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#PFAS concentrations exceeded their planetary boundary. Why? 💧Concentrations in rain exceed toxic thresholds 💧No dilution to #PFAS pollution 💧Global water sources & soil are essentially irreversibly contaminated because of rain 💧 Emissions still occur #restrictPFAS👇

Have your read our review on the implications of tire-wear for air pollution? It's open access, so there's no excuse doi.org/10.1016/j.apr.…

New paper! We provide a global dataset for the state of organic tire-derived contamination in urban centres by analyzing archived samples from the Global Atmospheric Passive Sampling (GAPS) Network. Check out the (open access) work here: doi.org/10.1016/j.envp…

Using TelosAir Corp aerosol small sensors to confirm that GAPS Network #PUFdisk passive air samplers capture #PM effectively even on calm days. Answer is yes!

Hope you can join us at SETAC Dublin and consider submitting an abstract to our session 3.24 on POPs and Emerging Pollutants - deadline is Nov. 30! setac.confex.com/setac/europe20…

**Reminder - SETAC Dublin 2023 abstract deadline is next week! Have a look at session 3.24 #POPs and Emerging Pollutants @SETAC_world SETAC_ChemIG setac.confex.com/setac/europe20…

Excited to be part of this new project exploring the chemical mixture in air, including GAPS Network sampling stations.

Excited to share our new publication on the global atmospheric levels and trends of PFAS and Siloxanes from a single sampling network GAPS Network ECCC SciTech Environment Canada doi.org/10.1016/j.envp…

Checking on the #pufdisk passive air samplers after last night's snow - "they take a licking but keep on ticking". 😃 GAPS Network #ATOUSAstudy

Today’s office view Whistler Blackcomb @eccc_news’s alpine research station changing GAPS Network filters.

The ALARM project aims to maps global exposure to airborne mobile organic contaminants by deploying silicone foam passive air samplers worldwide. According to Jon Martin, the early warning system will "empower sustainable chemical policy" Full story 👇 bit.ly/3HHpE8q

Great to meet Assistant Deputy Minister Marc D'Iorio this morning with Aman Saini to discuss GAPS Network and our strategies to address #chemicalmixtures in air and other cross-cutting issues such as #health #biodiversity #climate #waste #vulnerablepopulations ECCC SciTech

Jon Martin Adrià Sunyer Caldú The UFOs are up🛸!! A calibration study to assess the comparability of co-deployed three different passive air sampling media and to characterise the new silicone based passive air sampler as a part of ALARM project.

Oxidation of mass-produced #plastic-related antioxidant driving dramatic increase of a novel OPE in Arctic air and is distributed globally. See our latest paper: authors.elsevier.com/c/1hekg9C~Iu09… cell.com/one-earth/full… #NCP GAPS Network ECCC SciTech Tom Harner Aman Saini John Liggio

Our new paper using open-source land-use data to quantify and rank the remoteness of air monitoring sites from human infrastructure, applied to GAPS Network sites. Can link results from independent studies and for other chemical classes ECCC SciTech doi.org/10.1021/acsome…

New! Our first global-scale measurements of trace metals in air using #PUFdisk passive air samplers (#PUFPAS) under the GAPS Network. More to come!

Congrats! Egide KALISA for leading our proof-of-concept paper on tracking #eDNA (#bioaerosols, #bacteria, #fungi, #aerobiome) in air using GAPS Network type #PUFdisk passive air samplers. pubs.acs.org/doi/10.1021/ac…

Polyurethane Foam Disk Passive Samplers: A simple and cost-effective approach to characterize long-term #bioaerosol diversity and compositional trends. Tom Harner Environment Canada Read the cover story in ACS ES&T Air: go.acs.org/9lp

Happy to see our paper on future and cross-directions of the GAPS Network on the front cover of @ESAdvances ECCC SciTech UN Environment Programme . Take a look! pubs.rsc.org/en/content/art…

In this ACS ES&T Air study, Trent University Environment Canada stresses how atmospheric chemical aging modifies the oxidative burden of urban #AirPollutants, resulting in a seasonal cycle with a potential effect on #PopulationHealth. Tom Harner #OpenAccess: go.acs.org/aIo