Those decals on the green chemical tank actually do say 'Biohazard', 'Radiation', etc. I weathered them a little. They were painful to apply. Very much so. I appreciate Armorcast having such fine decals, as I also loathe them for having such fine decals that I must apply.
I hate decals. They don't care much for me, either. At least the # of them that crumpled into soggy balls before I could apply them would lead me to believe this.