Section He-P 4035.18 - Calibration of Survey Instruments(a) A licensee shall calibrate the survey instruments used to show compliance with He-P 4020 through He-P 4023 before first use, at intervals not to exceed 12 months, and following repair that affects the calibration.(b) To satisfy the requirements of He-P 4035.18(a), the licensee shall: (1) Calibrate all required scale readings up to 10 millisieverts (1000 mrem) per hour with a radiation source;(2) Calibrate 2 separated readings on each scale or decade that will be used to show compliance; and(3) Clearly mark the date of calibration on the instrument.(c) To satisfy the requirements of He-P 4035.18(b), the licensee shall use survey instruments if the difference between the indicated exposure rate and the calculated exposure rate is less than 20 percent.N.H. Admin. Code § He-P 4035.18
(See Revision Note at part heading for He-P 4035) #6942, eff 2-1-99; ss by #8800, INTERIM, eff 2-1-07, EXPIRED: 7-31-07
New. #8959, eff 8-7-07
Amended by Volume XXXV, Number 32 Filed August 13, 2015, Proposed by #10897, Effective 7/22/2015, Expires1/18/2016.Amended by Volume XXXVI Number 01, Filed January 7, 2016, Proposed by #11011, Effective 1/15/2016, Expires 1/15/2026.Amended by Volume XL Number 24, Filed June 11, 2020, Proposed by #13048, Effective 6/2/2020, Expires 6/2/2030.Amended by Volume XLII Number 45, Filed November 10, 2022, Proposed by #13473, Effective 10/25/2022, Expires 10/25/2032