My most recent position with Three Rivers Park District required me to analyze samples and practice good laboratory methods. Examples of duties consisted of:• Assisting with and conducting laboratory tests achieving satisfactory results • Tests include: total nitrogen, total phosphorus, soluble reactive phosphorus, total chloride, chlorophyll-a, total suspended solids, volatile suspended solids, biochemical oxygen demand, and bacterial testing for coliform and e-coli• Collect lake and stream/storm water samples for analysis and site maintenance• Equipment used: autoclaves, drying oven, muffle furnace, analytical balance, spectrophotometer, D.O. probe, I.S.E. meter, and ISCO automated samplers