Andrew Scott Williams
Alhambra
Summary
Results-driven Environmental Scientist specializing in compliance and remediation. Coordinated multi-phase sampling events to ensure adherence to state and federal regulations. Developed guides to enhance waste handling efficiency and safety in high-hazard environments. Expertise in compliance monitoring, hazardous waste management, and logistics coordination for environmental projects.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Environmental Scientist 2
Apex Companies LLC
Carlsbad
10.2025 - 05.2026
- Conducted comprehensive SWPPP inspections to evaluate site compliance and identify environmental risk controls, ensuring adherence to regulatory standards.
- Completed mandated 5-year compliance reviews, verifying alignment with regulatory environmental standards and permitting requirements.
- Conducted comprehensive SWPPP (Storm Water Pollution Prevention Plan) inspections to evaluate site compliance and environmental risk controls.
- Performed SPCC (Spill Prevention, Control, and Countermeasure) inspections to ensure proper handling, storage, and containment of petroleum products.
- Developed quick-reference guide for clients on waste storage practices, enhancing accessibility and clarity of environmental compliance requirements.
Environmental Scientist
Jacobs
Irvine
04.2024 - 10.2025
- Led and supported field teams in soil, groundwater, and vapor sampling operations → Coordinated multi-phase sampling events across diverse project sites, ensuring data integrity and adherence to project timelines
- Conducted compliance monitoring and reporting for the Topock site, focusing on hexavalent chromium contamination → Ensured regulatory alignment with EPA and state agency requirements through routine inspections and documentation
- Navigated high-hazard zones while utilizing Level B and C PPE to maintain safety protocols.
- Developed waste profiles, sampling instructions, and coordinated transportation and disposal logistics → Liaised with TSDFs and transporters to streamline waste handling processes and reduce project costs
- Oversaw subcontractors during drilling, utility locating, and environmental infrastructure installation, ensuring compliance with project specifications and safety protocols through detailed review of work plans and JHAs
- Conducted air monitoring, stormwater inspections, and maintained SWPPP documentation → Performed routine site audits and implemented corrective actions to maintain compliance with NPDES permit requirements
- Developed waste profiles and sampling instructions while coordinating transportation and disposal logistics, improving waste handling efficiency through effective liaison with TSDFs and transporters
- Performed environmental remediation at the Santa Susana Field Laboratory (SSFL), addressing contaminants including Uranium-238 and Vinyl Chloride → Supported radiological and chemical sampling, contributing to site characterization and cleanup efforts under DTSC oversight
- Led HHM (Hazardous Household Materials) and Quality Control operations at the Palisades Fire site → Managed site-wide hazardous materials assessments and ensured compliance with emergency response protocols
- Conducted daily safety briefings and hazard assessments, contributing to zero-incident performance on high-risk sites
- Conducted compliance monitoring and reporting for Topock site on hexavalent chromium contamination, maintaining regulatory alignment with EPA and state agency requirements through consistent inspections and documentation
Scientist
ERM
Irvine
11.2023 - 04.2024
- Conducted O&M on soil vapor extraction (SVE) system, ensuring continuous operability and compliance with safety standards.
- Performed quality control during construction and installation of SVE system, verifying adherence to design specifications and regulatory requirements.
- Developed and installed groundwater monitoring wells and soil vapor probes for monitoring using direct push and sonic rigs.
- Used summa canister to monitor indoor and ambient air for a quarterly inspection.
- Participated in groundwater monitoring sampling event for volatile organic compounds (VOCs).
- Contributed to PFAS groundwater sampling event as a field team member, ensuring proper data collection.
- Developed and installed groundwater monitoring wells and soil vapor probes using direct push and sonic rigs to enhance site monitoring capabilities.
Consulting Associate
Strategos Consulting LLC
San Diego
01.2017 - 12.2023
- Acted as the technician and pilot ensuring the unmanned platforms were configured and deployed correctly.
- Acted as quality control after developing curriculum documentation and instruction.
Grad Assistant
California State University Fullerton
11.2022 - 06.2023
- Conducted research on watershed identifying contamination within runoff sources.
- Assisted in areal mission's collect digital elevation model and thermal imagery.
- Developed reports to disseminate water pathways through a watershed as well as to understand the viability of a constructed wetland as a remediation solution.
Mapping and Survey Intern
Dudek
Encinitas
09.2022 - 11.2022
- Coordinated and operated drone flights to inspect project sites for monitoring overall biological diversity and biological hazards.
- Created and maintained Geographic information system (GIS) maps, models, and geo-databases with geologic, hydrologic, topographic, and other infrastructure-dependent data.
Education
Master of Science - Environmental Studies
California State University-Fullerton
Fullerton, CA01-2023
Advanced Certificate - Hydrogeology
Western Michigan University
Kalamazoo, MI01-2023
Bachelor of Arts - Environmental Resource Management
Whittier College
Whittier, CA01-2022
Skills
- Soil analysis
- Waste profiling
- Air monitoring
- Well installation and oversight
- Regulatory inspections
- Quality assurance
- SWPPP inspections
- Regulatory collaboration
- GIS mapping
- Field operations management
- Response planning
- Restoration strategies
- SVE operation
- Multidisciplinary team engagement
- Transport coordination and logistics
- Compliance oversight
Certification
- Department of Transportation, Ground Shipper Certification (49 CFR 172.704)
- International Maritime Dangerous Goods (IMDG/IMO)
- International Air Transport Association (IATA)
- California Department of Toxic Substances Control (DTSC) Hazardous Waste Classification Training
- FAA Part 107 Commercial Drone Pilot
- Wetland Delineator from Wetland Training Institute
- 40-Hour HAZWOPER (29 CFR 1910.120)
Websites
Timeline
Environmental Scientist 2
Apex Companies LLC
10.2025 - 05.2026
Environmental Scientist
Jacobs
04.2024 - 10.2025
Scientist
ERM
11.2023 - 04.2024
Grad Assistant
California State University Fullerton
11.2022 - 06.2023
Mapping and Survey Intern
Dudek
09.2022 - 11.2022
Consulting Associate
Strategos Consulting LLC
01.2017 - 12.2023
Master of Science - Environmental Studies
California State University-Fullerton
Advanced Certificate - Hydrogeology
Western Michigan University
Bachelor of Arts - Environmental Resource Management
Whittier College