Czech Metrology Institute  
Okružní 31, 638 00  Brno  
 
 
1. ------IND- 2018 0340 CZ - EN- ------ 20180803 --- --- PROJET 
Executive summary for the EC (not part of this legal regulation)  
Non-spectrometric activity and dose measuring instruments used to check for compliance with 
radiation protection or nuclear safety limits and for the measurement of emergency portable surface 
contamination measuring instruments  are placed on the market and  put into use in the Czech Republic 
pursuant to Act No 505/1990 on metrology, as amended.  
The subject of this notified regulation is to determine the metrological and technical requirements for 
these measuring instruments. The regulation also provides for  tests for type approval and verification 
purposes.  
(End of executive summary)  
 
 
Author: Mgr. Tomáš Hendrych  
Telephone: 545 555 414  
 
 
PUBLIC DECREE  
 
As the authority with substantive and territorial jurisdiction in the matter of laying down metrological 
and technical requirements for legally controlled measuring instruments and stipulating the testing 
methods for type approval and verification of legally controlled measuring instruments pursuant to § 
14(1) of Act No 505/1990, on metrology, as amended (her einafter the “Metrology Act”), and in 
accordance with the provisions of § 172 et seq. of Act No 500/2004, the Code of Administrative 
Procedure (hereinafter the “CAP”), the Czech Metrology Institute (hereinafter the “CMI”) commenced 
ex officio proceedings o n 4.4.2016 pursuant to § 46 of the CAP, and, based on supporting documents, 
issues the following:  
I. 
DRAFT GENERAL MEASUR E 
number: 0111 -OOP -C079 -16 
laying down the metrological and technical requirements for the specified measuring 
instruments, including t he testing method verification of the specified instruments:  
“Non -spectrometric activity and dose measuring instruments used to check for compliance with 
radiation protection or nuclear safety limits and for  emergency  measurement s – portable 
measuring inst ruments for surface contamination”  
 General Measure number 0111 -OOP -C079 -16 
2 1 Basic definitions  
The terms and definitions pursuant to the VIM and VIML1 as well as the following terms and 
definitions shall apply for the purposes of this General Measure:  
1.1 
non-spectrometric activity and dose measuring instruments used to check for 
compliance with radiation protection or nuclear safety limits and for the measurement 
of emergency  
radiation meters and monitors designed for direct measurement or direct detection of surface 
contamination by radionu clides emitting alpha or beta radiation and determination of the relationship to 
established limits  
1.2 
alpha and alpha/beta surface contamination meter  
a device containing one or more radiation detectors and associated devices or basic functional units 
designed to measure the alpha (or beta or alpha/beta) emission of the surface area responsible for the 
contamination of the measured surface  
1.3 
alpha and alpha/beta surface contamination monitor  
an alpha (or beta or alpha/beta) activity meter equipped with means for providing a clear warning when 
the indicated area emission input  per unit area exceeds a certain adjustable set value  
1.4 
area emission input (of a source)  
the number of particles of a given type with energy above a given threshold that emanates from the 
source area or its window per unit of time  
1.5 
source efficiency  
the ratio between the number of particles of a given type with energy above a given threshold that 
emanate from the front surface of the source or its window per unit of time (area e mission input ) and 
the number of particles of the same type produced or released in the source (for minor source) or its 
saturation layer (for a large source) per unit of time  
1.6 
high -efficiency source  
a source that has an efficiency per particle with an energy greater than 5.9 keV including backscattered 
particles greater than 0.25 (this definition applies to beta sources with a maximum energy of > 150 keV)  
1.6 
small -area source  
a source whose active surface area has a maximum linear dimension not exceedi ng 1 cm  
                                                      
