Use of the handheld XRF
Contents
1. Any adjustment operations or machine failures which require enclosures to be removed must not be attempted These should be reported and carried out by authorised persons at Niton John Hurley T 01256 397860 or 07979595418 For operational instructions contact Jane Davis or Patrick Orme and refer to the user s manual 15 cps counts per second 1 uSv h 1uGy h Assumed use WITHOUT steel encased holder 2 Assumed emitter window is flush against the sample Ver 2 180907 HERO Health and Safety Safety information for governing the use of the Niton XLt Environmental Analyser portable XRF Check for any x ray leaks using the mini monitor kept in room 3 7C 3 Floor Devonshire Building Radiation values detected from checks carried out by the University Radiation Protection Officer Simon Willis are shown in table 1 below Should levels exceed the maximum dose rate allowed accepted upper limits provided by Niton listed in the user manual the Radiation Protection Supervisor Dr Neil Gray should be contacted for any advice x4887 Table 1 Dose Rate or detected radiation 5 Area checked Maximum dose rate for Leakage Used WITH steel Used WITHOUT allowed encasing steel encasing lt 0 1 cps lt 0 1 cps XRF not in use lt 1 uSv hr lt 1 uSv hr n a lt 0 1 cps 0 5 cps Finger trigger lt 1 uSv hr 0 1 uSv hr 0 9 uSv hr 100 cps 0 cm Direct 20 uS hr 0 cm 150 cps 0 cm 19 3 mSv2. hr 5 cm Exposure 20 cps 5cm 30 uS hr 0 cm 0 028 mSv hr 100 cm 5 uS hr 5 cm Measurements in cps used a Mini 900 X For reference annual occupational dose limits for adults and typical dose limits for selected medical requirements are outlined in table 2 below Table 2 Subject Dose Rate or detected radiation Annual occupational dose limits for adults Whole body 20 mSv Pregnant worker 1 mSv Selected medical requirements Typical chest x ray 0 06 mSv Typical head neck x ray 0 2 mSv Typical pelvis hip x ray 0 65 mSv Typical CAT scan 1 1 mSv Internationally recognised limits set by the International Commission for Radiological Protection ICRP www icrp org 1 5 cps counts per second 1 uSv h 1uGy h Assumed emitter window is flush against the sample Version 2 180907 RISK ASSESSMENT FORM University of Newcastle HERO Group ASSESSMENT OF RISK ASSOCIATED WITH PROPOSED EXPERIMENTS OR PROJECT Personne ln vVOlWVed REEE os seed E week Seine Mas eA A Ge OU Abs CMA ak ane isles E E bouden ences inc status Title of Experiment Procedure 6c55 0ccia cede ee ese ea dees edie be iite NE EuN EE Eae e Ei AE etae teie Gad qiiare daaloloubae stats pale a a a a a e Se wbhad aus pobre daulelous ba REl Substances used X I ay beams Hazards identified Radiation Or activity Do quantities dilutions of the substances identifi
3. HERO Health and Safety Specific local rules for governing the use of the Niton XLt Environmental Analyser portable XRF Laboratory 1 These Local Rules are supplementary to the University Rules for Radiation Use All users are required to refer to and follow these rules 2 Users of this instrument are registered as designated radiation workers with the university and approved as an authorised user by the Radiation Protection Supervisor RPS Dr Neil Gray x4887 or deputy following training 3 The XRF is locked in the cupboard in laboratory 3 7C 3 Floor Devonshire Building whilst not in use Authorised users can only obtain the cupboard key and operating password from Jane Davis or Patrick Orme 4 Authorised users are required at the start of every operational period to check for possible x ray leakage using the series 900 X mini monitor Any counts on the using this monitor above the following values must be reported to the RPS a Tube area not in use 5 cps b Tube area in use 200 cps c Finger trigger 5cps 5 While the XRF is in use shutters open and the external warning lights are flashing a radiation sign is hung on the entry door to room 3 7C 3 floor Devonshire Building 6 The XRF is used with the sample holder and remotely operated using the PC when possible If the XRF is not to be used in the holder then the area is designated as controlled and the unit is held at arms length and not directed
4. O Group Laboratory Undergraduates and Masters students should produce the completed form at their first laboratory class research students on first day of lab work and hand it to the member of staff Inductor or Laboratory Technician
