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Appendix A – FMEA

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Appendix B -- FTA

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Appendix C – Design Model and Photograph

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Appendix D – Maxxtronic Circuit

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Appendix E – Alarm Circuit

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Appendix F – Overall Circuit

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Appendix G – Temperature Data

The blue line indicates temperature rise while using computer power sources to

transform 120VAC to 12VDC. The red line indicates temperature rise while using a 12V battery source. Resolution of the DS1620 chipset used to log temperatures is

0.5 °C.

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Appendix H – Humidity Data

Ambient temperature set to 35° C.

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Appendix I – Bacterial Growth Plates