What are the laws in the Northeast regarding fireworks?
I am hessitant to have the Federal Gov't nullify any regional law, but especially one where the body is unaware of its contents. 
The Blue Law Repeal Act of 2012 allowed the use of fireworks.
It was signed by Governor AndrewCT back then
Here's the text
The Anti-Prohibition & Blue Law Repeal Act
A BILL to repeal and prohibit Northeastern laws that are found to be religiously motivated or otherwise unnecessary
1.) All existing laws which prohibit the consumption or sale of beer, wine, and spirits at neighborhood grocery and package stores on any day of the week are hereby repealed.
2.) All existing laws which prohibit gambling on any day of the week are hereby repealed.
3.) Town records may hereby be kept where liquor is sold.
4.) It is hereby legal to dispose of used razor blades.
5.) All legal firearms may be discharged in public highways, provided that they do not result in the harm of innocent citizens.
6.) Brothels are hereby legal in the Northeast.
7.) The sale of fireworks is hereby permitted to all Northeast residents above the age of seventeen.
8.) Hunting licenses and fishing licenses are no longer necessary to hunt or fish on one's own private property.
9.) On no day of any week are hunting or fishing prohibited activities.
10.) Players of professional sports shall not have to obtain a license to play on Sundays.
11.) "R"-rated movies are hereby allowed to be shown in drive-in theaters.
12.) The Northeast government may not prohibit activities on a given day of the week for religious reasons.
