If you accepted the Voucher Env. Health may well not want to be involved.
Silverfish are one of our oldest critters, unchanged from 1000s of years back. Apparently they like warm damp places and eat paper, dust, books ...... we had them when we lived in a very old Mansion which was rarely warm
. They hated the light and would dash under the skirting boards ..........
Most food stuffs are packed in huge plastic covers on - what do fork lift trucks move around
- oh, pallets. We buy in bulk and the amount of 'stuff' there always amazes me. The turn around is fast so I doubt if there will be an infestation in the warehouse itself. However
....... add the recent hot weather into the mix ........