Enemies Resistance type to use Damage type to use

Blood Raider EM/Thermal EM
Guristas Kinetic/Thermal Kinetic
Sanshas EM/Thermal EM
Serpentis Thermal/Kinetic Kinetic
Angel. Expl./Kin. (All Resis) Explosive
Mordus Kinetic/Thermal Kinetic
Rogue Drones All Resis (pri. Expl./Kin.) EM
Mercenary All Resis (pri. EM,/Therm.) Thermal
Minmatar All Resis Thermal (sec. Explosive)
Gallente Kinetic/Thermal (sec..EM) Thermal
CONCORD Omni Kinetic/Thermal

http://eve-ru.com/evedb/ore/
Concord response time
0.5 and 0.6: Roughly 25-30 seconds
0.7 and 0.8 Roughly 10 - 20 seconds
MIssion Guides:
eve-survival.org/wikka.php?wakka=MissionReports