Toxicology is the study of the effects of chemicals and other potentially harmful agents on biological systems. The field draws upon the sciences of biology, chemistry, biochemistry, physiology, cell and molecular biology, neuroscience, and pathology. The core curriculum provides a comprehensive background in toxicology that is enhanced by elective offerings in the department and the many related basic and health science courses available at CSU. The M.S. in Toxicology, Plan A prepares students for research careers in industry, government and academia. Graduates also find professional employment in public and private sector positions such as environmental protection, risk assessment or product safety evaluation. This program provides an excellent basis for students seeking admission to a doctoral degree program or a related field.

• Application – you must apply and be accepted into a degree program. • Application fee – $60 (U.S. citizen/permanent resident), $70 (international) non-refundable application fee • GRE/GMAT Scores – Contact the academic department to verify whether the GRE/GMAT is required. • Official transcripts/credential & certified translations – Official transcripts or mark sheets and any certificates, diplomas, or degrees from each college or university attended is required regardless of the length of attendance, including courses in progress. Final records will be required upon completion of the course or degree. ALL records submitted must be in the native language; any credentials written in languages other than English MUST be accompanied by a certified English translation (Colorado State University transcripts are not required). • Letters of Recommendation – A minimum of three (3) letters of recommendation are required from previous instructors or employers who are able to comment on your abilities and potential for graduate study. You may provide contact information for up to five (5) recommenders. There is no standardized format unless specified by the academic department. Your recommenders will be notified and prompted to supply a recommendation letter through the system. Academic references should be prepared to discuss your academic knowledge and skills, aptitude for graduate study, ability for independent research, and classroom performance related to characteristics such as integrity, leadership, problem solving, and teamwork. Choosing an individual as a reference who has an impressive title but cannot discuss the aforementioned qualities will not result in an informative letter of recommendation that supports your admission. Writing any portion of the recommendations yourself, either in whole or in part, may result in rejection or dismissal. • Additional Departmental Requirments – Please contact the academic department to which you are applying to, as it may require additional supplemental information. For international students also: • English Proficiency – Regardless of citizenship, applicants may be required to demonstrate proof of English proficiency. Request that examination scores be reported to Colorado State University. The institution code is 4075. Photocopies are not accepted.  Minimum TOEFL score for admission without condition is 550 (paper based), or 80 (internet based).  Minimum IELTS score for admission without condition is 6.5.  Minimum PTE score for admission without condition is 58. Your department may have higher TOEFL/IELTS/PTE score requirements. Students are exempted from the English Proficiency requirement if the official language of their country is English or if they have recently earned a degree at an American University.