Wasteland Survival Guide (quest)

 is a Fallout 3 quest. It is also an Xbox 360 and PC achievement.

Moira, the owner of the Craterside Supply store in Megaton, wants you to help her research a guide to the wastelands that she is writing.

Test the repellent on Mole Rats
Moira wants you to test her Mole Rat Repellent on some Mole Rats. To complete the objective, test it on 3 Mole Rats, but optionally you can test it on 7 more for more XP.

The next mission is to place an observer unit inside a mirluk nest, you need to go to the war memorial southeast of the super duper mart. Here you have to enter a maintenance tunnel to the tepid sewers where most of the nests are located. You will get the option to place the observer unit inside it.