Dangerous Metals Found in Latest Duke Energy Coal Ash Spill
The record-breaking flood of the Neuse River inundated three inactive coal ash ponds for five days last week from the Duke Energy H.F. Lee facility, 10 miles upstream of Goldsboro, North Carolina. The flooded ponds are unlined and uncovered, containing more than 1 million tons of coal ash spread over more than 170 acres in a layer 4 to 10 feet deep.
On Oct. 14 at 4:28 p.m., before the flood waters had completely receded from the flooded ash ponds, Duke Energy reported a spill of an undetermined amount of coal ash into the Neuse River to the U.S. Coast Guard's National Response Center. On Oct. 15, Duke Energy and the North Carolina Department of Environmental Quality personnel inspected the inactive ash ponds by foot, claiming they "determined that the amount of material that was displaced would not even fill the bed of an average pickup truck."
On Oct. 17, the flood waters had receded enough to allow the Waterkeeper Alliance rapid response team to launch a boat in the Neuse River to inspect for coal ash releases. Later that afternoon, the Upper Neuse Riverkeeper discovered a second coal ash spill coming from the inactive ash ponds at HF Lee. The coating of ash on tree branches high above the receding flood waters proved the spill had been ongoing for almost a week.
Duke Energy and DEQ claim their representatives identified the second spill on Oct. 17 as well, independent of Waterkeeper Alliance's public disclosure of the spill on Oct. 18. The Waterkeeper Alliance rapid response team questions the claim that both DEQ inspectors and Duke Energy staff traveled to the location of the second spill by boat on Oct. 17 and identified the white substance floating on the water and coating the trees.
To the contrary, Duke Energy reportedly told WNCN on the evening of Oct. 18 that it had not yet conducted water sampling from a boat because state regulators had not deemed it safe to boat on the flooded river. This directly contradicts subsequent claims by Duke and DEQ that they had observed the spill by boat on Oct. 17.
"The agency that should be a watchdog protecting the public is acting more like a PR firm trying to protect Duke Energy's reputation," Waterkeeper Alliance attorney Pete Harrison said. "This is the same agency that only a year ago stood up in court and tried to block an agreement between Waterkeeper and Duke that requires Duke to remove all the coal ash from the ash ponds that flooded."
Since we exposed the second spill on the afternoon of Oct. 18, Duke Energy has continued to insist that the spilled material is "not coal ash," falsely claiming that cenospheres are distinct from fly ash, the primary constituent of coal ash.
However, scientists at Appalachian State University used a scanning electron microscope (SEM) to visualize samples of the spilled coal ash cenospheres, and tested the particles for contaminants using Energy-dispersive X-ray spectroscopy (EDX).
The EDX analysis detected dangerous heavy metals attached to the fly ash cenospheres, including antimony and cobalt.
Scanning electron microscope (SEM) image of coal ash cenosphere found in Neuse River on Oct. 17.Dr. Guichuan Hou, PhD, Director of Dewel Microscopy Facility, Research Associate Professor of Biology, Appalachian State University
Energy-dispersive X-ray spectroscopy (EDX) graph of chemicals in or on a coal ash cenosphere that was found in the Neuse River on Oct. 17. The analysis detected antimony, cobalt, and thallium, which can be toxic to people and aquatic life.Dr. Guichuan Hou, PhD, Director of Dewel Microscopy Facility, Research Associate Professor of Biology, Appalachian State University
Duke Energy has previously reported elevated levels of both these contaminants in groundwater monitoring wells located around the inactive ash ponds where the coal ash spill occurred. Throughout the week, Duke Energy attempted to characterize cenospheres as "not coal ash" and "inert" and "not inherently toxic." These talking points carefully avoid acknowledging what the EDX analysis confirms: the spilled coal ash cenospheres, though composed largely out of silica and aluminum, have more dangerous contaminants attached to them.
Harrison called the mischaracterization "a shameful attempt by Duke Energy to trick the public and cover up a large coal ash spill that the company failed to identify and/or failed to report."
Duke Energy even acknowledges on its website that "cenospheres are a form of fly ash." Duke's failure to report the spill may have even been a violation of the company's probation sentence, which it received last year after pleading guilty to federal crimes involving its mismanagement of coal ash at the H.F. Lee facility, among others.
Because Duke Energy did report a spill of coal ash on Oct. 14 (the purported pickup truck load), and the company has emphatically denied that the material discovered by the Upper Neuse Riverkeeper is coal ash, it is clear that material discovered in the river on Oct. 17 was a separate and distinct spill from the one Duke Energy reported on Oct. 14. Based on currently available information, Duke Energy has still not reported the second spill to then National Response Center.
