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ReddX Reddit Reads ReddX Reddit Reads ReddX Retro Radio: Old Time Radio in the Dark Retro Radio: Old Time Radio in the Dark Darren Marlar Real Ghost Stories Online Real Ghost Stories Online Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio The Galactic Window Space Podcast The Galactic Window Space Podcast The Galactic Window Space Podcast iNTO THE FRAY RADIO - Encounters with the Paranormal iNTO THE FRAY RADIO - Encounters with the Paranormal Shannon LeGro My Weird Prompts My Weird Prompts Daniel Rosehill Cose Molto Umane di Gianpiero Kesten Cose Molto Umane di Gianpiero Kesten Gianpiero Kesten - Vois The Power of (STEM)2 The Power of (STEM)2 Dr. Michael Hammond-Todd Vetenskapsradion Vetenskapsradion Sveriges Radio Vedanta Cast Vedanta Cast Jonas Masetti Soif de Sens | Écologie & social Soif de Sens | Écologie & social Pierre Chevelle | Écologie Maintenant Vous Savez Santé Maintenant Vous Savez Santé Bababam London Weather Daily London Weather Daily Fast Foundations Below the Surface Below the Surface Gunnar Haid & James Hammond Recombination Nation Recombination Nation Shane Simonsen Talking Rubbish - Recycled Content Talking Rubbish - Recycled Content James Piper, Robbie Staniforth Ur ❤️ Speaks Ur ❤️ Speaks Kato Caleb The Lost Sci-Fi Podcast - Vintage Sci-Fi Short Stories The Lost Sci-Fi Podcast - Vintage Sci-Fi Short Stories Scott Miller Trashologinnen - Reality-TV psychologisch analysiert Trashologinnen - Reality-TV psychologisch analysiert Dinah & Franzi TED-Ed TED-Ed TED-Ed Exploring Humanity Through Sci-Fi Exploring Humanity Through Sci-Fi Tony Tellado Women and Crime Women and Crime Cloud10 Rossifari Podcast - Zoos, Aquariums, and Animal Conservation Rossifari Podcast - Zoos, Aquariums, and Animal Conservation Rossifari Zero to Finals Medical Revision Podcast Zero to Finals Medical Revision Podcast Thomas Watchman The Pathway To Your Results The Pathway To Your Results Derick Grant Daily Astrocat: Your Playful and Profound Daily Astrology Podcast! Daily Astrocat: Your Playful and Profound Daily Astrology Podcast! Shane Jinson, Original backing tracks by Cabbitha. Gettin' Fishy With It Gettin' Fishy With It Gettin' Fishy With It The Georgia Forestry Forum The Georgia Forestry Forum Georgia Forestry Commission Paranormal UK Radio Network Paranormal UK Radio Network Paranormal UK Radio Network On This Day in Working Class History On This Day in Working Class History Working Class History Cryptids Of The Corn Cryptids Of The Corn Cryptids of the Corn Podcast JP Lovecraft's Creepy Podcast JP Lovecraft's Creepy Podcast JP Lovecraft el charco el charco Podcastidae La Terre au carré La Terre au carré France Inter e-girl hyperborea e-girl hyperborea the master SpaceTime with Stuart Gary SpaceTime with Stuart Gary Stuart Gary
Below the Surface

Science

Below the Surface

Gunnar Haid & James Hammond

#45 The Disclaimer

June 25, 2026 10:00pm 56 min

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...

#44 The Duplicate Pushback

June 04, 2026 10:00pm 1:14

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

May 14, 2026 10:00pm 1:03

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

April 23, 2026 10:00pm 53 min

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

April 01, 2026 9:00pm 58 min

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

March 12, 2026 9:00pm 57 min

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

February 19, 2026 8:00pm 56 min

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

January 29, 2026 8:00pm 42 min

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

December 18, 2025 8:00pm 42 min

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

November 27, 2025 8:00pm 43 min

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

November 06, 2025 8:00pm 55 min

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

October 16, 2025 9:00pm 48 min

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

September 25, 2025 10:00pm 59 min

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

September 04, 2025 10:00pm 52 min

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

June 12, 2025 10:00pm 59 min

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

May 22, 2025 10:00pm 1:19

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

May 01, 2025 10:00pm 35 min

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

April 10, 2025 10:00pm 46 min

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

March 20, 2025 9:00pm 42 min

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

February 27, 2025 8:00pm 32 min

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...

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