The A1 and A2 value tables are readily available on the internet at the NRC web site which has the full Title 10 of the Code of Federal Regulations; and specifically Part 71 of Title 10.

Note: each of the above links will open a new browser window.

A1 A2 tables:   http://www.nrc.gov/NRC/CFR/TABLES/ISOTOPES/PART071/index.html

NRC web site:   http://www.nrc.gov/index.html

Title 10:   http://www.nrc.gov/NRC/CFR/index.html

10 CFR 71:   http://www.nrc.gov/NRC/CFR/PART071/index.html