5. ed make normal Good Chemical Practice sufficient Y N If yes no further assessment is necessary please sign over the page Is there a less hazardous alternative Y N If yes Why NOCuse it ei c25 Gases epee ee eee ee ae abd Control measures to be adopted N B Consider cleaners contractors maintenance staff as well as research staff use a continuation sheet if necessary Enter Containment level i e operating fume cupboard etc ee ISG PFOLECLIVE SIGE CASING 26s nore ioe oi aenu i a a satu enters lt Required checks and their frequency on the adequacy and maintenance of control measures in the course of the experiment N B State if any health surveillance is necessary iSite Use Geiger counter if necessary see specific local rules laboratory Disposal procedures during and at end of experiment Estimated cost iets NA cd cencde whe nade toe Aged RGGI RENE TORMISpOsal tsi wad EMERGENCY PROCEDURES If any of the substances or procedures identified above are likely to pose a special hazard in any emergency then identify below the action to be taken Spillage uncontrolled release 2 spin ses wens rei tiere EEE EEA EEE EEE ERE EEE r E n Inform the Radiation Protection officer Dr Neil Gray 0191 246 4887 and seek immediate medical attention cccccccccccccee cece eee eeeeeeeeeeeeeeeteeaeeeees If personnel are affected fumes contamination etc treatment to be adopted N B Ant
6. idotes and special treatments may be obtained through the University Health Service ten Inform the Radiation Protection officer Dr Neil Gray 0191 246 4887 and seek immediate medical attention 0 cece eettttneeeeee Name of Assessor Status of Assessor Date Signed Name of Supervisor Date Signed for students only Head of School Date Signed DECLARATION OF SAFETY INDUCTION PROCEDURE University of Newcastle HERO Group Part 1 Labworker s copy New arrivals in the laboratory must be introduced to the safety policy by either i a lecture or ii a one to one session with a technician or member of academic staff labworker NAME oeeccccccccecsessecccecccsseesessececeseceeeesentaneees has had the safety policy explained to them Signature Of Inductor eeeceeeeeseteeseeteees member of staff I have understood the hazards and rules of the HERO Group Laboratory Retain this form for your records Declaration of Safety Induction Procedure Part 2 University Copy New arrivals in the laboratory must be introduced to the safety policy by either i a lecture or i1 a one to one session with a technician or member of academic staff TADWOrK er NAME voeeccccccececsessecccececesesesssececesecsesessssaaeess has had the safety policy explained to them Signature Of Inductor eee eeeeeeeteeeeeteeeeeees member of staff I have understood the hazards and rules of the HER
7. ly obtain the cupboard key and operating password from Jane Davis or Patrick Orme Authorised users are required at the start of every operational period to check for possible x ray leakage using the mini monitor 900 X Any counts above the following values must be reported to the RPS a Tube area not in use 5 cps b Tube area in use 300 cps c Finger trigger 10 cps All users of the XRF must read the radiation risk assessment the Local Rules and sign the declaration before being authorised to use the equipment Before leaving the university details of the site visit must be recorded in the log book This entry must be completed immediately on safe return of the machine While the XRF is in use shutters open and the external warning lights are flashing time spent immediately adjacent to the machine must be kept at a minimum Users should make exposures using the PC whenever possible During use the area within a 2 metre radius of the head is designated as controlled Operation is undertaken at arms length and must not be directed towards any persons The radiation sign must be clearly displayed during use In the event of an accident immediate medical attention must be sought and the Radiation Protection Supervisor Dr Neil Gray should be informed 0191 246 4887 The XRF should not be left unattended and in view in the vehicle If the vehicle has to be left unattended it must be securely locked in the boot
8. towards any person or the door Persons must not stand within a 2 metre radius of the tube head 7 All users of the XRF must read the radiation risk assessment the Local Rules and sign the declaration before being authorised to use the equipment 8 Any adjustment operations or machine failures which require enclosures to be removed must not be attempted These should be reported and carried out by authorised persons at Niton John Hurley T 01256 397860 or 07979595418 8 For operational instructions contact Jane Davis or Patrick Orme and refer to the user s manual List of authorised users for the XRF Authorised user Telephone number Jane Davis 4941 Patrick Orme 4942 15 cps counts per second 1 uSv h 1uGy h Assumed use WITH steel encased holder Ver 2 180907 HERO Health and Safety Specific local rules for governing the use of the Niton XLt Environmental Analyser portable XRF Field use 10 11 These Local Rules are supplementary to the University Rules for Radiation Use All users are required to refer to and follow these rules Users of this instrument are registered as designated radiation workers with the university and approved as an authorised user by the Radiation Protection Supervisor RPS Dr Neil Gray x4887 or deputy following training The XRF is locked in the cupboard in laboratory 3 7C 3 Floor Devonshire Building whilst not in use Authorised users can on
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