Author Archives: hartcrowserblog

Recent Guidance on Vapor Intrusion – EPA, Washington State, Hawaii, and Oregon

Vapor intrusion occurs when there is a migration of vapor-forming chemicals from any subsurface source into an overlying building. The vapors can enter buildings through cracks in basements and foundations, or through conduits and other openings. Examples of vapor-forming chemicals … Continue reading

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There’s a Volcano on our Project Site

Water is the life blood of any city, but its systems are not always pretty. So the two-million-gallon Forest Park Low Tank was embedded into the hillside to preserve the natural character of the area and leave unfettered views. However, … Continue reading

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Preserving Eelgrass While Remediating Legacy Contamination

What do you do when the State requires you to take action, yet prohibits that action? It’s a conundrum that takes imagination and determination. The Setup For over 100 years, several companies used the nearshore at the former Custom Plywood … Continue reading

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The Game of Thrones Wall—An Engineering Perspective

The Game of Thrones (the HBO series based on George R. R. Martin’s books, A Song of Fire and Ice) features a giant wall made of ice. Seven hundred feet high. It’s an imposing structure, but it has to be, … Continue reading

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Towering Hills for Beauty and Strength

A dozen years ago an American port representative was asked how his port was preparing for rising sea levels. “Well…we aren’t,” he answered, somewhat sheepishly, because he knew they should be. Back then, the public was skeptical of the controversial … Continue reading

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Volunteering with the Children of the Night

Nick Galvin, Hart Crowser environmental scientist, is in Guatemala with his family to volunteer for the Xeroderma Pigmentosum Project. A bumpy two hours from the nearest “town” of Santa Cruz Barillas, a padlocked chain stretches across the one-lane dirt road. … Continue reading

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Diving In – The Promise of Social Marketing for Storm Water Education

  Individuals have a direct influence on storm water quality in their communities, and regulators strongly emphasize public education and involvement campaigns in municipal storm water management programs. But how can leaders convince residents to pick up after pets, reduce … Continue reading

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