ARCHITECTURAL ACOUSTICS, MECHANICAL SYSTEMS AND HVAC NOISE AND VIBRATION CONTROL, EXPERT WITNESS, ACOUSTICAL FORENSICS, MULTI-UNIT RESIDENTIAL BUILDINGS, SOUND TRANSMISSION FIELD TESTING, THEATERS AND CONCERT HALLS, BALLROOMS, YOGA STUDIOS, FITNESS C ENTERS, VIBRATION ANALYSIS AND CONTROL, ENVIRONMENTAL IMPACT STATEMENTS, OPEN-PLAN OFFICE ACOUSTICAL DESIGN, LOW-NOISE LEVEL ENVIRONMENTS, HUD ENVIRONMENTAL NOISE ASSESSMENTS, ENVIRONMENTAL IMPACT STATEMENTS, HOTELS, RESTAURANTS, PRIVATE RESIDENCES, TROUBLESHOOTING, PEER REVIEW, PATENT LITIGATION, EXPERT INVESTIGATIONS AND TESTIMONY