The social networking giant is investigating the matter in co-ordination with local authorities.
After assessing all of the circumstances, the United States Postal Service and Federal Bureau of Investigations (FBI) were requested because the suspected package had been mailed via the US Postal System.
Sarin, which is colourless, odourless, and tasteless, was reportedly detected by mail scanning machines in the facility.
"Authorities have confirmed test results were negative for any potentially risky substance and the buildings have been cleared for repopulation. Our rigorous security and safety procedures worked as meant to limit exposure and keep our people safe".
The FBI says in a statement Tuesday the agency and its law enforcement partners "thoroughly tested the items in question and determined them to be non-hazardous".
According to SFGate, at least two people at the mailing facility might have been exposed to the substance.
AFP speaks on three arrested in alleged Sydney terror plot
Police announced that they will address the media with more information about the counter-terror operation later on Tuesday. The man has been under surveillance for the past 12 months since returning to Australia from Lebanon previous year .
Al Horford Agrees To Four-Year, $97M Deal With 76ers
The Heat finished the 2018-19 season with a 39-43 record, missing the playoffs for the third time in five years. The Sixers certainly hope so, and they paid a high price to keep one of their core pieces intact.
Initial reports that two people were exposed and needed medical attention were false.
A false alarm at Facebook's offices prompted the evacuation of four buildings over the potential presence of deadly poison sarin.
With all that in mind, a hazmat team entered the building around 6 p.m and tested the package.
For the time being, the specialists are still testing the package but the alleged attack has increased the concerns of tech companies over security. A year ago three people were shot after a deranged vegan bodybuilder tried to take revenge for being deplatformed but, to date, no-one has tried a chemical attack. In that case, the shooter appeared to have been angry at how YouTube had handled her channels and videos. The package set off sarin alarms in equipment created to screen all incoming deliveries for toxins.
Fire officials in Menlo Park, California, which is part of Silicon Valley, said the staff was evacuated and the bag was quarantined.
The company has pledged to deliver 360,000 to 400,000 vehicles in 2019, a goal many analysts predict will be hard to meet. The consensus estimate was said to be closer to 84,000 electric vehicle deliveries in the second quarter.
Jurgen Klopp's side was trailing 3-0 from Nou Camp, but braces from Georginio Wijnaldum and Divock Origi ensured the victory. Guardiola in a recent interview with Marc's revealed he will return to Barcelona at some point of his life to live.
But as someone who's always interested in whatever Luhrmann's up to, I'm intrigued by the notion of him taking on The King. Baz Luhrmann's upcoming Elvis Presley biopic is now testing some big name actors to play the singer in the movie.
Early into the game, Christen Press - who started instead of Megan Rapinoe - scored the usa team's first goal. Bird won three WNBA titles (2004, 2010, 2018) and four Olympic gold medals (2004, 2008, 2012, 2016).
These series may soon migrate to Disney+, CBS All Access , and WarnerMedia and NBC Universal's streaming services. She will also star in and executive produce Harley Quinn , an animated adult-comedy for DC Universe.
The 26-year-old was acquired in a trade with the Buffalo Sabres in February, recording five assists with Winnipeg. The Winnipeg Jets have lost two players from last season as the National Hockey League free agent market opens.
In Tokyo, Japanese media reported Shinzo Abe saying he supported what he called the "process" between the USA and North Korea. He urged Moon to set a clear goal of the complete denuclearization of the North and closely cooperate with the United States.
It sees the entire city as its capital while the Palestinians see the eastern sector as the capital of their future state. Palestinians accuse Israel and the foundation of seeking to push them out of Jerusalem.
Most cases were reported in the months of July and August, and 2016 was a peak year for outbreaks with more than 80. A small but mighty percentage of cases were also linked to drinking raw (unpasteurized) milk or apple cider.
Kaepernick past year became the face of Nike's advertisement marking the 30th anniversary of the company's "Just Do It " slogan. Fox News host Laura Ingraham also criticized the decision, writing on Twitter , "No more @ nike sneakers for our family".
Nigel Farage tweeted an image of his party's protest, saying: "The Brexit Party has already made its presence felt". Barry Andrews and Deirdre Clune will only take their seats if and when the United Kingdom leaves the EU.
14 sailors killed in Russian submersible fire
In 2011, one of Russia's biggest nuclear submarines caught fire while undergoing repairs in dock in the northern Murmansk region. The submarine was operating in Russian waters and is now heading to the Severomorsk naval base, Russian media reports.
Federer reaches Wimbledon second round
However, the 37-year-old professed herself to be content with her performance as she has been struggling with a knee injury. The 30-year-old has not played a match on the main tour all year and needed to qualify to make the main draw at Wimbledon .
Naeher stops late penalty; USWNT advances to World Cup Final
Spectators in France and around the world may have had their doubts when they saw US head coach Jill Ellis's starting lineup. Press delivered first, scoring on a header off a long cross from Kelley O'Hara that sailed over Telford's outstretched arm.