1 TNI 01 0115 International Vocabulary of Metrology – Basic and General Concepts and Associated Terms 
(VIM) and International Vocabulary of Terms in Legal Metrology (VIML) are part of the technical 
harmonisation compendium “Terminology in the Area of Metrology”, which i s publicly accessible at 
www.unmz.cz.  General Measure number 0111 -OOP -C079 -16 
3 1.8 
response to area emission input  (device efficiency)  
in case of set requirements specified by the manufacturer (sensitive area of the detector, sensitive area 
of the source and distance between the source and the detector) – response to the area  emission 
(efficiency) of the detector used in conjunction with the devices, the ratio of the number of detected 
particles (for example the number of pulses per unit of time corrected in the background) to the number 
of particles of the same type emitted b y the radiation source at the same time interval (conventionally 
the value of the area emission input ) 
1.9 
sensitive area of the detector  
the detector area defined by the manufacturer where the efficiency per source with a small area is greater 
than 50% of  the maximum efficiency  
1.10 
total equivalent thickness  
the thickness usually expressed as the weight per unit of area, which particles (alpha or beta) emitted 
usually from the contaminated surface pass to achieve a sensitive volume of the detector  
1.11 
specification error  
the difference between the indicated value of the variable  and the conventionally right value of the 
variable c at the measurement point; expressed as (  – c) 
1.12 
response   
ratio of the indicated value of the monitor or meter and conventionally true value:  
cR
 (1) 
Where  is the value of the quantity measured by the test apparatus or device and c is the conventionally 
true value of this variable  
1.13 
relative specification error  I 
ratio of specification error  of the measured variable and conventional true value of the variable; may be 
expressed as a percentage  
100
ccI(%)
 (2) 
where  is the indicated value of the variable, and c is the conventionally true value of the variable at 
the point of measurem ent 
1.14 
variation coefficient V 
the ratio of the standard deviation s and the arithmetic mean of the 
x set of measurements n, given 
by the equation:  

n
iixxnxxsV
12
11 1
 (3) 
xGeneral Measure number 0111 -OOP -C079 -16 
4 1.15 
detection limit of the area emission input  per unit of area  
for a given radionuclide  
A SRDL
nucliden
) (
 (4) 
where  S(nuclide)  ........   is the response to the area emission input  (see 1.4),  
 A  ................   sensitive area of the detection device,  
 Rn  ...............   lower detection limit of pure pulse frequency  
For the lower detection limit of the pulse frequency, the following equation applies to the preselected 
time and the known background pulse frequency:  



