https://www.orionsignals.com/faqs/ma...y-faqs/57.html
.... a great excuse to have a Saturday night flare party complete with a local craft beer, big music 'In a gadda da vida', and wild women! ...
Maybe ask your transfer station if they will take them if you cut it up with a table saw, totally slice it and dice it, and then soak the cut up remnants in water for 24-hours, and then beat on it with a big hammer ... or have it gift wrapped and give to brother-in-law for Christmas gift. ...