Applicants must meet one of the following to qualify for the GG-05 level: 9 months field party experience; OR 3 years sub-professional experience; OR 3 years college study (equivalent 90 semester hours/135 quarter hours) plus 3 months of lab or field work experience. Definitions of Experience: Field Survey Party - Experience with a field survey party includes activity associated with making and recording geologic, hydrologic, biologic, or topographic field observations; collecting geologic, biological, or water samples for laboratory analysis; applying accepted data collection techniques and methods in the performance of field work in support of scientific investigations; and using a variety of surveying instruments and electronic or mechanical instrumentation in the making and recording of field measurements and observations designed to collect data for physical/ biological science investigations. Only time actually spent in the field can be credited when qualifying individuals under the field party experience option. Sub-professional Experience - Sub-professional experience is defined as technical work performed in support of field or laboratory investigations relating to the biological sciences, physical sciences, or closely related disciplines which provided basic knowledge or skills in gathering, recording, and assembling scientific or engineering data; using scientific instruments to measure angles, degrees, weights, strengths, intensities, etc.; setting up and operating test apparatus, and manipulating quantitative data. Experience may include assisting professional employees with such duties as calibrating and operating measuring instruments mixing solutions, making chemical analyses, setting up and operating test apparatus, and compiling and processing scientific data. Experience as a laboratory mechanic or in a trade or craft may be credited as experience when the work was performed in close association with physical or biological scientists or other technical personnel and provided a good working knowledge of appropriate scientific principles, methods, and techniques. Professional Experience - Professional work experience in the physical and biological sciences may be credited in lieu of or in conjunction with sub-professional experience as defined above. Please note that if qualifying based on education; unofficial transcripts MUST be submitted as part of the application in order to receive consideration. You must meet all qualification and eligibility requirements for the position by the closing date of the announcement.