Additionally, extended periods of exposure to PFAS or high concentrations of the chemicals is harmful to humans.

Source: https://www.mvtimes.com/2023/01/26/massdep-labels-w-t-fire-station-pfas-source/

Alcohol: High concentrations of alcohol, such as denatured alcohol or ethanol, can be drying and irritating to the skin, stripping away moisture and disrupting the skin’s protective barrier.

Source: https://www.ghanamma.com/2023/07/08/avoid-these-harmful-soap-ingredients/

All modern and certified equipment of this kind has a CO sensor that detects concentrations of CO and shuts down the appliances to prevent poisoning.

Source: https://macaudailytimes.com.mo/ssm-notified-of-co-poisoning-of-tourist-lodged-at-private-apartment.html

Although the problem is well known, the exact concentrations of such particulate matter within and outside of the swine barns at different times is poorly understood.

Source: https://1010wcsi.com/hoosier-ag-today/purdue-receives-500k-grant-to-study-air-quality-issues-in-pork-production/?utm_source=rss&utm_medium=rss&utm_campaign=purdue-receives-500k-grant-to-study-air-quality-issues-in-pork-production

And if this mercury reaches the bay, biomagnification could cause it to build up to high concentrations, making its way up the food chain from algae to the tissue of fish that people catch and eat.

Source: https://www.nationalobserver.com/2023/04/05/news/toxic-threat-lurks-thawing-permafrost

An equally great worry is how such products affect workers in the plants manufacturing them, who may be exposed to heavy ambient PFAS concentrations and may be inhaling them or otherwise ingesting them when they alight on lips, hands, or food.

Source: https://time.com/6254060/pfas-period-chemicals-underwear-tampons/

Animal studies involving the class of chemicals have shown that concentrations in the air reaching into the tens of thousands are fatal.

Source: https://www.dailymail.co.uk/health/article-12801119/Extremely-alarming-study-finds-common-hair-styling-products-release-high-levels-toxic-chemicals-linked-infertility-used-straighteners-curling-irons.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

“Any time it runs off our roads when it rains into creeks and streams it can cause toxicity … at very low concentrations it actually causes coho mortality.”

Source: https://globalnews.ca/news/10173723/tire-chemical-salmon-funidng-research/

At high concentrations, it has the potential to shroud communities in a corrosive haze.

Source: https://phys.org/news/2023-12-california-farms-capture-methane-cow.html

Carbon monoxide (CO) is a tasteless, odorless threat that, even at low concentrations, can cause lasting damage in people who inhale it.

Source: https://www.dailymail.co.uk/health/article-12203395/What-warning-signs-carbon-monoxide-poisoning.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Dr. David Kaiser, deputy medical director of Montreal's public health department, says fireworks shows can lead to high concentrations of air pollutants in nearby areas.

Source: https://www.chroniclejournal.com/news/national/quebec-wildfires-canada-day-fireworks-cancelled-in-montreal-over-smog-concerns/article_03666e75-80ed-54d5-89cf-c0b7a4b990d8.html

Endeavour owns open pit mines with high gold concentrations.

Source: https://seekingalpha.com/article/4631451-endeavour-mining-bet-on-west-african-gold-mining-despite-the-political-risk?source=feed_all_articles

Gagnier proudly notes that all four theatre degree concentrations are represented in the company, including non-majors, and were drawn from freshman, sophomore, junior, and senior class members.

Source: https://www.hcpress.com/announcements/celebrate-shakespeares-birthday-with-as-you-like-it-theatre-dance-production-runs-april-26-30-at-appalachian.html

If you put sweat-soaked clothing on top of areas that are prone to yeast infections, like the groin and under the breasts, those parts of the body will have greater concentrations of yeast.

Source: https://www.dailymail.co.uk/health/article-12268123/Style-experts-reveal-gym-clothes-wear-TWICE-washing.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Izbicki said he’s sampled wells with concentrations as high as 1,500 parts per billion, and some colleagues have even seen numbers as high as 10,000 in the Central Valley.

Source: https://www.latimes.com/environment/story/2023-09-27/californias-struggle-for-clean-water-is-getting-harder

Last year, the Environmental Protection Agency issued updated health advisories after new science suggested that certain PFAS posed adverse health effects even with near-zero concentrations.

Source: https://www.latimes.com/california/story/2023-07-14/nearly-half-of-u-s-drinking-water-could-have-pfas-chemicals

LENVIMA concentrations may increase in patients with DTC, RCC, or EC and severe (CLcr 15-29 mL/min) renal impairment.

Source: https://investingnews.com/preclinical-data-shows-arg-007-inhibits-one-of-the-main-causes-of-alzheimers-disease/

Many of these investments could be paid for by wealth taxes aimed at reducing dynastic concentrations of wealth and power, among other efforts to get the very wealthy to pay their fair share in our unequal country.

Source: https://www.dailycamera.com/2023/08/26/guest-opinion-dedrick-asante-muhammad-and-chuck-collins-we-still-have-a-dream/

Map of the study area with selenium concentrations at sample locations.

Source: https://www.e-know.ca/regions/elk-valley/heavy-metal-contamination-originating-from-mining-dust/

Most supplements have varying concentrations of stimulants, and it’s wise to avoid any other supplements that also contain the common fat burner ingredients.

Source: https://www.healthcanal.com/nutrition/weight-management/best-fat-burner-supplements