On Oct. 19, the day after our organizations exposed the second coal ash spill, the DEQ claimed its "staff determined on Monday that material found at the H.F. Lee facility in Wayne County is not coal ash," and accused Waterkeeper Alliance of "falsely reporting" the coal ash release. Both Duke and DEQ claimed, without analyzing the spilled material, that it was harmless cenospheres comprised of just aluminum and silica.
"After adopting Duke Energy's indefensible position that the material was not coal ash and requiring no further action from Duke on Wednesday, DEQ has now done an about face, admitting last night that cenospheres are fly ash and ordering Duke to investigate the spills further," Matthew Starr, Sound Rivers' Upper Neuse Riverkeeper, said.
"The DEQ bureaucrats must have woken up yesterday with the embarrassing realization that the state Coal Ash Management Act they're in charge of implementing defines cenospheres as coal ash," Donna Lisenby of Waterkeeper Alliance said.
"Now DEQ seems to be changing its tune and agreeing with what we've been saying all along: Duke Energy is responsible for another coal ash spill into the Neuse River. Unfortunately this one looks like a lot more than a pickup-truck's worth of ash was spilled."
Duke Energy Cooling Pond Dam Collapses in Wake of Hurricane Matthew Flooding https://t.co/nmRCcB8Ftb @Coal_Ash @maryannehitt— EcoWatch (@EcoWatch)1476409517.0
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Watchdog Accuses Trump's NOAA of 'Choosing Extinction' for Right Whales by Hiding Scientific Evidence
By Julia Conley
As the North Atlantic right whale was placed on the International Union for Conservation of Nature's list of critically endangered species Thursday, environmental protection groups accusing the U.S. government of bowing to fishing and fossil fuel industry pressure to downplay the threat and failing to enact common-sense restrictions to protect the animals.
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By Beth Ann Mayer
Since even moderate-intensity workouts offer a slew of benefits, walking is a good choice for people looking to stay healthy.
How to Rock Your Walk<p>Walking isn't just fun and healthy. It's accessible.</p><p>"Walking is cheap," says Dr. John Paul H. Rue, a sports medicine doctor at <a href="https://mdmercy.com/" target="_blank">Mercy Medical Center in Baltimore</a>. "You can do it anywhere at any time; [it] requires little to no special equipment and has many of the same cardio benefits as running or other more intense workouts."</p><p>Want to up your walking game? Try the tips below.</p>
Use Hand Weights<p>Cardio and strength training can go hand-in-hand when you add weights to your walk.</p><p>A <a href="https://journals.lww.com/acsm-msse/Fulltext/2019/03000/Associations_of_Resistance_Exercise_with.14.aspx" target="_blank">2019 study</a> found that weight training is good for your heart, and <a href="https://www.mayoclinicproceedings.org/article/S0025-6196(17)30167-2/abstract" target="_blank">research</a> shows it reduces the risk of developing a <a href="https://www.healthline.com/health/nutrition-metabolism-disorders" target="_blank">metabolic disorder</a> by 17 percent. People with metabolic disorders have a higher chance of being diagnosed with high cholesterol, high blood pressure, and diabetes.</p><p>Rue suggests not carrying weights for your entire walk.</p><p>"Hand weights can give you an added level of energy burning, but you have to be careful with these because carrying [them] over a long period of time or while walking could actually lead to some overuse injuries," he says.</p>
Make It a Circuit<p>As another option, consider doing a circuit. First, put a pair of dumbbells on your lawn or somewhere in your home. Walk around the block once, then stop and do some bicep curls and tricep lifts before walking around the block again.</p><p>Rue recommends <a href="https://www.healthline.com/health/exercise-fitness/running-with-weights" target="_blank">avoiding ankle weights</a> during cardio workouts, as they force you to use your quadriceps rather than hamstrings. They can also cause muscle imbalance, according to the <a href="https://www.health.harvard.edu/staying-healthy/wearable-weights-how-they-can-help-or-hurt" target="_blank">Harvard Health Letter</a>.</p>
Find a Fitness Trail<p>Strength training isn't limited to weights. You can get stronger by <a href="https://www.healthline.com/health/bodyweight-workout" target="_blank">simply using your body</a>.</p><p>Often found at parks, fitness trails are obstacle courses with equipment for pullups, pushups, rowing, and stretches to build upper and lower body strength.</p><p>Try searching "fitness trails near me" online, checking out your local parks and recreation website, or calling the municipal office to <a href="https://calisthenics-parks.com/" target="_blank">find one</a>.</p>
Recruit a Friend<p>People who workout together stay healthy together.</p><p><a href="https://bmcgeriatr.biomedcentral.com/articles/10.1186/s12877-017-0584-3" target="_blank">One study</a> showed that older adults who exercised with a group improved or maintained their functional health and enjoyed their lives more.</p><p>Enlist the help of a walking buddy with a regimen you aspire to have. If you don't know anyone in your area, apps like <a href="https://www.strava.com/" target="_blank">Strava</a> have social networking features so you can get support from fellow exercisers.</p>
