emerging contaminants - ceca · 2016. 1. 14. · emerging contaminants jenny lightfoot silc cgeol....
TRANSCRIPT
![Page 1: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/1.jpg)
Emerging Contaminants
Jenny LightfootSiLC CGeolGeoenvironmental Specialist07880 7871930114 2728247
![Page 2: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/2.jpg)
2
• Types and sources of contaminants• Regulatory drivers • US brownfield experience• UK soil/groundwater context
Emerging Contaminants: Outline
![Page 3: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/3.jpg)
3
• Potentially toxic substances (to aquatic ecology and humans)• Newly developed • Or newly identified in the environment
Emerging Contaminants: Definition
![Page 4: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/4.jpg)
4
- USEPA- USGS- NICOLE- CONCAWE- WHO- DWI- BGS
Emerging Contaminants: Studies and sources
![Page 5: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/5.jpg)
5
Group Contaminant
Industrial chemicals 1,4 dioxane, bisphenol A, phthalates
Pesticides Metaldehyde
Surfactants and flame retardants
PFCs (inc PFOS and PFOA), PBDEs/PBBs
![Page 6: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/6.jpg)
6
Group Contaminant
Pharmaceuticals (medical, veterinary, illegal)
Ibuprofen, diclofenac, cocaine, carbamazepine
Lifestyle Nicotine, caffeine
Personal care UV filters, parabens, DEET, triclosan
![Page 7: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/7.jpg)
7
• Sewage effluent• Sludge application to soil• Industrial wastewater and spills• Pesticide application• Landfill
Groundwater contamination sources
![Page 8: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/8.jpg)
8
• Water Framework Directive (2000/60/EC)• Groundwater Directive (2006/118/EC)
- Hazardous Substances: toxic, persistent and bioaccumulative• Directive on Env Quality Standards (2008/105/EC, amended 2013/39) (aka Priority Substances Directive)
Emerging Contaminants: Env regulation
![Page 9: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/9.jpg)
9
USEPA contaminated federal facilities (FFRRO) • 1,4 dioxane• perchlorate• polybrominated diphenyl ethers and biphenyls (PBDE/PBBs) • 1,2,3-tricloropropane (TCP)• Tungsten• Perfluorinated compounds (PFCs)• Nanomaterials
Emerging contaminants: US brownfield
![Page 10: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/10.jpg)
10
e.g. perfluorooctane sulfonate (PFOS), perfluorooctanaote (PFOA) • Used for repellent and surfactant properties – in firefighting
foams (AFFF), non-stick metal coatings, textiles• Impaired immune, liver and thyroid function• Environmentally persistent• High solubility, not volatile, variable partitioning behaviour• Transformation for precursors• Lab method LC-QQQ
Perfluorinated Compounds (PFCs/PFAS)
![Page 11: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/11.jpg)
11
Nanomaterials
Diverse class of materials with structural components <1um in at least one dimensionNatural, engineered and incidentalNanosilver, metal oxides, nZVI, carbon-based, also particle coatingsUnusual properties – photovoltaics, UV blockers (TiO2, ZnO), drug delivery, biomedical apps, remediationOngoing research into env and health risk
http://www.nanorem.eu/
![Page 12: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/12.jpg)
12
• Fracturing fluid – polyacrylamide • Drilling fluids – permit application• Hazardous subs/non-haz pollutants
Shale gas and onshore hydrocarbons
![Page 13: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/13.jpg)
13
• Site history• Investigation scope• Analytical methods• Future risk drivers
UK brownfield context
![Page 14: Emerging Contaminants - CECA · 2016. 1. 14. · Emerging Contaminants Jenny Lightfoot SiLC CGeol. Geoenvironmental Specialist. 07880 787193. 0114 2728247. jenny.lightfoot@arup.com](https://reader033.vdocuments.us/reader033/viewer/2022060905/60a0a4c5f3dd645dc219ac6c/html5/thumbnails/14.jpg)
14
• Ecotoxicology • Environmental fate and transport • EQS and hazardous substance definition• Analytical methods and LOD
What we find in the environment often depends on what we look for and how hard we look
Emerging Contaminants: Challenges