There are 10 new Trophies in this DLC.

Bronze

Let Lounging Lickers Lie    
Do not wake up Lickers in the Atrium encounter in By the Trail of Our Dead    

Burning Inside    
Kill another player with Crucible in a Foundry Versus Match    

Happy Trails    
Complete By the Trail of Our Dead    

Hot Pants    
Complete I Now Know Why You Cry    

Oh Yeah!!!    
Complete Nothing is as it Seems

Ticket to the Gun Show    
As Tweed, use C4 to open door in Foundry

Leave no Dead Man Behind    
Kill every zombie in the Park before leaving.

Silver

Boom Worse than Bite    
13 Bomb Dogs Detonated

Ladies Night    
Beat an Echo Six Expansion Pack mission with the 3 female characters in your party.    

Who needs guns?    
Complete an Echo Six Expansion mission without killing anything with a gun.

http://www.ps3trophies.org/game/resident-evil-operation-raccoon-city/trophies/