Odor Control Technician case studies
Odor Control Technician · Put your knowledge to work in context.
The Odor Control Technician (OCT) certification is offered by IICRC and is aimed at cleaning and restoration professionals who deal with odor problems as part of their work. The published description states that the credential covers olfaction and odor, odor sources, the detection process, the theory of odor control, equipment, chemical options, and applications. The Odor Control Technician case studies are 5 cases and about 2,871 words.
1Fence-Line Odor Complaint at a Covered Clarifier
At a 45,000 m³/day municipal wastewater treatment plant, residents 300 m west complain of a 'rotten cabbage and chemical' odor most evenings. Two plant operators, standing at the fence line, detect only a faint earthy odor after 10 minutes and rate it 1 on a 0–5 scale.
558 words, about 3 min2Morning Sewer Odor in Second-Floor Offices
A six-story mixed-use building has offices on floors 2–4 and a restaurant on the ground floor. Occupants of two second-floor offices report an intermittent 'rotten egg' odor on weekday mornings, usually 08:00–10:00.
612 words, about 3 min3Landfill Fence-Line Monitoring After a Mercaptan Complaint
A landfill perimeter monitoring program uses a handheld H2S analyzer with a lower detection limit of 0.003 ppm and a PID with a 10.6 eV lamp. During a complaint investigation, the H2S analyzer reads 0.02–0.05 ppm at the fence, and the PID reads 2–4 ppm as isobutylene.
562 words, about 3 min4Selecting a Chemical Program for a Corroding Lift Station
A municipal lift station has a 3.5 m diameter wet well, 6 m deep, receiving 400 m³/day from a residential collector. At the current pump cycle, wastewater resides in the wet well for about 4 hours.
573 words, about 3 min5Biofilter Ammonia Slip After a Recipe Change
A green-waste composting facility uses an 800 m³ open-bed biofilter with a 30 s empty bed residence time. Inlet gas contains 15 ppm H2S and 20 ppm ammonia; outlet odor complaints have increased.
566 words, about 3 min