Unit II Project
Ventilation Report
You are employed by Be Safe Consulting, Inc. (BSCI) as an entry-level safety consultant. You report directly to Bob Sanders, the supervising Certified Safety Professional (CSP). BSCI has been contracted by Acme Manufacturing Co. to conduct a study to determine employee exposures to various particulates and gases. In addition, your company has been contracted to determine if the current ventilation systems that are in place are adequate to protect employees from an over exposure to these chemicals. After conducting a field assessment, prepare a written report that Bob Sanders can utilize to prepare a final comprehensive report for the Board of Directors. During your field investigation, you find the following field observations:
Welding Room
The company has six welding booths, or areas that are partitioned only for the use of welding curtains. The booth is open to mixing in the front and top. The company is worried about the welder’s exposure to iron oxide (PEL 10 mg/m3). For a valid sample, you must have a minimum of six hours of sampling (The remaining two hours of the work day is considered to be equal to or less than the sampled exposure. As a result of your air sampling over an eight-hour time period (i.e., the work schedule), you receive the following analytical report: OSH 4308, Advanced Concepts in Environmental Safety Management 3
Name | Location | Conc. 1 | Time 1 | Conc. 2 | Time 2 | Conc. 3 | Time 3 |
Anne Welding | Booth #1 | 4.3 mg/m3 | 150 min. | 3.7 mg/m3 | 150 min | 2.2 mg/m3 | 240 min |
Frank Worldly | Booth #2 | 2.1 mg/m3 | 180 min | 2.8 mg/m3 | 120 min | 3.1 mg/m3 | 240 min |
Jim Young | Booth #3 | 1.7 mg/m3 | 205 min | 1.25 mg/m3 | 125 min | 1.03 mg/m3 | 150 min |
Betty Johnson | Booth #4 | 12.8 mg/m3 | 165 min | 11.2 mg/m3 | 72 min | 9.8 mg/m3 | 123 min |
Jack Jones | Booth #5 | 7.8 mg/m3 | 190 min | 14.2 mg/m3 | 149 min | 8.8 mg/m3 | 140 min |
Joey Apperton | Booth #6 | 3.9 mg/m3 | 155 min | 4.6 mg/m3 | 90 min | 2.1 mg/m3 | 46 min |
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