they say 56 year-old adrienne martin was mixing in transferring three gases. methane, nitrogen and helium into a cylinder when the explosion occurred. the blast killed a veteran research engineer and injured a female employee inside of a lab at membrane technology and research. the company president says the injured employees is now recovering at home. the menlo park fire chief says over pressurization of those three gases could have triggered an explosion. that is one of the possibilities there are looking into. the president of a membrane technology and research wrote in a statement that adrienne martin was a skilled researches. he moved to the united states from his native country of romania. >> in menlo park city inspectors red tag to the building on saturday saying that it is unsafe to go and at this point. the fire to says it before the explosion they were unaware of any safety problems at this research company. this company passed an annual safety inspection about six months ago. >> it was a pretty nice day after the fall of today. sunny this afternoon

investigators are trying to find out what triggered the explosion at this resurges company 56 year-old adrienne martin gases into a cylinder when the explosion happened a killed that engineer and injured another female employee bu. the over pressurization of those gases could have caused a the explosion but president of membrane technology is said adrian martin was a skilled engineer and had written with the company for five years he lived in san jose with his wife and daughter they move from their home country of romania so it is their daughter could get a better education. before they explosion they are unaware of any safety problems this company passed as safety inspection six months ago. still >> become an assault morning in a quiet part of north bay >> we will be right back >> >> >> unless i hear screen you have liked follow and on the right is a picture of downtown centers his goal and downtown is still looking overcast >> we are taking a live look at the golden gate bridge you can see the fog is starting to lift you can see more of the bridge where waking up to morning fog and patchy drizzle mo

adrienne martin died in the explosion. his widow has been quoted as saying unsay surroundings. i asked the security if they know when osha is coming but we do not know at this point. fire officials have to rebuild a laboratory inside because it was so badly damaged by the left. they think perhaps the chemicals inside, a methane the cylinder is split apart perhaps. they are expected to go through case files in painstaking detail to find out. black had a routine inspection a queue weeks ago. fire officials were already out here until early saturday, they will have to continue their vacation >> the time is a 2:00 pm. we're back with more in a couple of minutes. did not go away. >> the dow was down over 3 appoint this morning. now back over the 11,000 mark. this following friday there was a to the 53. with continuing reports about the whole global economy.2 >> the postal service is in a financial crisis. they're going to capitol hill and pacing a second straight year of losses of at least be a billion dollars or more. now the agency is asking congress for an immediate action beginn