We have not modeled the specific provisions in S. 556, but useful information is provided by comparing the analyses EPA and EIA conducted to respond to a request from Senators Smith, Voinovich and Brownback with the analyses responding to a request from Senators Jeffords and Lieberman.
You can get useful information by comparing the analyses EPA and EIA conducted.
The principal exhibition area, the planetarium and aquarium, and the submarine Argonaute are covered by the entry fee (or Museum Pass), but all other activities even the creative play areas for young children cost extra (see page 75).