Archive for the ‘Environmental’ Category
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 [...]
Sustainable Redevelopment and Green Remediation Forum, November 1st, 2011
Posted in Environmental, tagged Aaron Welch, Allen Matkins, CA DTSC, Carbon Footprint Evaluation Alternatives, Christopher N. Glenn, Contaminated Properties, D. McMurtry & Associates, Dan Geiger, David McMurtry, DJ Hodson, Don Capobres, Emily Murray, Expedited Brownfield Redevelopment, GM bankruptcy, Green Buildings, Grosvenor, Interstate Technology and Regulatory Council, ITRC, Jane Diamond, John Cote, Julie Frankel, Langan, Langan Engineering & Environmental Services, Nick DeRose, Pam Andes, Paul Hadley, Phil Smith, Phil Tringale, Rami & Associates, Renewable Energy Siting, SF Bay Area CA Regional Water Quality Control Board, Stephanie Fiorenza, Stephen Hill, surf, Sustainable Redevelopment and Green Remediation Forum, sustainable remediation, T&R, Treadwell & Rollo, Treadwell and Rollo, US Green Buildings Council, USEPA Region 9 on October 4, 2011 | Leave a Comment »
Please join us on November 1st for the Sustainable Redevelopment and Green Remediation Forum in San Francisco. Langan, in cooperation with the Interstate Technology and Regulatory Council (ITRC), proudly presents this exceptional program in sustainable redevelopment and green remediation. This policy and technology forum will offer both regional and national perspectives from both federal and [...]
New Runoff Requirements from California State Water Resources Control Board
Posted in Civil, Environmental, tagged California Licensed Professional Engineer, California State Water Resources Control Board, Construction General Permit, Erosion and Sediment Control Specialist, Geologist, Hydrologist, Langan Engineering & Environmental Services, Noel Liner, QSD, QSP, Qualified Storm Water Pollution Prevention Plan Developer, Qualified Storm Water Pollution Prevention Plan Practitioner, Storm Water Pollution Prevention, Storm Water Pollution Prevention Plan, SWPPP, Treadwell & Rollo on September 13, 2011 | Leave a Comment »
The greatest source of pollution to San Francisco Bay is the combined runoff from roads, industries, neighborhoods and construction areas. In an effort to improve water quality, the California State Water Resources Control Board is revising runoff requirements to most construction projects (those disturbing more than one acre). These Storm Water Pollution Prevention requirements are [...]
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 [...]
Treadwell & Rollo Provides Vapor Intrusion Mitigation Design Services for Major Expansion of Modesto Junior College West Campus
Posted in Environmental, Green, tagged Ag Housing Complex, Ag Pavilion, Allied Health Building, California Department of Toxic Substances Control, DTSC, gas impermeable membrane, Modesto Junior College West Campus, Science Community Center, Sigrida Reinis, sub-slab venting layer, Treadwell & Rollo, Treadwell and Rollo, vapor intrusion mitigation systems, VOCs, volatile organic compounds, Yosemite Community College on June 14, 2011 | Leave a Comment »
Treadwell & Rollo recently signed our fifth contract with the Yosemite Community College District to provide design and field oversight services for vapor intrusion mitigation systems for new facilities being constructed on the District’s Modesto Junior College West Campus, located in California’s Central Valley. Although Treadwell & Rollo staff have provided vapor and methane mitigation [...]
