This is a short list of the identified useful sources:

60Co, key 3, red box, CD 395, already used

137Cs, key 8, 4753, CS401, activity ???, already used

22Na, key 5, 700, NA401, activity 8.9 kBq/s

152Eu, key 9, 272, EU401, activity 6.6 kBq/s

The activities are according to the Sunflower homepage. It was wrong for the Cs source which is under key 8