Workers found contaminants in higher quantities as they moved into part of a Western nuclear-waste site vacated in February, the Associated Press reports.
Crews would need to re-enter the subterranean corridors of New Mexico’s Waste Isolation Pilot Plant a fifth time to isolate the source of airborne radioactive materials detected there, according to Thursday remarks by Tammy Reynolds, deputy recovery chief for the U.S. Energy Department. Underground portions of the site have been off-limits to personnel following a contamination incident, which came days after a vehicle caught fire inside the facility.
Reynolds said U.S. personnel hope to obtain further details next week. Crew members had to end their most recent venture into the site after five hours on Wednesday, as temperatures rose inside their protective clothing and power for their breathing apparatus dwindled, AP reported.
The Energy Department official said the entry team investigated both of the facility’s waste rooms that had not previously been permanently closed off. Waste is entombed in five additional storage “panels,” but workers rendered the airtight chambers permanently inaccessible after they reached capacity.
“It doesn’t seem to us that the contamination came from Panel 6, that the source came from Panel 7,” Reynolds said. Panel 6 had been completely filled but not closed off, making the latter chamber the only area receiving waste at the time of the incident.
Personnel might receive help from robotic equipment as they attempt to determine the source of the escaped contaminants, according to AP. Suspected culprits include a waste barrel possibly punctured by moving equipment, or by or a ceiling that may have fallen.
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"Wikileaks published more than 8,000 documents purportedly taken from the Democratic National Committee Friday, just days before the start of the party's convention in Philadelphia. The documents included briefings on off-the-record fundraisers and candid photographs."
Hillary Clinton "is widely expected to announce her choice" of vice president "in an email to supporters while on a campaign swing in Florida on Friday afternoon." The consensus: it'll be Sen. Tim Kaine of Virginia, although Sen. Cory Booker of New Jersey and Agriculture Secretary Tom Vilsack are also said to be in the running.
- A Rasmussen Reports poll shows Donald Trump ahead of Hillary Clinton, 43%-42%, the fourth week in a row he's led the poll (one of the few poll in which he's led consistently of late).
- A Reuters/Ipsos survey shows Clinton leading 40%-36%. In a four-way race, she maintains her four-point lead, 39%-35%, with Gary Johnson and Jill Stein pulling 7% and 3%, respectively.
- And the LA Times/USC daily tracking poll shows a dead heat, with Trump ahead by about half a percentage point.