Page 4 - Chemical Testing News Today : Breaking News, Live Updates & Top Stories | Vimarsana

So many networks all in one place. get live tv whenever you want. the xfinity tv go app. now with live tv on the go. enjoy over wifi or on verizon wireless 4g lte. plus enjoy special savings when you purchase any new verizon wireless smartphone or tablet from comcast. visit comcast.com/wireless to learn more. nbc news also confirmed that a letter sent to the white house has tested positive for cyanide. we don't have a lot of details yet, but this letter was received at the mail screening facility yesterday. the letter initially tested negative when it was first screened but subsequent chemical...

All of the fish are treated as evidence. this is part of the process that's used for any of the oil spill data collected. >> reporter: from there the fish are taken to the lab to be processed into samples. shrimp are peeled, fish are filleted. information on the fish were caught is carefully logged. the samples will be sent to seattle for chemical testing. this facility focuses on sensory or smell tests. sniffing for oil in fish is a lot like trying a fine wine. >> let the head space build up and raise it up. and fan it through. take a little slight sniff. put it down again. then let it regist...

And back into the water. >> let's talk about the safety of the seafood, jim. nearly 5 billion barrels of oil have gone into the gulf of mexico. that oil's got to go somewhere. there are concerns it's making its way up the food chain. what are the feds and the state doing to assure that the seafood is safe? >> reporter: well, there's testing that's going on right now. the fda, you know, we've heard about these tests that go on. you know, dockside, in some cases where fda officials will be doing smell tests of the seafood and saying, okay, it doesn't smell like we have oil in the seafood. what's...

Mississippi. apparently there is chemical testing as well but there is no machine better suited for this task of detecting minute amounts of oil in seafood and shell fish than the trained human palate. please tell me more. joining us now is the executive director for the international food protection training institution. thank you very much for your time. >> thank you, rachel. >> so to be clear you're not just finding people who have supernatural smelling and tasting abilities and putting them on the case. you're training regular folks to be able to detect contamination, is that right? >> tha...

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