Hmmm good question. I'm afraid I don't have an answer as I didn't know there were EFLHR temp contracts as well. I would have asked.
WWLGW crew now have amoungst other options the choice of chosing to transfer to WWLHR or EFLHR. Also all secondees and recent new joiners to WWLGW will be sent back to EFLHR without choice as per their agreements.
WWLHR temps are a stop gap until their spaces are filled by WWLGW crew, I would guess EFLHR temps are the same.
Therefore I would guess they would be offered the same deal.
If I hear I will let you know.