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AIR QUALITY COMPLIANCE SERVICES
Our staff has extensive expertise in assisting various types of operations with federal, state & local agencies air quality, water quality and hazardous materials compliance requirements rules requirements for both stationary, off-road & mobile equipment.
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WATER QUALITY COMPLIANCE SERVICES
Sierra’s staff provides technical and regulatory assistance to various, industrial, public & agricultural facilities to maintain the integrity of water resources and comply with local, state & federal clean water acts requirements.
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ENGINEERING & ENVIRONMENTAL STUDIES
Our technical staff has prepared cost/benefit analysis, engineering feasibility studies, energy conservation, & environmental impact reports for proposed expansions for various types of industrial & commercial operations, and projects in planning phases.