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    Natalie Russ, Chief
    (717) 772-3944
    Status of Reviews
    General Questions

    Richard Basso
    (717) 772-3946
    Certification Workgroup Lead Worker
    Certification
    RACT-2
    Data Validation

    Susan Bolstrum
    (717) 783-9725
    Testing Procedures
    Quality Assurance

    Bai Han
    (717) 783-9989
    Certification

    Dhruba Khadka
    (717) 787-1421
    Quality Assurance
    Testing Procedures
    CEM Online User Access

    Alex Maldonado
    (717) 772-2333
    Auditing Workgroup Lead Worker
    Testing Procedures
    Quality Assurance
    Mercury and Air Toxics

    Jon Miller
    (717) 772-5101
    Data Workgroup Lead Worker
    Quarterly Data Reporting
    Quarterly Quality Assurance Procedures