  
n oo nttR k k R1 1) (1 1  
 (5) 
where  Ro  .........    is the pure background pulse frequency,  
  to ...........    background measure ment time,  
  tn ...........    sample measurement time,  
  k1-α ........    quantile of normal distribution for the probability of an error  of the first type,  
  k1- β ........    quantile of normal distribution for the probability of an error  of the second 
type,  
1.16 
detection device  
a device containing at least one detector  
1.17 
evaluation device  
a device showing the level of contamination  detected  
2 Metrological requirements  
2.1 Working conditions  
The working conditions of the measuring instrument are determined by the manufacturer. The 
measuring instrument must meet the metrological requirements within the specified working conditions.  
2.2 Measurement range  
The manufacturer must establish an effective measurement range  for all scales of each measured 
variable. For devices with more t han one scale for one variable, the effective measurement range s of the 
scales must overlap.  
For devices with linear scales, the effective measurement range  must be between 10% and 100% of each 
scale range.  
For devices with logarithmic scales, the effectiv e measurement range  must be from the third of the least 
significant decade to the full scale.  
For devices with digital scales, the effective measurement range  must be from the beginning of the 
second least significant digit to the full scale.  General Measure number 0111 -OOP -C079 -16 
5 2.3 Maximum p ermissible error   
The relative error  of the measured value relative to the reference radiation under reference conditions 
for the area reference radionuclide must not exceed ± 25% over the full effective range.  
2.4 Response of the measuring instrument  
2.4.1 Response of the measuring instrument to the area emission input  
Response to the area emission input  must be within ± 25% of the value specified by the manufacturer.  
2.4.2 Dependence of the response of the measuring instrument on the area emission input  to the 
source position  
The response of a device to a source with a small area located on the test surface varies according to the 
position of the source relative to the detector and the permeability of the grid.  
No response may be less than half the maximum response found in the test.  
2.4.3 Dependence of the response of the measuring instrument on the area emission input  to the 
radiation energy  
The requirement for the area emission input  specified in Article 2.4.1 must also be fulfilled for the 
different beta energies distributed as follows:  
 one energy of up to 0.2 MeV;  
 one energy of between 0.2 MeV and 0.5 MeV;  
 one energy greater than 0.5 MeV.  
2.4.4 Relative basic error  
Under rated condi tions, the relative basic error  for the associated reference radionuclide must not exceed 
the full effective measurement range  by ± 25%.  
2.5 Statistical fluctuation  
In case of repeated measurements of the standard activity source by the same gauge while ma intaining 
the same geometry, the variation coefficient must not exceed 0.2.  
2.6 Response time  
The response time must be such that , after a sudden change in the contamination measured, the indicated 
value is reached within a period of less than  7 seconds wh en the signal is increased and 10 seconds when 
the signal is reduced:  
p k p M M M  10090
 (6) 
where Mp .........   is the starting point,  
 Mk  .........   final figure.  
2.7 Overload  
For activities greater than the maximum value of the measurement range , the device indicator deviation 
must swerve off the scale at its upper end and must remain there or indicate an overload. The device 
must return to its normal state  once the overload has been rectified . General Measure number 0111 -OOP -C079 -16 
6 2.8 Start -up time  
The indicated value must reach ± 25% of the final value after one minute  after the device has been turned 
on and ± 2 0% after two minutes.  
2.9 Influence of the environment  
2.9.1 Temperature stability  
The difference between the measured values at the lower and upper limit values of the ambient operating 
temperature range may not be  
 greater than ±15%  for a temperature range from +10 °C to +35 °C for indoor use in buildings ; 
 greater than ±20%  for a temperature range from -10 °C to +40  °C for outdoor use ;  
2.9.2 Sudden temperature changes  
If the temperature changes suddenly within a period shorter than  5 minutes  
 from a temperature of +20 °C to +35 °C or from a temperature of +20 ° C to +10 ° C for indoor 
use in buildings;  
 from a temperature of +20 °C to +40  °C or from a temperature of +20 ° C to −10 ° C for outdoor 
use; 
the measured values must not change more than twice the measured values at a temperature of 20 °C.  
2.9.3 Activation at a low temperature  
After exposure to the lowest set operating temperature for 4 hours while deactivated, the  measuring 
instrument must operate as required in Article 2.9.1.  
2.9.4 Relative air humidity  
The relative air humidity range must be 40% to 85%.  
The difference in the measured value at the bottom range of relative humidity of 40% and at relative 
humidity o f the range of relative humidity of 85% must be less than ±7.5%.  
3 Technical requirements  
3.1 General  
The radiation meters and monitors consist of two parts:  
 a detector device (comprising a gas detector, a scintillation detector or a semiconductor detector, 
etc.), which can be either fixed or wired, or built into a single device;  
 an evaluation device . 
This regulation applies to:  
 alpha surface contamination meters/monitors;  
 beta surface contamination meters/monitors;  
 alpha/beta surface contamination meters/monitors;  
If the device was designed to perform combined functions, it must meet the requirements applicable to 
these different functions. If, on the other hand, it is intended to perform one function and is also capable 
of performing other function s, then it must meet the requirements for the first function and it is desirable 
that it meet the requirements for the other functions.  General Measure number 0111 -OOP -C079 -16 
7 3.2 Detection device  
The detection device must be designed in such a way that the sensing surface of the detector can be  
located in the case of alpha detectors closer than 5 mm and, in the case of beta detectors, closer than 10 
mm to the measured surface.  
If the sensitive surface of the detector is equipped with a grid, the manufacturer must give the nominal 
uncertainty cau sed by this grid. The thickness of this protective grid must be such that the shading effect 
is minimised for all input angles.  
Both the total and the sensitive areas of the detector must be indicated.  
If the detector requires a gas supply, the manufacturer must specify the required gas type and flow rate.  
3.3 Response to other ionising radiation  
The surface contamination measuring instrument must be designed to minimise the impact of other 
ionising radiation.  
3.4 Device indication  
In addition to the visual indication of the pulse frequency, an acoustic indication of the pulse frequency 
must be provided.  
The calibration controls must be protected against unauthorised adjustment.  
3.5 Display  
The data displayed by the device must be e xpressed in pulses per unit of time, or it can be used in units 
of activity or activity per unit of area.  
3.6 Mechanical shocks  
Portable devices must be capable of withstanding a mechanical shock from all directions with a peak 
acceleration of 300 m·s-2 (~30 g) in the form of 18 ms, the shape of the impact being semi -sinus.  
3.7 Electromagnetic compatibility  
3.7.1 Resistance to electrical and electromagnetic interference  
The measuring instrument must not be affected by electrical and electromagnetic interfer ence from the 
environment. After testing the electromagnetic compatibility in the laboratory, the measuring instrument 
must have a normal function.  
3.7.2 Electromagnetic field emissions  
The measuring instrument must not radiate an electromagnetic field during operation which could 
adversely affect the operation of other systems.  
3.8 Safety  
The characteristics of the measuring instrument must meet the requirements of the basic safety principles 
and the requirements of the technical regulations that the me asuring instrument is safe under the 
conditions of  its ordinary intended use.  General Measure number 0111 -OOP -C079 -16 
