Absolute Safeguard | Pittsburgh Home Inspectors. Absolute Safeguard home inspectors have performed thousands of inspections throughout Western Pennsylvania. We are ASHI, NACHI, DEP, and DOA Certified. While we have in-depth knowledge of a wide range of home inspection types, we have exceptional expertise in well water and septic dye testing. In fact, we are the home inspection company that other home inspectors have called for well water and septic consultation.