Try Meditation<p>According to the <a href="https://www.nccih.nih.gov/research/statistics/nhis/2017" target="_blank">2017 National Health Interview Survey</a>, published by the National Institutes of Health, meditation is on the rise, and for good reason.</p><p>Researchers <a href="https://pubmed.ncbi.nlm.nih.gov/29616846/" target="_blank">found</a> that mind-body relaxation practices can regulate inflammation, <a href="https://www.healthline.com/health/biological-rhythms" target="_blank">circadian rhythms</a>, and <a href="https://www.healthline.com/health/glucose" target="_blank">glucose</a> metabolism, as well as lower <a href="https://www.healthline.com/health/high-blood-pressure-hypertension" target="_blank">blood pressure</a>.</p><p>"Any form of exercise can be turned into a meditation of some type, either by the surroundings you are walking in, like a park or trail, or by blocking out the outside world with music on your headphones," Rue says.</p><p>You can also play a podcast or download an app like <a href="https://www.headspace.com/headspace-meditation-app" target="_blank">Headspace</a> that has a library of guided meditations to practice while you walk.</p>
Do Fartlek Walks<p>Typically used in running, fartlek intervals alternate periods of increased and decreased speed. These are <a href="https://www.healthline.com/nutrition/benefits-of-hiit" target="_blank">high-intensity interval training (HIIT)</a> workouts, which allow exercisers to accomplish more in less time.</p><p><a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0154075" target="_blank">One study</a> showed that 10-minute interval training improved <a href="https://www.healthline.com/health/metabolic-syndrome" target="_blank">cardiometabolic</a> health, or lowered the risk of heart disease, stroke, and diabetes, just as well as working out at a continuous pace for 50 minutes.</p><p><a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0111489" target="_blank">Research</a> also shows that HIIT workouts increase muscle <a href="https://www.healthline.com/health/fast-twitch-muscles" target="_blank">oxidative</a> capacity, or the ability to use oxygen. To do a fartlek walk, try walking at an increased pace for 3 minutes, slow down for 2 minutes, and repeat.</p>
Gradually Increase Pace<p>A faster walking pace is associated with a lower risk of <a href="https://www.healthline.com/health/copd" target="_blank">chronic obstructive pulmonary disease (COPD)</a> and respiratory diseases, according to a <a href="https://pubmed.ncbi.nlm.nih.gov/30303933/" target="_blank">2019 study</a>.</p><p>Still, it's best not to go from a stroll to an Olympic-worthy power walk in a day. Instead, increase your pace gradually to prevent injury.</p><p>"Start by walking at a brisk pace for about 10 minutes per day, 3 to 5 days per week," Rue says. "Once you've done this for a few weeks, increase your time by 5 to 10 minutes per day until you get to 30 minutes."</p>
Add Stairs<p>You've likely heard that taking the stairs instead of an elevator is a way to add more movement into your daily routine. It's also a way to step up your walking. Stair climbing has been shown to <a href="https://www.sciencedirect.com/science/article/pii/S2211335519301123?via%3Dihub" target="_blank">decrease the risk of mortality</a> and can easily add a bit more challenge to your walk.</p><p>If you don't have stairs in your home, you can often find them outside a local municipal building, train station, or at a high school stadium.</p>
Is Your Walk a True Cardio Workout?<p>Not all walks are equal. A walk that's too leisurely may not provide enough burn to qualify as cardio. To see if you're getting a good workout, try to <a href="https://www.healthline.com/health/how-to-check-heart-rate" target="_blank">measure your heart rate</a> using a monitor.</p><p>"A target goal for a good walking workout heart rate is about 50 to 70 percent of your maximum heart rate," Rue says, adding that maximum heart rate is <a href="https://www.healthline.com/health/fitness-exercise/fat-burning-heart-rate" target="_blank">typically calculated</a> by 220 beats per minute minus your age.</p><p>You can also monitor how easily you can carry on a conversation while you walk to gauge your heart rate.</p><p>"If you can walk and carry on a normal conversation, that's probably a lower intensity walk," says Rue. "If you are slightly breathless but can still have a conversation, that's probably a moderate workout. If you are out of breath and can't talk normally, that's a vigorous workout."</p>
Takeaway<p>By shaking up your routine, you can add excitement to your workout and reap even more rewards than a basic walk provides. Increasing the pace and intensity of a workout will make it more effective.</p><p>Simply pick your favorite variation to add some spice to your next walk.</p>
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