A World of Experience. A Down to Earth Approach. EnviroPhase is a full service environmental and engineering consulting company specializing in Phase I and Phase II Environmental Site Assessments (ESAs), Property Condition Assessments (PCAs) and Real Estate Development Services. We are committed to providing quality, cost effective services through our experienced staff. Because of this specialization, we offer our clients many unique advantages that save time and money. Included in these service advantages are: