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Pollution

Proposed EPA ozone rules would cost TEP, other utilities

Proposed EPA ozone rules would cost TEP, other utilities

But other pollutant controls may keep most of Arizona in compliance.

December 06, 2014 7:00 pmLoading…
Closure of Redington Pass shooting sites is extended

Closure of Redington Pass shooting sites is extended

The closure was extended until next Sept. 30 or until rescinded.

October 04, 2014 4:15 pmLoading…
Lead cleanup to close Redington shooting spots another year

Lead cleanup to close Redington shooting spots another year

Coronado National Forest will start work next month to clean up at least 300 tons of lead-contaminated soil from three recreational target-shooting sites in Redington Pass northeast of Tucson.

September 27, 2013 12:00 amLoading…

Tucson air quality at unhealthful levels due to wind

Pima County’s air quality has reached unhealthful levels, thanks to high winds and blowing dust.

May 03, 2013 1:32 pmLoading…

Mining concern to pay $60K fine for Marana spill

An Asarco mining operation has agreed to pay a $60,000 fine and take preventive steps valued at $50,000 to resolve water-quality violations caused by a June 2010 pipeline spill at the Silver Bell Copper Mine near Marana, state regulators said Tuesday.

January 30, 2013 12:00 amLoading…

US tightens air-quality rule for soot emissions

WASHINGTON - In its first major regulation since the election, the Obama administration on Friday imposed a new air quality standard that reduces by 20 percent the maximum amount of soot released into the air from smokestacks, diesel trucks and other sources of pollution.

December 15, 2012 12:00 amLoading…

Autism linked to early exposure to traffic pollution

LOS ANGELES — In a finding that points to a link between environmental toxins and autism, a new study shows that children who were exposed to the highest levels of traffic-related air pollution during gestation and in early infancy were three times more likely to be diagnosed with the neurod…

November 28, 2012 9:04 pmLoading…

DEQ sues over Nogales sewer discharges

PHOENIX - State officials want to force a federal agency to stop dumping sewage loaded with heavy metals into the Santa Cruz River.

September 05, 2012 12:00 amLoading…
State, utilities fight EPA plan to reduce power-plant haze

State, utilities fight EPA plan to reduce power-plant haze

Arizona Public Service said it may be forced to close down one of the units at its Cholla power plant near Holbrook if the EPA rules go into effect.

July 31, 2012 12:00 amLoading…
Arizona, utilities fight EPA plan to reduce power-plant haze

Arizona, utilities fight EPA plan to reduce power-plant haze

PHOENIX - State officials and utilities are trying to kill a plan by the U.S. Environmental Protection Agency to force owners of three coal-fired power plants to install expensive pollution-control equipment to improve visibility.

July 31, 2012 12:00 amLoading…

Air quality advisory issued for Tucson

Another air quality advisory was issued today by the Pima County Department of Environmental Quality because of the elevated levels of smoke and ground-level ozone.

June 01, 2012 5:19 pmLoading…

AZ Senate OKs bill to let firms do own enviro audits secretly

The state Senate easily approved a bill Tuesday that would allow companies to keep secret environmental audits they conduct of their operations.

April 04, 2012 12:00 amLoading…

GOP hopefuls at CD8 forum share their inner animal

The opening question at Thursday's Congressional District 8 GOP debate was a hard-hitter: If you were born an animal, what would you be?

March 18, 2012 12:00 amLoading…

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