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attn: Hal Levin

Our office hours are 9:30-5:30 Pacific Time, Monday through Friday. You can contact us by email at any time and we will respond as soon as we receive your message.

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Consulting Services
For more than 40 years we have helped hundreds of organizations on 5 continents create environmentally-responsible, healthy buildings. We focus on "Building Ecology" -- the relationships between buildings, occupants, and the larger environment -- emphasizing indoor environmental quality and sustainability.

For more information about our consulting services, please visit Building Ecology Research Group


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