same kind of thing happened to me last week

i took in a nice load of brass- lots of old/broken taps and cracked nuts n rings from plumbing fittings

the yard says this is the last time they will accept taps from me cos they are not allowed to buy them anymore- due to too much of theft
the druggies & other idiots rip off taps in the area & come sell it to the yard

i told them im a plumber- showed my business card etc
they still insisted- no more taps



so, im going to speak to management at the office next time.
hopefully they will allow me to bring in brass taps.