Actual Video of UN Weapons Inspectors Examining Syrian Chemical Weapon Rockets
The real question is whether the U.S. will wait for the results of the tests, which could take weeks.
As can be seen below, the rockets used in the attacks are certainly non-standard, and much less sophisticated even then a Scud missile.
Here are UN weapons inspectors examining rockets which allegedly delivered chemical weapons in Syria:
And here are additional videos of the UN inspectors investigating the attacks: