Muon radiative energy loss (in 1.0E06 cm^2/g) in Air (dry, 1 atm) with Z/A = 0.49919 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.2898 0.1282 0.4628 0.8808 5. 0.3927 0.3151 0.4901 1.1979 10. 0.4774 0.4735 0.4758 1.4267 20. 0.5663 0.6460 0.4544 1.6668 50. 0.6867 0.8890 0.4310 2.0067 100. 0.7759 1.0607 0.4196 2.2562 200. 0.8610 1.2189 0.4139 2.4938 500. 0.9610 1.3803 0.4130 2.7543 1000. 1.0248 1.4787 0.4199 2.9234 2000. 1.0776 1.5476 0.4311 3.0563 5000. 1.1299 1.6082 0.4519 3.1901 10000. 1.1574 1.6369 0.4730 3.2674 20000. 1.1767 1.6550 0.4977 3.3295 50000. 1.1931 1.6694 0.5365 3.3990 100000. 1.2009 1.6752 0.5697 3.4459