8 4 Marking of the measuring instrument  
4.1 Marking s on the measuring instrument  
The following information must be displayed on the measuring instrument:  
manufacturer identificatio n; 
designation of the type of measuring instrument;  
serial number of the measuring instrument;  
type approval mark;  
information on the safety of the measuring instrument.  
All labels and inscriptions must be legible, permanent , unambiguous and unchangeable  by ordinary 
means . 
4.2 Location of the official mark  
The location of the official marks must be stated in the type approval certificate .  
If possible, marks are placed on the front panel of the display unit so that they do not cover any of the 
data on the  measuring instrument.  
5 Measuring instrument  type approval  
5.1 General  
The measuring instrument type approval process includes the following tests:  
a) External inspection;  
b) Response to the area emission input ; 
c) Dependence of the response on the area emission input  to the source position  
d) Relative basic error  (linearity);  
e) Dependence of the response on the area emission input  to the radiation energy;  
f) Statistical fluctuation;  
g) Response time;  
h) Overload;  
i) Start -up time;  
j) Influence of the environment;  
k) EMC test.  
5.2 External inspection  
The external inspection assesses  
a) the completeness of the prescribed technical documentation, including the operating instructions;  
b) the conformity of the metrological and technical characteristics specified by the manufacturer in 
the doc umentation with the requirements of this regulation set out in chapters 2 and 3;  
c) the completeness and status of the functional units of the measuring instrument according to the 
prescribed technical documentation;  
d) the software version of the measuring inst rument with the version specified by the manufacturer.  General Measure number 0111 -OOP -C079 -16 
9 5.3 Functional tests  
5.3.1 Area emission input  response test  
The area emission input  response test is performed with a standard source with an area which cover s the 
entire sensitive area of the detecto r. If such a source is unavailable, a reference gauge  with an area 
smaller than the detector area must be used. In this case, the measurements must be taken at different 
points in succession so that the detector area is covered. The true value of the area emission of the 
standard source must be known with a n error  of less than ±10%.  
When testing the response to the area emission input , the result of the measurement must meet the 
requirements of Article 2.4.1.  
5.3.2 Test of the dependence of the response on the area emission input  to the source position  
The test is performed using a source with a small area. The sensitive surface of the detector must be 
divided into nearly the same areas as the dimensions as closely as possible to (25 × 25) mm. If this 
dimension cannot be fulfilled, the dimensions are chosen so that each area is the same. The radiation 
source is placed in the centre of each region and the response is measured.  
The measurement results must fulfil the requirements of Article 2.4.2.  
5.3.3 R elative basic error  (linearity) test  
For the test, a set of sources of activity of one radionuclide over the known activity and the same 
geometry must be used to cover the measurement range  of the device. For each measurement, the ratio 
of the expected value and measured value is calculated.  
The calculated deviations must meet the requirement s of Article 2.4.4.  
5.3.4 Test of the dependence of the response on the area emission input  to the ra diation energy  
The test must be carried out in accordance with Article 5.3.2 with at least three beta sources of energy 
having the maximum energy distributed as follows:  
 one energy of up to 0.2 MeV  
 one energy of between 0.2 MeV and 0.5 MeV  
 one energy up to  0.5 MeV  
The measurement results must fulfil the requirements of Article 2.4.1.  
5.3.5 Statistical fluctuation test  
The device is irradiated with a radiation source that gives an indication between one third and one half 
of the device's measurement range . At least 20 readings are performed.  
The calculated variation coefficient must fulfil the requirement in Article 2.5.  
5.3.6 Response time test  
Measurements are made for both increasing and decreasing the pulse frequency data.  
In a test with an increasing pu lse frequency, the measuring instrument is subject to a higher pulse 
frequency and Mk is recorded. The measuring instrument is then subjected to a pulse frequency, which 
should be at least ten times lower. Once the data have stabilised, Mp is will be recor ded. The change in 
frequency Mk must then be made as quickly as possible and the time taken to reach the value of the given 
relation specified  Article 2.6 must be measured.  
The decreasing pulse rate test is performed in the same manner with the  values  Mp and Mk interchanged.  General Measure number 0111 -OOP -C079 -16 
10 5.3.8 Overload test  
The test is performed by exposing the measuring instrument for 1 minute of activity at least 10 times 
higher than that corresponding to the full scale on each sub -range . It must return to its normal state 
within 5 minutes after the activity has stopped . 
5.3.9 Start -up time  
The test is carried out on a measuring instrument which has been switched off for at least 4 hours. The 
device is then irradiated with a suitable radiation source. After switching the instrument on, the value is 
read out every 5 s in the range from 20 s to 120 s.  15 minutes after activation, at least 10 readings are 
made and the mean value is used as the "final value".  
The difference between the "final value" and th e values subtracted in 60 s and 120 s must be in 
accordance with Article 2.8.  
5.3.10 Influence of the environment  
These tests are carried out in an air  conditioning chamber.  
a) Temperature stability  
The temperature is maintained at both extreme limits for at least 4 hours and measurements are 
made during the last 30 minutes of this interval.  
The measured values must comply with the requirements of Article 2.9.1.  
b) Temperature shock  
Allow the device to stabilise at +20 °C for at least 40 minutes. It is then plac ed in an ambient 
temperature of + 40 °C (or +35 °C). Measurements are made after 5 minutes and then every 15 
minutes for 2 hours. Let the temperature drop to +20 °C for 4 hours and then place the device in 
a -10 °C (+10 °C) temperature environment. The measurement is also performed at higher 
temperatures.  
The measured values must comply with the requirements of Article 2.9.2.  
c) Activation at a low temperature  
The device is placed in an environment with a temperature of -10 °C (+10 °C) for 4 hours and 
then activated.  
The device must work as in Section 2.9.1.  
d) Relative air humidity  
The test of this influencing variable is only required if it is assumed that its influence is significant.  
The test is carried out as in Section a) with the temperature maintain ed at +35 °C.  
The measured values must comply with the requirements of Article 2.9.4.  
5.4 Electromagnetic compatibility test  
EMC tests are performed with the device connected  according to the manufacturer's specifications.  
5.4.1 Resistance to electrostatic discharge  
The resistance to electrostatic discharge is tested on the device with the supplied radioactive source with 
a 6 kV contact discharge and an 8 kV air discharge. Discharges are applied to conductive surfaces.  
The maximum incorrect value indication  caused by the  electrostatic discharge must be less than 10% of 
the indicated specification . General Measure number 0111 -OOP -C079 -16 
11 5.4.2 Resistance to high -frequency electromagnetic fields  
The resistance to radiated radio frequency fields must be tested with the radio frequency so urce supplied 
in the frequency range from 80 MHz to 1,000 MHz, field strength 10 V/m. Amplitude modulation 80% 
AM/1 kHz sin.  
The maximum incorrect value indication must be less than 10% of the indicated specification.  
3.7.3 Emission (electromagnetic) radiation  
The radiation is measured using a narrow bandwidth in a shielded chamber, the antenna is located 1 
metre from the device. The wave  bandwidths for each frequency are listed in Table 1.  
Table 1 – Waveband widths  
Frequency  
(Hz) Bandwidth  
(Hz) 
1 k to 50 k  100 
50 k to 500 k  400 
500 k to 1 M  2 k 
1 M to 10 M  10 k 
10 M to 1 G  50 k 
 
