Labels:background | bench | bridge | earth | fence | grass | person | pole | rock | shelf | sky | tree OCR: Arsenic-free PTLs Existing arsenk pressure reated aterials are con isidered safe work nd ndke though they may have compatibility problems with DTIe may not last long as CCA ier ano typically cost 20 to 30 percent more ARemative Exterior Decking Miterials treated considered handle Some sealers Mrterials