has ability has skill has job zone active listening critical thinking reading comprehension science speaking writing occupation holder with job zone 4 deductive reasoning oral comprehension oral expression problem sensitivity written comprehension written expression environmental science or geoscience technician environmental science or protection technician, including health 4 Sam Smith Critical Thinking Written Comprehension Reading Comprehension Active Listening Written Expression Problem Sensitivity https://www.bls.gov/oes/current/oes194042.htm Deductive Reasoning Perform laboratory and field tests to monitor the environment and investigate sources of pollution, including those that affect health, under the direction of an environmental scientist, engineer, or other specialist. May collect samples of gases, soil, water, and other materials for testing. Writing Science Speaking Environmental Science and Protection Technicians, Including Health 19-4042.00 Oliver He Oral Expression Oral Comprehension