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Cosima Fothergill-Nwankwo

Industrial Hygienist
Fresno, CA, United States

Professional Summary

Certified Industrial Hygienist with 7+ years protecting workers across food processing, cold storage, and agricultural packing in California’s Central Valley. Expert in exposure assessment, ventilation design review, and OSHA/Cal/OSHA compliance. Known for turning noisy plant data into clear controls that cut overexposures without slowing production.

Employment History

Senior Industrial Hygienist
Valley Fresh Foods · Fresno, CA
Mar, 2021
Lead IH program for 3 processing plants (1,200+ employees); ran 180+ personal/area sampling campaigns for silica, ammonia, noise, and heat. Redesigned local exhaust ventilation at spice milling; reduced respirable dust overexposures 64% within 6 months. Built Cal/OSHA Injury & Illness Prevention Program updates and trained 90 supervisors on hierarchy of controls. Partnered with EHS to cut recordable respiratory incidents 41% YoY while keeping line uptime above 97%.
Industrial Hygienist
Sierra Cold Logistics · Clovis, CA
Jun, 2017 · Feb, 2021
Performed ammonia refrigeration exposure monitoring and emergency response drills for 4 cold-storage sites. Implemented noise dosimetry program; specified hearing-conservation zones that dropped STS cases 28%. Authored Job Hazard Analyses for dock, blast-freeze, and sanitation crews; closed 50+ corrective actions. Supported third-party audits (SQF/GFSI adjacent EHS) with sampling packs and control evidence.
EHS Specialist (IH focus)
Central Valley Packing Co-op · Madera, CA
Aug, 2015 · May, 2017
Conducted baseline exposure assessments for packing-house dust, pesticides residues handling, and ergonomic risk. Rolled out qualitative exposure banding and PPE selection guides for seasonal crews (peak 800 workers). Coordinated industrial hygiene sampling with consulting lab; cut sample turnaround from 14 to 5 days.

Education

M.S. Occupational & Environmental Health
California State University, Fresno · Fresno, CA
Aug, 2013 · May, 2015
B.S. Environmental Science
University of California, Merced · Merced, CA
Aug, 2009 · May, 2013

Skills

Exposure assessment
Air sampling (NIOSH/OSHA methods)
Noise dosimetry
Ventilation evaluation
Cal/OSHA compliance
IH data analysis
JHA/JSA
Respiratory protection
Heat illness prevention
Ammonia refrigeration safety
Training & coaching
Microsoft Excel
IH DIG
SpecWare

Courses

Certified Industrial Hygienist (CIH)
ABIH/BGC
Mar, 2019
Certified Safety Professional (CSP)
BCSP
Oct, 2020
OSHA 30-Hour General Industry
OSHA Training Institute
Feb, 2016
HAZWOPER 40-Hour
OSHA 29 CFR 1910.120
Jul, 2015

Extra-curricular Activities

Case Study Lead — Spice-Dust Controls
Central Valley IH Peer Network · Fresno, CA
Jan, 2023 · Dec, 2023
Led Central Valley IH peer network case study on spice-dust controls (2023), sharing LEV redesign data and sampling results with regional food processors.
Volunteer IH Mentor
AIHA Local Section — Student Outreach · Fresno, CA
Sep, 2019
Volunteer IH mentor, AIHA local section student outreach; coach graduate students on sampling strategy and IH career paths.