Calling the DPW during the day tomorrow would be your best help (they close at 4:00pm).
I, too, have found quite a bit of archeology when excavating in my former backyard. It's not that anything spectacular went on -- it's just a century's worth of landscaping stones and bricks that had subsided into the dirt over the years and been forgotten about or just filled over.
I recently found myself in an endless loop trying to dispose of an old propane tank that had rusted past the point of being refilled again. The DPW's answer was surprising (any store in MA that sells propane must accept your old tank unconditionally), but nonetheless helpful.
I wouldn't be surprised if they tell you to just dump it with your regular trash as long as it is under a certain limit.
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I, too, have found quite a bit of archeology when excavating in my former backyard. It's not that anything spectacular went on -- it's just a century's worth of landscaping stones and bricks that had subsided into the dirt over the years and been forgotten about or just filled over.
I recently found myself in an endless loop trying to dispose of an old propane tank that had rusted past the point of being refilled again. The DPW's answer was surprising (any store in MA that sells propane must accept your old tank unconditionally), but nonetheless helpful.
I wouldn't be surprised if they tell you to just dump it with your regular trash as long as it is under a certain limit.