The EA yesterday published RPS C8 to allow social distancing to be adopted at the point of transferring waste under a transfer or consignment note; this includes the allowance that you do not have to sign and hand over the paperwork.
The RPS can be found on gov.uk here: https://www.gov.uk/government/publications/social-distancing-when-signing-and-handing-over-waste-transfer-and-consignment-notes-in-person-rps-c8/social-distancing-when-signing-and-handing-over-waste-transfer-and-consignment-notes-in-person-rps-c8