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This page contains the radioactivity measurement information of acrylic materials.

= Sample Information =

  * Date sending to Berkeley might be different from real date sending to Berkeley few days because of the shipment paper work.
  * The sample images could be found below this page.

|| Sample || Manufacture || Description || Date sending to Berkeley || Note ||
|| 1-1 || Liang-Mei || samples from IAV1 top lid. The lid is composed of 4 panels, and it is one of the panels || 090515 || Image: 090515-1.jpg ||
|| 1-2 || Liang-Mei || samples from IAV1 top lid. The lid is composed of 4 panels, and it is one of the panels || 090515 || Image: 090515-1.jpg ||
|| 1-3 || Liang-Mei || samples from IAV1 top lid. The lid is composed of 4 panels, and it is one of the panels || 090515 || Image: 090515-1.jpg ||
|| 1-4 || Liang-Mei || samples from IAV1 top lid. The lid is composed of 4 panels, and it is one of the panels || 090515 || Image: 090515-1.jpg ||
|| 2-1 || Liang-Mei || sample from IAV1 after-cast barrel. powder-like || 090615 || Image:090615-1.jpg ||
|| 2-2 || Liang-Mei || sample from IAV1 after-cast barrel. powder-like || 090615 || Image:090615-1.jpg ||
|| 2-3 || Liang-Mei || sample from IAV1 after-cast barrel. powder-like || 090615 || Image:090615-1.jpg ||
|| 3-1 || Liang-Mei || samples from IAV1 bottom lid. The lid is composed of 4 panels, and it is one of the panels || 090629 || Image:090629-1.jpg ||
|| 3-2 || Liang-Mei || samples from IAV1 bottom lid. The lid is composed of 4 panels, and it is one of the panels || 090629 || Image:090629-1.jpg ||
|| 3-3 || Liang-Mei || samples from IAV1 bottom lid. The lid is composed of 4 panels, and it is one of the panels || 090629 || Image:090629-1.jpg ||
|| 3-4 || Liang-Mei || samples from IAV1 bottom lid. The lid is composed of 4 panels, and it is one of the panels || 090629 || Image:090629-1.jpg ||
|| 4-1 || Liang-Mei || samples from IAV2 barrel. The barrel is composed of 6 main panels and 1 extended panel. The samples are from one of the 6 main panels. || 090629 || Image:090629-1.jpg ||
|| 4-2 || Liang-Mei || samples from IAV2 barrel. The barrel is composed of 6 main panels and 1 extended panel. The samples are from one of the 6 main panels. || 090629 || Image:090629-1.jpg ||
|| 4-3 || Liang-Mei || samples from IAV2 barrel. The barrel is composed of 6 main panels and 1 extended panel. The samples are from one of the 6 main panels. || 090629 || Image:090629-1.jpg ||
|| 4-4 || Liang-Mei || samples from IAV2 barrel. The barrel is composed of 6 main panels and 1 extended panel. The samples are from one of the 6 main panels. || 090629 || Image:090629-1.jpg ||
|| 4-5 || Liang-Mei || samples from IAV2 barrel. The barrel is composed of 6 main panels and 1 extended panel. The samples are from one of the 6 main panels. || 090629 || Image:090629-1.jpg ||
|| 4-6 || Liang-Mei || samples from IAV2 barrel. The barrel is composed of 6 main panels and 1 extended panel. The samples are from one of the 6 main panels. || 090629 || Image:090629-1.jpg ||

= Summary of Measurement =

The data come from doc:2576

|| Samples from Daya Bay || Date received || Al Smith label || Date measured || Weight (gm) || Detector ID || Data file || Count time (s) || U238 || Th232 || K || Co60 || Remarks || Associated samples || Note ||
|| Nakano acrylic for ribs and lids (8 pieces irregular shape) || 27-May-09 ||    || 6-Sep-09 || 1012 || MERLIN || 24122S || 271500 || <0.8 ppb || <1/5 ppb || < 1.3 ppm ||     ||   || 1-1, 1-2, 1-3, 1-4  || Berkeley note, "for ribs" might be incorrect. Need to confirm ||