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Toxic Waste

All articles tagged with #toxic waste

Alkaline Leaks From Decades-Old Barrels Persist Off California Coast
science7 days ago

Alkaline Leaks From Decades-Old Barrels Persist Off California Coast

Decades-old barrels dumped off Southern California continue leaking caustic, alkaline waste into the San Pedro Basin, creating white halos on the seafloor and pushing local pH to about 12, which alters sediments and microbial life for centuries. A deep-sea survey mapped roughly 58 square miles with about 74,000 debris targets, including ~27,000 barrels; tests show DDT is not the current primary source. Contents remain uncertain, but the ongoing alkaline leaks could persist for thousands of years via mineral crusts like brucite. Cleanup would require robotic operations at depths around 3,000 feet, and EPA surveys are ongoing to inventory sites.

via Indian Defence Review|
#alkaline-leaks#barrels#deep-sea
Decades-old toxic waste leaks reshape the deep-sea floor
environment11 days ago

Decades-old toxic waste leaks reshape the deep-sea floor

Decades after the U.S. dumped thousands of barrels of toxic waste into the Pacific, new findings show leaks are still altering the San Pedro Basin’s deep-sea sediment chemistry and microbial life. A 58-square-mile survey identified around 74,000 debris targets, including ~27,000 barrels, with halos of hardened minerals indicating alkaline leakage. The resulting high pH and altered microbial communities could affect deep-sea ecosystems for thousands of years, complicating cleanup and policy decisions; the study appears in PNAS Nexus.

via Earth.com|
#ddt#deep-sea-ecology#environment
"Tesla Faces Fines, Safety Probe, and Major Recall in Challenging Week"
automotive-environment-business2 years ago

"Tesla Faces Fines, Safety Probe, and Major Recall in Challenging Week"

Tesla faces a tumultuous week as it grapples with a voided CEO pay package, a lawsuit over toxic waste disposal, and a massive recall affecting over 2.2 million vehicles. Additionally, the National Highway Traffic Safety Administration is investigating 2,388 complaints of steering failure in the Model 3 and Model Y, with potential loss of steering control leading to crashes. The company has also been fined for violating the Clean Air Act and sued for improper hazardous waste disposal, ultimately settling for $1.3 million in civil penalties.

via Ars Technica|
#automotive-environment-business#nhtsa#recall
EPA Implements Stricter Regulations for Coal Ash Landfills and Power Plants.
environment2 years ago

EPA Implements Stricter Regulations for Coal Ash Landfills and Power Plants.

The Biden administration has proposed expanding the number of coal waste dumps that would be subject to environmental oversight, a decade after a string of toxic disasters from such landfills flooded valleys and polluted rivers in southern states. The Environmental Protection Agency now wants to end exemptions that left about a quarter of the roughly 1,000 coal ash dumps nationwide exempt from federal regulation. Coal ash contains toxic substances such as mercury, cadmium, chromium and arsenic, and its pollution often hurts poor and minority communities near dump sites that the EPA says is already “overburdened by pollution.”

via The Washington Post|
#biden-administration#coal-ash#environment
DDT Contamination Widespread in California Seafloor
environment2 years ago

DDT Contamination Widespread in California Seafloor

High concentrations of DDT, a toxic pesticide, have been found on the seafloor off the coast of California, covering an area larger than San Francisco. The chemical waste was dumped by industrial companies for decades, and has been linked to cancer and disease in humans and the mass die-off of animals. The most concentrated layer of DDT is roughly 6cm deep in the sediment, and could be reintroduced to the surface by trawls or cable lays. Congress has allotted millions of dollars toward researching the issue and cleaning up the pollution.

via The Guardian US|
#california#ddt#environment