Biostatistics
Ecological Risk Assessment
Environmental Audits
Epidemiology
Exposure Assessment
Health Risk Assessment
Reproductive & Endocrine Health
REACH
Toxicology


President's Message

 Tetra Tech Sciences (Sciences), a part of the Tetra Tech Corporation, is a consulting company based in the Washington, DC metropolitan area. Sciences International provides consulting services on scientific and technical issues relating to the impact of chemicals, pharmaceuticals, biologics, and physical agents on human health and the environment.

 Scientists in the company are specialists in epidemiology, statistics, medicine, toxicology, reproductive and endocrine health, and exposure assessment. The scientists’ skills in these broad practice areas are used to study and evaluate a variety of diverse exposures, including industrial chemicals, pesticides, consumer products, fibers, biological agents, and pharmaceuticals.

 The company is proud that its scientists are respected leaders in their specialties and have served clients from both the government and private sectors, including federal and state agencies, private companies, trade associations, and law firms.

12.10.09 - Dr. Scialli reviews EPA IRIS document on trichloroacetic acid
12.09.09 - Dr. Gibb participates in WHO meeting on chemicals of major public health concern
11.19.09 - Dr. Scialli Reviews Reproductive Toxicity of Boron
11.03.09 - Board Certification for Tetra Tech Toxicologist
10.01.09 - Dr. Gibb to testify before Senate Committee on Veterans Affairs
09.04.09 - Dr. Gibb attends International Society for Environmental Epidemiology meeting in Dublin, Ireland
08.04.09 - Dr. Gibb testifys before the Democratic Policy Committee of the U.S. Senate
07.09.09 - Dr. Gibb to chair WHO Task Force Meeting July 14-16, 2009
06.02.09 - Reproductive Toxicity Adjunct Group
05.19.09 - Dr. Gibb to attend WHO meeting in Rome June 10-12, 2009
05.14.09 - National Research Council Symposium on Pathway-Based Risk Assessment
04.23.09 - HESI Developmental Toxicology Workshop
04.02.09 - Does Vitamin D During Pregnancy Prevent Childhood Asthma?
03.31.09 - WPBPK Modeling Workshop
03.20.09 - WHO Report on Cyclic Acid Anhydrides: Human Health Aspects
03.09.09 - Advisors to the European Commission
03.04.09 - Sciences Ducks!
02.27.09 - Teratology Double-Header
02.12.09 - Grand Rounds at Georgetown University
01.30.09 - Dr. Gibb quoted in Lancet article on WHO effort to estimate the global burden of foodborne disease
01.28.09 - Dr. Scialli featured at SOT
01.06.09 - Dr. Gibb to review NIOSH chromium document
12.18.08 - Join Sciences at the 2009 SOT meeting
11.25.08 - Lyn M. Dick Lecture on Clinical Teratology
11.04.08 - Dr. Gibb to attend second meeting of the WHO Foodborne Epidemiology Reference Group (FERG) in Geneva, Switzerland, November 17-21, 2008
10.30.08 - 2008 Meeting of the Middle Atlantic Reproduction and Teratology Association (MARTA)
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