Posts Tagged ‘environmental engineering’
Happy Holidays!
Posted in Civil, Environmental, General, Geotechnical, Seismic, tagged Civil Engineering, environmental engineering, Geologist, Geotechnical engineering, happy holidays, Langan, Langan Engineering & Environmental Services, Langan International, Treadwell & Rollo, Treadwell and Rollo on December 20, 2011 | Leave a Comment »
Final DTSC Guidance on Vapor Intrusion Investigations and Mitigation
Posted in Environmental, tagged air indoor sampling, CA DTSC, DTSC, Environmental, environmental engineering, Johnson and Ettinger, Michael Chendorain, soil gas, soil vapor, Soil vapor extraction, sub-slab, vapor intrusion, Vapor Intrusion Mitigation, Vapor Intrusion Mitigation Advisory, vapor mitigation, vapor mitigation systems on October 27, 2011 | 1 Comment »
In October 2011 The California Environmental Protection Agency’s Department of Toxic Substances Control (DTSC) released two documents related to Vapor Intrusion issues. The document titled “Guidance for the Evaluation and Mitigation of Subsurface Vapor Intrusion to Indoor Air” represents a revised document that incorporates public comments. This document, considered by the DTSC to be a [...]
For the Love of Soil – Meet Langan’s Diane Fiorelli
Posted in Awards, Environmental, Geotechnical, tagged Andy Ciancia, Civil Engineering, Cooper Union, Diane Fiorelli, Environmental, environmental engineering, George Leventis, Geotechnical, Geotechnical Engineer, geotechnical engineering services, geotechnical investigation, geotechnical services, Greece, Langan, Langan Engineering & Environmental Services, Las Vegas, New York, Rion-Antiron Bridge, soil, soil mechanics, UC Berkeley on July 19, 2011 | 1 Comment »
Diane Fiorelli, DFI For Langan Engineering’s Diane Fiorelli the path to becoming a highly respected Geotechnical Engineer began with a love for science. As a high school student in New York’s Long Island, Fiorelli enjoyed the challenge of math and science and found that they came to her easily. She decided initially on a career [...]
Frank L. Rollo Celebrates 20 Years at Treadwell & Rollo
Posted in Uncategorized, tagged 49ers Stadium, AT&T Park, Building Industrial Conference Board, City of Hope Award, co-founder, Disney Museum, Engineering Criteria Review Board, environmental engineering, Four Seasons, Frank L. Rollo, Geotechnical, Google, liquefaction, litigation, Loma Prieta, Millennium Tower, One Rincon, peer review, Phoenix Award, Pixar, San Francisco, San Francisco Bay Conservation and Development Commission, seismic engineers, SFMOMA, slope stability, Treadwell & Rollo, Yahoo on March 19, 2010 | Leave a Comment »
In the field of geotechnical and environmental engineering, the Treadwell & Rollo name is synonymous with integrity, professionalism, quality, and technical excellence. Frank L. Rollo, Principal Engineer and one of the firm’s Co-Founders, is highly-regarded for these same qualities as an individual and as a professional. And for the past 20 years, Frank has played [...]
