Footnotes [Lutz 129(3)]

a Sandblasted PMMA plates, EuroPlast
b Helioplate SB6 PMMA plates, HelioScreen
c Altisurf 500, Altimet
d Mountain AltiMap Premium, Digital Surf
e, h HD-Thermaster and Helioplate HD0 PMMA plates, HelioScreen
f, g Labsphere UV-2000S and UV Transmittance Analyzer Performance Validation Standards, Labsphere Inc.