From 1990 to 2014 this cohort of patients, observed and treated at least during 5 consecutive years, achieved 663 patients (the whole number of investigated clean-workers counted 1750).
Two clean-up workers had cast out booms not far from the sinkhole to contain an area of water shiny with oil.
In the food serving area, plates are collected and cleaned manually by cleaning workers.
"We have to keep Beijing clean," one worker said.
Estimating individual radiation doses among clean-up workers (on-site workers as well as off-site workers) and the general population alike is essential for studies of the long-term health effects following the accident.
One hundred and twenty-four irradiated subjects (24 77 years old at sampling: 83 Chernobyl Nuclear Power Plant clean-up workers, 21 nuclear workers, 20 residents of territories with radioactive contamination) and 208 unirradiated volunteers (19 77 years old at sampling) were enrolled.
Cafeterias were clean, and workers wore protective eyeglasses.
Federal officials said they would set up at the site equipment able to clean 1,500 workers twice a day.
As a result, Colorado now ranks fourth among the 50 states in its number of clean energy workers per capita, and 1,500 clean energy companies call our state home — an 18 percent increase since 2004.
The dumpsters are clean, the workers are all fit and tidy, and everyone shows up on time to do their work with a smile.
Today: rebel groups in Syria, hydro electricity in Pakistan, Nazi stolen art and Fukushima clean up workers protest.
