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Background Information

INDOOR AIR QUALITY CASE STUDY CONDUCTED BY: ILLINOIS ON-SITE SAFETY AND HEALTH CONSULTATION PROGRAM. Background Information. Student With Respiratory Problems Parent Called Private Environmental Consultant Parent Was Referred To On-Site Consultation Program

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Background Information

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  1. INDOOR AIR QUALITY CASE STUDYCONDUCTED BY:ILLINOIS ON-SITE SAFETY AND HEALTH CONSULTATION PROGRAM

  2. Background Information • Student With Respiratory Problems • Parent Called Private Environmental Consultant • Parent Was Referred To On-Site Consultation Program • School Principal Requested Our Assistance

  3. School Description • Catholic Grade School • Preschool to 6th Grade (Approx. 350 Students) • Configuration: Original “L” Section Two New Add On Wings Square Central Courtyard

  4. Air Sampling • Mold / Fungal Spores - Visual ID of Spores - Colony Forming Units • Carbon Monoxide • Carbon Dioxide • Temperature • Relative Humidity

  5. 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.

  6. 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

  7. 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/1st Grade Hall - 4 ppm Teachers Lounge - 2 ppm Outdoors - 1 ppm

  8. 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

  9. Other Safety Issues Addressed: • Bloodborne Pathogens • Hazard Communications Program • Evacuation Route • Workplace Hazard Assessment & PPE Use • Fire Extinguishers not annually inspected • OSHA Poster

  10. 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.

  11. Don WilliamsDepartment of Commerce and Community Affairs200 S. Wyman St. Suite 102Rockford, IL 61101Tele. (815) 987-7663dwilliam@commerce.state.il.us

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