Title of article: Waste from destruction at sea of Syrian chemical weapons has been disposed of

… Of the 1,328 metric tons of chemical weapons and precursor chemicals Damascus declared, only 16 metric tons of hydrogen fluoride remain to be destroyed at a plant in Port Arthur, Texas…

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Note: The New York Times also ran this in a June 17, 2015, article, by Rick Gladstone, titled: Claims of Syrian Chlorine Bombs Counter News of Progress on Chemical Arms

Last paragraph: “Of the entire 1,300-ton Syrian stockpile, the [Organization for the Prohibition of Chemical Weapons] said, 16 tons of hydrogen fluoride remain to be destroyed at a facility in Port Arthur, Tex.”