The frequency and the indicated emission level when the device is switched off (background) and 
switched on . 
Radiation must be less than 0.1 V/m throughout the frequency  range.  
6 Initial verification  
6.1 General  
The following tests are performed  during initial verification : 
a) Visual inspection,  
b) Response to the area emission input , 
c) Relative basic error  (linearity),  
d) Dependence of the response on the area emission input  to the radiation energy.  
6.2 Visual inspection  
A visual inspection of the portable surface contamination measuring instruments is conducted to assess 
the following : 
a) conformity of the portable surface contamination measuring instruments  with an approved ty pe; 
b) completeness of the portable surface contamination measuring instruments  according to the type 
approval certificate;  
c) whether the individual parts of the portable surface contamination measuring instruments  are 
damaged and whether they are functioning;  General Measure number 0111 -OOP -C079 -16 
12 6.3 Functional tests  
6.3.1 Area emission input  response test  
The area emission input  response test must be carried out in the same way as for type approval pursuant 
to Article 5.3.1.  
6.3.2 Relative basic error  (linearity) test  
The relative basic error  test must be carried out in the same way as for type approval pursuant to Article 
5.3.3.  
6.3.3 Test of the dependence of the response on the area emission input  to the radiation energy  
The test of the dependence of the response on the area emission input  to the radiation energy must be 
carried out in the same way as for type approval pursuant to Article 5.3.4.  
7 Follow -up verification  
Follow -up verification is carried out in the same way as the initial verification in chapter 6.  
8 Testing of the measuring  instrument  
When testing the measuring instruments pursuant to § 11a Metrology Act, proceed according to chapter 
7 at the request of the person who may be affected by an incorrect measurement. The maximum 
permissible error s are double the maximum permissib le error s in chapter 7.  
9 Notified standards  
For the purposes of specifying the metrological and technical requirements for measuring instruments 
and specifying the testing methods for their type approval and verification arising from this General 
Measure,  the CMI shall provide notification of the Czech technical standards, other technical standards 
or technical documents of international or foreign organisations, or other technical documents 
containing more detailed technical requirements (hereinafter refe rred to as “notified standards”).  The 
CMI shall publish a list of these notified standards attached to the relevant measures, together with the 
general measure, in a manner accessible to the public (on  www.cmi.cz ). 
Complia nce with notified standards or parts thereof is considered, to the extent and under the conditions 
stipulated by a general measure, to be compliance with the requirements stipulated by this measure to 
which these standards or parts thereof apply.  
Complianc e with notified standards is one way of demonstrating compliance with the requirements. 
These requirements may also be met by using another technical solution guaranteeing an equivalent or 
higher level of protection of legitimate interests.   
 
