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Forwards followup actions & discussions w/Siemens Gammasonics re resolution of neutron dosimetry problem,per Washington State Univ 10CFR21 rept.Vendor actions & plans taken for product improvement adequate.W/o encl.

Accession Number: ML20101D494

Date Released: Sunday, October 27, 2024

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• ML20101D492 - Forwards followup actions & discussions w/Siemens Gammasonics re resolution of neutron dosimetry problem,per Washington State Univ 10CFR21 rept.Vendor actions & plans taken for product improvement adequate.W/o encl. (3 page(s), 12/18/1984)
• ML20101E210 - Responds to request to clarify basis for 100 mrem per quarter penetrating dose used as cutoff level for notifying clients of possible false low neutron readings. (3 page(s), 11/27/1984)
• ML20101E221 - Forwards list of organizations using fast neutron dosimeters during 1984 & who received penetrating dose in excess of 100 mrem in any calendar quarter.Proposed ltr also encl. (3 page(s), 11/9/1984)
• ML20101E247 - Notifies that neutron dosimeter customers having gamma exposures of 100 mrem or greater for any calendar quarter will be sent ltr explaining possible false negative readings. (2 page(s), 10/12/1984)
• ML20101E261 - Ack receipt of 840803 ltr re problems reported by Washington State Univ w/vendor fast neutron dosimeter.Due to amount of data that must be assembled,approx 4 wks will be required to prepare detailed response. (1 page(s), 8/20/1984)