Use this sample letter to be removed from any marketing mailing list. Use this guide to create the perfect opt-out letter.If this request is not sufficient for removing my name or those of my listed family members, please notify me promptly of any other procedures I need to follow. After three (3) such waivers of certification or appointment to permanent positions in any class, the eligible's name may be removed from the employment list. To assist Contra Costa County in its commitment to Equal Employment Opportunity, applicants are asked to voluntarily provide the following information. Use the Interim Change Form available on our website or at the HCV office, to report all changes. Consider our FREE Externship Program, to learn about careers at Central San and in wastewater!