Scotland A will play England A and Canada in the pool stages of the tournament which culminates at the Commonwealth Stadium in Edmonton for the finals.
Bates said: "I've been impressed with the attitude of the players during this three-day training camp. They are all very much looking forward to touring and have been very positive and optimistic about our pool games.
"We don't have a lot of preparation time but the guys are upbeat and positive which has helped our progress."
Scotland A squad
Backs: Simon Danielli (Border Reivers), Nick De Luca (Edinburgh Gunners)*, Matt Dey (Edinburgh Gunners), Phil Godman (Edinburgh Gunners), Colin Gregor (Glasgow Warriors)*, Rory Lamont (Glasgow Warriors), Rory Lawson (Edinburgh Gunners) CAPTAIN, Brendan McKerchar (Border Reivers), Calum MacRae (Border Reivers)*, Moffat">Stuart Moffat (Border Reivers), Graeme Morrison (Glasgow Warriors), Nikki Walker (Border Reivers)
Forwards: Ross Beattie (Northampton Saints), David Callam (Edinburgh Gunners)*, Alasdair Dickinson (Edinburgh Gunners)*, Jon Dunbar (Leeds Tykes), Scott Gray (Border Reivers), Andrew Hall (Newport-Gwent Dragons), Craig Hamilton (Glasgow Warriors), Allan Jacobsen (Edinburgh Gunners), Andrew Kelly (Edinburgh Gunners)*, Nick Lloyd (Saracens), Andy Miller (Border Reivers), Colin Noon (Biarritz), Mark Rennie (Lyon), Alasdair Strokosch (Edinburgh Gunners)*, Fergus Thomson (Glasgow Warriors)*, Andrew Wilson (Glasgow Warriors)*
Head coach – Steve Bates; Coach – Shade Munro
* = Member of Scottish Institute of Sport
Not considered due to injury: Graeme Beveridge (Glasgow Warriors), Simon Cross (Edinburgh Gunners), Chris Cusiter and Ross Ford (both Border Reivers), Robbie Kydd (Northampton Saints), Euan Murray (Glasgow Warriors) and Simon Taylor (Edinburgh Gunners)