Preston Kelly, CSST, DPH

Environmental Field Technician

Professional Experience

Preston Kelly is a Certified Site Surveillance Technician and DPH Lead Sampling Technician with a degree in Environmental Science from Trinity College. During his educational career, Mr. Kelly specialized in monitoring and assessing air, water and soil samples and conducting environmental risk and impact assessments. Since joining the A-Tech Consulting Team, Preston has demonstrated a keen ability to see the bigger picture of each project to ensure each client’s schedule and needs are met. He is highly-skilled and trained to complete thorough site investigations for asbestos, lead, mold, bacteria and other hazardous materials to assist clients in identifying and mitigating potential environmental hazards. Mr. Kelly conducts all work with a strong sense of professionalism and is dedicated to delivering a quality final product to each client.


  • Infection Control Monitoring
  • Environmental Surveys/Inspections (Asbestos, Lead, IAQ, HAZMAT)
  • Microbial Investigations
  • AHERA Inspections
  • Indoor Air Quality Investigations
  • Asbestos Awareness Training
  • Moisture Intrusion Investigations
  • NIOSH 582-Air Sample Analysis
  • General Construction Monitoring
  • Project Monitoring (Asbestos, Mold, IAQ)


  • 2012 – 2016         Bachelor’s of Science, Environmental Science, Trinity College, Hartford, CT
  • 2008 – 2012         High School Diploma, Orange Lutheran High School, Orange, CA

Certificates and Registrations

  • Certified Site Surveillance Technician – CSST #17-5949 California Occupational Safety & Health Administration
  • Certified Lead Sampling Technician – CA Dept. of Public Health #30023

Short Courses / Symposiums

  • Certified AHERA Building Inspector
  • Certified AHERA Contractor Supervisor
  • Certified AHERA Competent Person/Advisor for Practices & Procedures in Asbestos Abatement
  • Certified Air Sampling and Analysis-NIOSH 582 Equivalent
  • Trained Mold Professional


  • Environmental Information Association (EIA)
  • Southern California Chapter of the American Industrial Hygiene Association (SCAIHA)
  • California Society for Healthcare Engineering, Inc. (CSHE)