{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Kannan K"],"funding":["NIEHS NIH HHS","NIEHS"],"pagination":["113741"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8096700"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["234"],"pubmed_abstract":["A consortium of laboratories established under the Children's Health Exposure Analysis Resource (CHEAR) used a multifaceted quality assurance program to promote measurement harmonization for trace organics analyses of human biospecimens that included: (1) participation in external quality assurance (EQA)/proficiency testing (PT) programs; (2) analyses of a urine-based CHEAR common quality control (QC) pool with each analytical batch across all participating laboratories; (3) method validation against NIST Standard Reference Materials® (SRMs); and (4) analyses of blinded duplicates and other project-specific QC samples. The capability of five CHEAR laboratories in organic chemical analysis increased across the 4-year period, and performance in the external PT program improved over time - re"],"journal":["International journal of hygiene and environmental health"],"pubmed_title":["Quality assurance and harmonization for targeted biomonitoring measurements of environmental organic chemicals across the Children's Health Exposure Analysis Resource laboratory network."],"pmcid":["PMC8096700"],"funding_grant_id":["U2C ES026542","U2C ES026561","P30 ES023515","U2C ES026560","U24 ES026539","U2C ES026533","U2C ES026555"],"pubmed_authors":["Barr DB","Mazzella MJ","Merrill LS","Galusha AL","Hecht SS","Parsons PJ","Kannan K","Andra SS","Stathis A"],"additional_accession":[]},"is_claimable":false,"name":"Quality assurance and harmonization for targeted biomonitoring measurements of environmental organic chemicals across the Children's Health Exposure Analysis Resource laboratory network.","description":"A consortium of laboratories established under the Children's Health Exposure Analysis Resource (CHEAR) used a multifaceted quality assurance program to promote measurement harmonization for trace organics analyses of human biospecimens that included: (1) participation in external quality assurance (EQA)/proficiency testing (PT) programs; (2) analyses of a urine-based CHEAR common quality control (QC) pool with each analytical batch across all participating laboratories; (3) method validation against NIST Standard Reference Materials® (SRMs); and (4) analyses of blinded duplicates and other project-specific QC samples. The capability of five CHEAR laboratories in organic chemical analysis increased across the 4-year period, and performance in the external PT program improved over time - re","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 May","modification":"2025-04-04T10:17:18.68Z","creation":"2025-04-04T10:17:18.68Z"},"accession":"S-EPMC8096700","cross_references":{"pubmed":["33773388"],"doi":["10.1016/j.ijheh.2021.113741"]}}