If you appeal, your appeal must be submitted in writing on the official appeal form, signed by you or your representative, and received at the following address within ten (10) days of your receipt of this notice: Colorado State Personnel Board/State Personnel Director, Attn: Appeals Processing, 1525 Sherman Street, 4th Floor, Denver, CO 80203. Must achieve LABCAT ABC certifications, ACI Field Testing Technician certification, ACI Concrete Strength Testing Technician certification, WAQTC Soils Testing Technician certification within 6 months of hire.