicles of an Auditor
Rod Harwood - do we need to say anything else? There are few who have had more influence on our industry and who have contributed more than Rod. Gunnar had a chat with Rod and while they reminisce about 'the good old day...
#26 The Quickie
Gunnar and James take a dive into all sorts of events that have happened in the past few weeks.1 - The EIANZ announces the punishment of a member. 2 - A $30,000 fine issued by a Council3 - MASSIVE NEWS: The Office of the...