Mr. O’Hara's primary responsibilities are for the conduct of human health risk assessments for pesticides, biocides, and industrial chemicals. He has experience in a wide range of regulatory, human health exposure models such as UKPOEM, EASE, and ConsExpo, and also in the interpretation and application of data from operator/worker exposure studies.
Mr. O’Hara has over 10 years experience gained within a regulatory environment. During his career, he has gained an in-depth knowledge in the design and conduct of a wide range of regulatory environmental fate studies (such as soil metabolism and mobility studies) and in the management, compilation, and support of EU summary dossiers in compliance with EU Directives 91/414/EEC and 98/8/EEC.
As a Regulatory and Programme Manager, Mr. O’Hara was responsible for the planning and monitoring of regulatory studies as part of a world-wide registration programme. He has acted as client representative in discussions with European regulatory authorities and worked extensively with clients on the strategy and design of study programmes to meet regulatory requirements.
Williams BL, Shand CA, Hill M, O’Hara C, Smith S, Young ME. A procedure for the simultaneous oxidation of total soluble nitrogen and phosphorus in extracts of fresh and fumigated soils and litters. Commun. Soil Sci. Plant Anal. 1995; 26(1&2):91–106.