gov/news/pressrel/press-releases/fbi-response-to-reports-of-suspicious-letters-received-at-mail-facilities) statement that a "letter containing a granular substance
that preliminarily tested positive for ricin was received at an offsite mail screening facility.
The suspicious letter to Obama contained "a granular substance
that preliminarily tested positive for ricin," an FBI statement said.
Unstuck is a granular substance
that helps tires regain traction in snow and ice.
Calcium bentonites are non-swelling and break down to a granular substance
that is used as an absorbent clay.
Yesterday a spokeswoman for North Wales Fire and Rescue Service said it appeared a granular substance
such as coffee or sugar was left on a lit hot plate on the cooker and caught fire.
However, Fuller ultimately lost his appeal, Forward Pass was officially awarded the race, and Harthill, the attending veterinary surgeon, was fined $500 for ``improper conduct'' after testifying that he spread a white granular substance
in Dancer's Image's feed - an act that has never been fully explained.
A preliminary test last week indicated that the granular substance
wasn't anthrax, and cultures by the same public health lab in Portland confirmed over the weekend that no anthrax was present.
The anonymous letter, with no return address, contained a threat and a brown granular substance
Vermiculite is a natural granular substance
mined for horticultural products and insulation.
FBI special agents arrested Paul Kevin Curtis, the individual believed to be responsible for the mailings of the three letters sent through the US Postal Service which contained a granular substance
that preliminarily tested positive for ricin.
His product, a granular substance
that uses a mono-calcium-phosphate base, counters the natural formation of ammonia, which occurs when animal wastes are exposed to oxygen, by chemically binding hydrogen and nitrogen.
Each package contained two condoms with a granular substance
in one and what appeared to be a flammable liquid in the other.