Is this setup good for my toad?

I plan on temporarily keeping an american toad for a few days to study it, then releasing it. I can get a ten gallon tank, and I will put in 3-4 inches of dirt. There will be artificial plants, a rock, and a water dish big enough for it to sit and bathe in. It will eat crickets while I have it. Is this okay? Also, what kind of soil should I use? Since it came from the wild, is pesticide-free regular soil okay? Probably not...
 
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