Medical experts advise the public on the importance of wearing sunglasses to protect the eyes from UV; for adequate protection, experts recommend sunglasses that reflect or filter out 99-100% of UVA and UVB light, with wavelengths up to 400 nm.
In 2008, a KSLA news investigation found that a substance that fell to earth from a high altitude chemtrail contained high levels of Barium (6.8 ppm) and Lead (8.2 ppm) as well as trace amounts of other chemicals including arsenic, chromium, cadmium, selenium and silver.
â Page Bottom. 1  imageevent.com/firesat/sâ¦. This stuff has been getting a lot of buzz lately... 2  scary. i'm worried about the spraying this summer too. Report as inappropriate. 3  This Yelper's account has been closed.  Yeah, there was a lot of this going on today... I was really disappointed to see the sky criss-crossed with chemtrails.