The Certification name called Barnes, William Warren which DOE Number is 449934, hold the Building Maintenance, (vocational) Certification, and it's effective period between 7/1/2011 - 6/30/2016. For more Information, you can see the table below.
| DOE Number | 449934 |
|---|---|
| District | unknown |
| Certification | Building Maintenance, (vocational) |
| Type | Professional |
| Validity Period | 7/1/2011 - 6/30/2016 |