With regard to radiologically-impacted sites, Herst & Associates, Inc. provides services that include identification of data quality objectives, establishment of statistically-valid sampling systems, on-site data collection, personnel and equipment monitoring, detailed evaluation of results compared to applicable regulatory criteria, and development of appropriate remedial measures to protect human health and the environment. Herst & Associates, Inc. provides its radiological expertise at sites across the US, including a CERCLA Superfund site impacted by disposal of radioactive material.