LowEmissionAsphalt-136pg-WhitePaper-May2023

P a g e | 117 Retrofit Technology is Low Cost and Covers All Transportation Surfaces: • Application of a maltene rejuvenator enhanced with photocatalytic grade TiO 2 to asphaltic concrete surface courses estimated as low as $15,000 per lane mile (LM) of road. • Application of a maltene-based longitudinal joint stabilizer enhanced with photocatalytic grade TiO 2 to asphaltic concrete surface courses estimated as low as $6,500 per mile of longitudinal joint. • Application of a cationic penetrant fortified with photocatalytic grade TiO 2 to asphaltic concrete or Portland cement concrete (PCC) surface courses estimated as low as $12,500 per LM of road. • Application of a cationic penetrant fortified with photocatalytic grade TiO 2 to most transportation infrastructure PCC peripherals estimated as low as $0.45 per square foot. • Application of a lithium silicate sealer/hardener enhanced with photocatalytic grade TiO 2 to PCC surface courses estimated as low as $25,000 per LM of road. Standard Verification Testing Performed by Texas A&M University: ✓ TiO 2 Penetration and Load: XRF (fluorescent X-ray) analysis ✓ NOx Removal: Japanese Industrial Standard (JIS) TR Z 0018 Photocatalytic Materials – Air Purification Test Procedure ✓ Solar Reflectivity: U.S. Green Building Council (USGBC), LEED V4 Heat Island Reduction (HIR) 242 via Solar Reflectance Index (SRI) - ASTM E1980 - 11 Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces ✓ Hydrophilic Properties: ASTM D7334 - 08(2013) Standard Practice for Surface Wettability of Coatings, Substrates and Pigments by Advancing Contact Angle Measurement ✓ Tire and Other Roadway Microplastic Debris Removal: ASTM E1252 – Infrared Organic Spectrometry (FTIR) 242 Same for Institute for Sustainable Infrastructure (ISI) ENVISION, www.sustainableinfrastructure.org .