II. 
G R O U N D S 
The CMI issues, pursuant to §  14(1)(j) of the Metrology Act, for the implementation §6(2), §  9(1) and 
(9) as well as §  11a(3) of the Metrology Act, this general measure , stipulating metrological and technical 
requirements for specified measuring instr uments and test methods during type approval and verification 
of these specified measuring instruments – "non -spectrometric activity and dose measuring instruments General Measure number 0111 -OOP -C079 -16 
13 used to check for compliance with radiation protection or nuclear safety limits and for the measurement 
of emergency portable  surface contamination measuring instrument ”. 
Decree No  345/2002 laying down measurement instruments for mandatory validation and measurement 
instruments subject to type approval, as amended, classifies the mea suring instru ments under Items  8.5, 
8.7 and 8.8 in the Annex to the Second List of Specified Measurement Instruments of the specified type 
as measurement instruments subject to type approval and mandatory verification . 
This legislation (General Measure) will be notifie d in accordance with Directive (EU) 2015/1535 of the 
European Parliament and of the Council of 9  September  2015 laying down a procedure for the provision 
of information in the field of technical regulations and of rules on Information Society services.  
 
III. 
I N S T R U C T I O N S 
 
In accordance with the provisions of § 172 (1) CAP  in conjunction with the provision of § 39 (1) CAP , 
the ČMI sets a deadline for making comments of 30 days from the date of posting on the official board. 
Comments submitted after this deadline will be disregarded.  
The persons concerned are hereby invited to comment on this general draft measure. With regard to the 
provisions of § 172 (4) CAP , comments are submitted in writing.  
In accordance with the provisions of § 174(l) CAP  in conjunction with §  37(l) CAP , it must  be clear 
who is making the comments, which general measure they address, how it contradicts legislation or how 
the general measure is inaccurate, and the signature of the person making the comment must be included.  
The supporting documents for this draft Measure of a General Nature may be consulted at the Czech 
Metrological Institute, Department of Legal Metrology, Okružní 31, 638 00 Brno, upon appointment by 
telephone.  
This general measure shall be posted for 15  days.  
 
 
 
 
 
 ...…………………………..............  
RNDr. Pavel Klenovský  
Managing Director  
 
 
Person responsible for accuracy:  Mgr. Tomáš Hendrych  
Posted on:  
Signature of the authorised person confirming posting:  ....................................................  
Removed on:   
Signature of the authorised person confirming removal:  ....................................................