35 Articles found

Hargis + Associates Inc articles

Dr. Leo Lehmicke, a nationally recognized microbiologist in the area of bioremediation, has joined Hargis + Associates, Inc.

Dr. Leo Lehmicke, a nationally recognized microbiologist in the area of bioremediation, has joined Hargis + Associates, Inc. His specific area of expertise is natural attenuation and enhanced bioremediation of chlorinated solvents. He helped develop and was an instructor for a course on Natural Attenuation of Chlorinated Solvents that was given to EPA and State regulators around the country. Dr. Lehmicke will assist with on going and new projects involving chlorinated solvents.

Apr. 14, 2010

Biotic and abiotic anaerobic transformations of trichloroethene and cis-1,2-dichloroethene in fractured sandstone

A fractured sandstone aquifer at an industrial site in southern California is contaminated with trichloroethene (TCE) and cis- 1,2-dichloroethene (cis-DCE) to depths in excess of 244 m. Field monitoring data suggest thatTCEis undergoing reduction to cis- DCE and that additional attenuation is occurring. However, vinyl chloride (VC)andethenehavenotbeendetected in significant amounts, so that if transformation is occurring, a process other than reductive dechlorination must be responsible. The

Apr. 14, 2010

Ramona Darlington, Leo Lehmicke, Richard G. Andrachek, David L.Freedman

Dr. David Hargis presents annual El dia del Agua poster awards at university of Arizona.

Time: March 3, 2005 at University of Arizona Memorial Student Union

Dr. David Hargis presented awards for Best Poster Presentation at the annual El Dia del Agua student symposium sponsored by the Department of Hydrology and Water Resources.

First Place was awarded to Julio Canon B. for his poster on Spatiotemporal analysis of monthly precipitation in the Colorado River Basin using EOF and Singular Spectrum Analysis`. The first place prize included a cash award of $1000.

Run

Apr. 14, 2010

Drs. Leonhart & Hargis present at international conference in Florence.

Drs. Leo Leonhart and David Hargis presented a paper titled `Groundwater/Surface Water Interactions Along the San Pedro River, Cochise County, Arizona, USA` on August 21, 2004. The presentation was made at the 32nd International Geological Congress in Florence, Italy, in the historic Fortezza da Basso. The Congress was expected to be attended by over 5,000 geoscientists worldwide.

Apr. 14, 2010

Dr. Hargis presents at Parma conference on aquifer risk & vulnerability

On September 22, 2005, Dr. Dave Hargis presented a paper titled, `Groundwater Degradation from Agricultural Pesticides in Volcanic Terrains – A Case History: Oahu, Hawaii.` The conference was the 2nd International Workshop on Aquifer Risk & Vulnerability held in Reggia di Colorno. The venue was 12 km outside of Parma, Italy, in the Palazzo dei Duchi, a historical fortress that served as the residence of Archduchess Maria Luigia in the early 19th C. Maria Luigia was Archduchess of Austria a

Apr. 14, 2010

Dr. Hargis gives out annual El Dia del Agua poster awards at University of Arizona.

Dr. Dave Hargis sponsored and presented awards at the University of Arizona’s 17th Annual El Dia del Agua Student Symposium on March 1, 2007. The awards are given for excellence in poster presentations with first place awarded to Lisette de la Cruz for “Determination of Baseflow Inputs in Riparian Areas along a North American Monsoon Gradient.” Second place was awarded to Caitlin M. Zlatos for her presentation on “Groundwater Sources, Flowpaths, and Residence Times in the Middle Verde Wa

Apr. 14, 2010

San Diego formation groundwater development and storage potential.

Groundwater as a resource has been little utilized in San Diego County, California, compared to neighboring counties to the north. The San Diego formation in southwestern San Diego County is one resource that has seen limited utilization historically, but in recent years has been viewed with increasing interest by local agencies for expanded groundwater development. Potential uses include increased groundwater extraction with reverse osmosis treatment, as needed, or aquifer storage and recovery,

Apr. 14, 2010

Palmer, M.A. and R.A. Niemeyer

Geologic overview of the San Onofre Mountains, camp Pendleton marine corps base, San Diego County, California.

The San Onofre Mountains are located in the west-central portion of the Camp Pendleton Marine Corps Base in San Diego County. These mountains are composed of a southwest dipping Cretaceous to Pleistocene sedimentary sequence that was deposited in diverse tectonic and depositional environments. The sequence flanks the western boundary of the Peninsular Ranges batholith and its metavolcanic roof rocks.

The Upper Cretaceous Williams Formation is the oldest unit within the San Onofre Mountains.

Apr. 14, 2010

Cranham, G.T., P.A. Camilleri, G.R. Jaffe

Dr. Leo Lemicke presents paper at Battelle bioremediation conference.

In June, Dr. Leo Lemicke presented a paper titled, `Natural Attenuation: Better Than Groundwater Extraction?` at the Battelle Bioremediation Conference in Baltimore.

Apr. 14, 2010

Dr. Leo Lehmicke presents paper at Battelle conference

In May, Dr. Leo Lehmicke presented a paper titled “Anaerobic Biodegradation of TCE in Groundwater Following In Situ Thermal Treatment” at the Battelle Conference in Monterey on Remediation of Chlorinated and Recalcitrant Compounds. The presentation describes the successful application of bioaugmentation to treat residual TCE following steam enhanced treatment of a high concentration source zone.

Apr. 14, 2010