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Published byMarilynn Boone Modified over 9 years ago
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INDOOR AIR QUALITY CASE STUDY CONDUCTED BY: ILLINOIS ON-SITE SAFETY AND HEALTH CONSULTATION PROGRAM
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Background Information Student With Respiratory Problems Parent Called Private Environmental Consultant Parent Was Referred To On-Site Consultation Program School Principal Requested Our Assistance
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School Description Catholic Grade School Preschool to 6 th Grade (Approx. 350 Students) Configuration: Original “L” Section Two New Add On Wings Square Central Courtyard
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Air Sampling Mold / Fungal Spores - Visual ID of Spores - Colony Forming Units Carbon Monoxide Carbon Dioxide Temperature Relative Humidity
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Findings: Temperature and Relative Humidity ANSI/ASHRAE 55 Recommending Limits Winter 68 to 74.5 Degrees F. Summer 73 to 79 Degrees F. Relative Humidity 30% to 70% The school was within recommended limits.
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Findings: Mold and Fungal Spores Highest to Lowest Areas: 1. Outdoors in Courtyard 2. Boiler Room 3. Janitor’s Closet 4. Kitchen 5. First Grade - Window open to courtyard
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Findings: Carbon Monoxide Limits: OSHA – 50 Parts Per Million (PPM) ACGIH TLV – 25 PPM (Recommended) Highest to Lowest: Boiler Room - 15 to 20 ppm Kindergarten/1 st Grade Hall - 4 ppm Teachers Lounge - 2 ppm Outdoors - 1 ppm
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Findings: Carbon Dioxide Limits: OSHA – 5000 ppm ACGIH TLV – 5000 ppm ANSI/ASHRAE – 1000 ppm (Recommended) Highest to Lowest: Classrooms - 2160 to 3030 ppm Teachers’ Lounge - 1911 ppm Boiler Room - 1690 ppm Outdoors - 401 ppm
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Other Safety Issues Addressed: Bloodborne Pathogens Hazard Communications Program Evacuation Route Workplace Hazard Assessment & PPE Use Fire Extinguishers not annually inspected OSHA Poster
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Feedback From Principal: I really appreciate all that you did for our school last year. It helped us a lot. When the State came through to conduct their inspection, they were “blown away” with all the work that was done in the area of health and safety. Thanks to you.
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Don Williams Department of Commerce and Community Affairs 200 S. Wyman St. Suite 102 Rockford, IL 61101 Tele. (815) 987-7663 dwilliam@commerce.state.il.us
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