ARCHITECTURAL ACOUSTICS, AIRCRAFT NOISE ASSESSMENT, COMMUNITY NOISE SURVEYS, ENVIRONMENTAL IMPACT STATEMENTS, EXPERT WITNESS, FIELD TESTING, INDUSTRIAL NOISE CONTROL, MECHANICAL SYSTEM AND HVAC, OPEN-PLAN OFFICE ACOUSTICAL DESIGN, PRODUCT NOISE CONTROL, THEATER AND CONCERT HALLS, TRANSPORTATION NOISE CONTROL, VIBRATION ANALYSIS AND CONTROL, STC AND IIC ANALYSIS, RESIDENTIAL NOISE CONTROL, HEALTHCARE FACILITIES, EDUCATION, COMMERCIAL.