Going back 2 133 days starting on February 20, 2019, to today, isotopes.lbl.gov was checked for availability 1 times total. Isotopes.lbl.gov was reported as unavailable or experiencing other issues as of December 23, 2024, based on all checks conducted. For 1 of the total assessments, isotopes.lbl.gov was unavailable, equivalent to 100.00%, with the last occurrence on February 20, 2019. Responses obtained as of December 23, 2024, have been confirmed as not containing any error statuses. Responding on February 20, 2019, in — seconds, isotopes.lbl.gov averaged 0.001 seconds for response times.