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.
Tuesday, 27 August 2013. GEOENGINEERING (Chemtrails) FOR DUMMIES. We the people have not been warned, advised or consulted but are certainly vulnerable to the outcomes. Biologic components have been reported in airborne samples that include: modified molds, desiccated red blood cells and exotic strains of bacteria.