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The Thai authorities believe that they will have a window of three to four days to release 12 boys stuck in a cave in northern Thailand and will focus on reducing the dangers of the rescue operation until To the rain or the air more and more poisonous The governor of Chiang Rai province, Narongsak Osatanakorn, said Saturday that the operation to drain the water along the 3.2km road to where the boys have been sheltering for the last fifteen days has been "very successful" and has weathered rain patches.
"Today it has rained but the water level is still at a satisfactory level," he said.
But the rains should intensify in the coming days and become torrential by the beginning of next week, giving rescuers only a few days to extract the boys and their coach 25 years before they can to be curled until as late as January 1945. "[The next] three to four days from now is the most favorable time for the mission of operation and rescue using one of the action plans, "Osatanakorn said at a press conference on the cave site. "If we wait too long, we do not know how much rainwater will come."
He said that heavy rains last week had the effect of a "tsunami" in the narrow and jagged network of caves.
Two factors determine when a rescue operation is mounted, the first is the quality of the air inside the boys. & # 39; room. Osatanakorn said Friday that oxygen levels in their part of the cave had dropped to 15% – down 21%.
"If the level of oxygen drops by less than 12%, it will affect the brain and people inside," he said. "They could be shocked." [19659003] An additional danger was the increasing concentration of carbon monoxide in the cave exhaled by the hundreds of rescuers who had been inside.
"No matter how much oxygen we have, we can not survive [too much carbon monoxide] because our blood will be toxic. "
The second constraint is the level of water inside the cave, authorities recognizing for the first time that the ledge where boys are stranded is not In the shelter of the floods.
"After what I heard, water can reach them [there]," said Osatanakorn. "Which could reduce the Space for them to less than ten square meters. "
Rescuers would continue to try to reduce water levels until the expected rain forces them to make a decision to guide the water. boys. "The perfect situation is not at all water, zero, but it's impossible because it happens only in December or January", was
"So we exclude that. The second best is that the water level is low enough to get them out. "
If the risk of air or water increases" to the point that we can not accept, we will make a decision. "
" We run against time and respond to all expectations. "
The boys, whose letters to their parents from inside the cave were published Saturday, were still in good shape.
" Today, children are still in good health, they can talk, joke, have only a few small wounds. They do not have adequate food yet, but it's a special food with extra protein to boost their energy, "said Osatanakorn.
Additional reportage by Veena Thoopkrajae
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