Solid aluminum foil core tapes for protection, location and identification of underground utility installationsMeets or exceeds industry standards including the American Public Works Association (APWA) color codeFormulated to resist degradation from acid and alkali found in soilsLead-free pigments and organic lead-free inkOur Detectable Underground Tapes are formulated to resist degradation from acid and alkali found in soils. Tape uses organic and lead-free ink pigments, and has a solid aluminum-foil core construction to protect, locate and identify underground utility installations. Tape meets or exceeds industry standards, including the American Public Works Association (APWA) color code.