New York Laws
Article 16 - Explosives
453 - Storage.

ยง 453. Storage. No person shall store explosives except in a magazine
constructed, located and certified in accordance with the provisions of
this article and the regulations promulgated pursuant to this article.
The magazine certificate shall be attached to the magazine on the inside
of each such magazine. No person shall store more than three hundred
thousand pounds of explosives in any one magazine at any time.
Explosives not stored in compliance with this section shall be deemed to
present a danger to the public, including but not limited to, emergency
responders and other persons lawfully frequenting the area and as such,
are subject to seizure and destruction pursuant to subdivision five of
section four hundred sixty of this article.

This section shall not apply to explosives while being legally blasted
or while legally in the custody of a common carrier awaiting shipment or
delivery to a consignee during the time permitted by federal law; nor to
the storage of such limited amount of sporting or smokeless powders as
may be permitted by the regulations promulgated pursuant to this
article.