1. Conceptional Design Review Group 9 – Department of Health William Allred

2. 10/14/08Group 9 – Department of Health Introduction Who is the customer? Department of Health Department of Health –Clark Eldredge –Jorge Laguna Radon Mitigators Radon Mitigators

3. 10/14/08Group 9 – Department of Health Introduction What is the problem? Unsafe levels of Radon found in high-rise residential buildings Unsafe levels of Radon found in high-rise residential buildings Currently, a method to determine the ventilation rates necessary to decrease Radon to a a safe level does not exist Currently, a method to determine the ventilation rates necessary to decrease Radon to a a safe level does not exist

4. 10/14/08Group 9 – Department of Health Introduction Scope and Customer Needs Scope – To develop a spreadsheet that Radon mitigators would use in the field. Scope – To develop a spreadsheet that Radon mitigators would use in the field. Customer Needs – The customers need a way to determine the amount of air ventilation needed to bring Radon levels back down to a safe level Customer Needs – The customers need a way to determine the amount of air ventilation needed to bring Radon levels back down to a safe level

5. 10/14/08Group 9 – Department of Health Introduction Product Specifications In order for Radon levels to be considered at a “safe level,” it needs to be below 4 PiC/L In order for Radon levels to be considered at a “safe level,” it needs to be below 4 PiC/L

6. 10/14/08Group 9 – Department of Health Concept Development and Selection

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11. 10/14/08Group 9 – Department of Health