Italian Navy scuba divers return after working on the grounded cruise ship Costa Concordia off the Tuscan island of Giglio, Italy, Monday, Jan. 23, 2012. Italian officials were clearing hurdles Monday to begin pumping some half a million gallons of fuel from the capsized Costa Concordia that threaten an environmental catastrophe, as divers continued the search for 19 people known missing. (AP Photo/Pier Paolo Cito)
Italian Navy scuba divers return after working on the grounded cruise ship Costa Concordia off the Tuscan island of Giglio, Italy, Monday, Jan. 23, 2012. Italian officials were clearing hurdles Monday to begin pumping some half a million gallons of fuel from the capsized Costa Concordia that threaten an environmental catastrophe, as divers continued the search for 19 people known missing. (AP Photo/Pier Paolo Cito)
Oil recovery technicians work in the harbor of the Tuscan island of Giglio, Italy, where the cruise ship Costa Concordia run aground, Monday, Jan. 23, 2012. Italian officials were clearing hurdles Monday to begin pumping some half a million gallons of fuel from the capsized Costa Concordia that threaten an environmental catastrophe, as divers continued the search for 19 people known missing. (AP Photo/Pier Paolo Cito)
US John Heil, son of Barbara and Gerald Heil, both missing in the grounding of the cruise ship Costa Concordia stands in the harbor of the Tuscan island of Giglio, Italy, Monday, Jan. 23, 2012. Italian officials were clearing hurdles Monday to begin pumping some half a million gallons of fuel from the capsized Costa Concordia that threaten an environmental catastrophe, as divers continued the search for 19 people known missing. (AP Photo/Pier Paolo Cito)
The cruise ship Costa Concordia lies on its side off the Tuscan island of Giglio, Italy, Sunday, Jan. 22, 2012. Rescuers on Sunday resumed searching the above-water section of the capsized Costa Concordia cruise liner, but choppy seas kept divers from exploring the submerged part, where officials have said there could be bodies. Civil protection officials said that until the waves slack off, divers would not swim into the submerged part of the vessel just off the port of Giglio, a tiny Island off the Tuscan coast. (AP Photo/Pier Paolo Cito)
The cruise ship Costa Concordia lies on its side off the Tuscan island of Giglio, Italy, Sunday, Jan. 22, 2012. Rescuers on Sunday resumed searching the above-water section of the capsized Costa Concordia cruise liner, but choppy seas kept divers from exploring the submerged part, where officials have said there could be bodies. Civil protection officials said that until the waves slack off, divers would not swim into the submerged part of the vessel just off the port of Giglio, a tiny Island off the Tuscan coast. (AP Photo/Pier Paolo Cito)
ROME (AP) ? Salvage experts can begin pumping fuel from a capsized cruise ship as early as Tuesday to avert a possible environmental catastrophe and the ship is stable enough that search efforts for the missing can continue, Italian officials said.
The decision to carry out both operations in tandem was made after instrument readings determined that the Costa Concordia was not at risk of sliding into deeper waters, Franco Gabrielli, chief of the national civil protection agency, told reporters Monday on the island of Giglio.
"The ship is stable. ... There is no problem or danger that it is about to drop onto much lower seabed," Gabrielli said.
The Concordia rammed a reef Jan. 13 on the tiny Tuscan island and capsized a few hours later just outside Giglio's port as it carried 4,200 passengers and crew on a Mediterranean cruise.
Taking advantage of calm seas, divers on Monday found the bodies of two women near the ship's Internet cafe, raising to 15 the number of confirmed dead.
There are 17 people still unaccounted for, but Gabrielli has said an unregistered Hungarian woman might have been aboard ship. The woman's relatives have told Italian authorities they haven't heard from her since she called them to say she was aboard the ship.
The ship's Italian captain, Francesco Schettino is under house arrest near Naples as prosecutor's investigate him for suspected manslaughter, causing a shipwreck and abandoning his vessel while some passengers and crew were still aboard. He has insisted that he was coordinating rescue operations from a lifeboat and then from shore.
Costa Crociere SpA has distanced itself from the captain, contending that he made an unauthorized deviation from the programmed route. Schettino has reportedly told investigators that Costa officials had requested that he sail close to Giglio in a publicity move.
Schettino's lawyer, Bruno Leporatti, told reporters Monday that tests on urine and hair samples found that his client had not been under the influence of alcohol or drugs before the crash. Prosecutors could not confirm the report, since they cannot speak about the investigation while it is still under way.
Despite earlier fears, officials said the crippled cruise ship, with a 70-meter (230-foot) long gash in its hull, is not expected to roll off its rocky seabed perch and be completely swallowed by the sea.
An Italian geologist, on Giglio to monitor the Concordia, told Sky TG24 Monday the ship was barely moving.
"It is moving at the rate of about one or two millimeters an hour," said Nicola Casagli, adding the ship has moved up to 3mm an hour when tides come in or out. "The ship responds to the tides."
The sea has been calm for several days but he said waves were expected to grow larger in the next few days.
In all, seven bodies await identification, but Gabrielli said officials have DNA from the relatives of all of the missing passengers and are working to confirm names and nationalities. He said the search would continue "as long as it is possible to inspect whatever can be inspected."
Meanwhile, Italian Admiral Ilarione dell'Anna said the fuel removal could begin as early as Tuesday, addressing growing concern among residents and environmentalists that the heavy, tar-like fuel could leak from the ship's 17 double-bottomed tanks.
"They should start the oil drainage operations on the ship. At this point those who died will not come back to life. Even if they pull them out later, unfortunately it won't make a difference," Andrea Ginanneschi, a resident of Giglio, told The Associated Press.
Dell'Anna predicted it would take 28 days to remove all of the fuel, without any interruptions. Officials said the first tank to be emptied will be one above the waterline.
Eight kilometers (five miles) of oil barriers, including absorbent ones, have been laid in the area to protect marine life and the coast in the pristine waters off Giglio, which are prime fishing grounds and a protected area for dolphins and whales.
Recovery experts from the Dutch salvage company Smit have previously said they will create holes in the top and the bottom of each tank, heating the fuel so it flows more easily and pumping from the top while forcing air in from the bottom. For the underwater tanks, sea water will be used to displace the fuel, which becomes thick and gooey when cooled.
Already, some diesel and lubricants have leaked into the water near the ship, probably from machinery on board. Officials have characterized the contamination as superficial.
"Smit has been ready for a week to begin pumping fuel from the tanks, awaiting only the go- ahead," said a company statement. "For this purpose, SMIT has mobilized an oil tanker with emergency response equipment including sweeping arms, booms and a skimmer."
It said the vessel arrived on Monday.
The company also said Italian authorities have indicated it can begin the removal once a second absorbent boom is in place around the ship. The booms are used "to reduce the possibility of polluting shorelines and to help make recovery easier."
Besides 2,200 metric tons of heavier fuel, there also are 185 metric tons of diesel and lubricants on board in addition to chemicals including cleaning products and chlorine.
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Barry reported from Milan. Andrea Foa reported from Giglio.
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