• Operate five Agilent GC-MSs for various tests:o EPA Method 525.2o EPA Method 548o EPA Method 625 and SW-846 8270o Custom 625 method for TIC search (Tentatively Identified Compounds)o Custom 625/552 method for diacids• Tune and calibrate instruments• Maintain GC-MSs for regular use:o Inlet maintenanceo Column replacemento Source cleaningo Tuning and calibratingo Rough pump oil replacement• Coordinate with service technicians• Prepare standards and calibration mixes• Inventory and order consumables• Utilize Omega LIMS system for backlog management and data entry • Work with QA to perform method audits, update SOPs and format documents• Evaluate DOCs for prep technicians• Dilute and screen samples to preserve instrument health• Troubleshoot QC failures and assist with sample narration• Update PMs on turnaround time• Assist prep lab with glassware• Participate in EPA and client audits• Edit instrument processing and acquisition methods for method development

• Operate GC-MS for volatiles soil samples using SW-846 test method 8260 and EPA 624• Maintain autosampler, transfer lines, sparge needle, traps, GC-MS, and all associated hardware• Label, weigh, and centrifuge soil sample vials• Assist with lab-wide statistical assessments for training and QC purposes:o Update organic control limitso Generate control charts for wet chemistry and wastewater tests

• Extract and concentrate samples for BNA, TPH, Pesticide, PCB, and PAH• Analyze SGT-HEM waters using EPA 1664• Maintain and operate hot block/microwave and Soxhlet systems for soil extractions• Safely and effectively handle separatory funnels for manual liquid-liquid extractions• Track and calibrate thermometers for organics, metals, and wet chemistry departments

Developed and answered research questions pertaining to soil quality and tree health in The Morton Arboretum's permeable parking lot bioswales.