April 13th 2021 Virtual Webinar: THIRD HAND SMOKE

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  • FREE Breakfast Webinar
    April 13, 2021
    7:30 am - 8:30 am

April 13th 2021 Virtual Webinar: THIRD HAND SMOKE….A TOXIC LEGACY

Dr. Penelope J.E. (Jenny) Quintana, SDSU Graduate School of Public Health

Thirdhand Smoke: toxic legacy

This talk will cover thirdhand smoke, what it is, how to measure it, and how people are exposed. Thirdhand smoke is the tobacco pollution that persists in the air and on surfaces after smoking has stopped. Secondhand smoke is a combination of the sidestream smoke from the smoldering cigarette, which is generally more toxic.  and the mainstream smoke exhaled by smokers.

Thirdhand smoke refers to the secondhand smoke gases and particles that stick to and become embedded in materials and objects, like carpet, walls, and furniture. Thirdhand smoke can linger indoors for a long time – months to years, even after cleaning. People can be exposed to thirdhand smoke by dermal, inhalation, and ingestion routes.

Thirdhand smoke contains known potent carcinogens such as tobacco-specific nitrosamines and known reproductive toxicants. Several case studies will be given from the workplace as well as home environments, as well as future directions.

WEBINAR link for San Diego Monthly “Breakfast” Meeting on Apr 13, 2021 7:00 AM PDT at:


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Biography: Dr. Penelope J.E. (Jenny) Quintana

Dr. Penelope J.E. (Jenny) Quintana is a Professor in the division of Environmental Health and Associate Director for Student Affairs at the School of Public Health at San Diego State University. She has an MPH in Occupational and Environmental Health from San Diego State University, and a PhD in Environmental Health Sciences from the University of California, Berkeley.

She has a research focus on exposures to children and vulnerable populations at the US-Mexico border. She has assessed children’s exposure to toxicants in house dust and on surfaces, especially residual tobacco toxicants remaining after smoking has taken place, known as thirdhand smoke. She assesses indoor exposures to low-income children, who are vulnerable to environmental hazards.

She supports US-Mexico border community efforts to monitor their air through deployment of low-cost air sensors in the San Ysidro Air Monitoring Network and the Tijuana-based San Ysidro Port-Of-Entry Community Air Study. She is the author of a report drawing attention to the long northbound wait times and lines of idling vehicles at US-Mexico Ports of Entry as an environmental justice issue for border crossers and surrounding communities. She also has measured exposures to traffic pollutants and urinary diesel exposure markers (metabolites of the carcinogen 1-nitropyrene) in pedestrians waiting for hours in line at the San Ysidro Port of Entry.

She has developed measurement techniques for exposure assessment, including surface sampling and silicone wristband samplers. She is a Scientific Guidance Panel member for the California Environmental Contaminant Biomonitoring Program. As a member of the Thirdhand Smoke Research Consortium, she also serves as a lead researcher with the Thirdhand Smoke Resource Center (www.thirdhandsmoke.org).