ISO 18061:2014 (E) - Coronavirus 229E - TCNA
TCNA TEST REPORT NUMBER:
TCNA-0002-21
PAGE: 2 OF 4
Test Results: Results of UV irradiation test performed on “Gold - Royal Stone collection - Italcer Group”
ISO 18061 using Human Coronavirus 229E on Gold - Royal Stone collection - Italcer Group
Sample
Infectivity Titer
Exposure
Conditions
Exposure Time
Reduction under
UV exposure on
non-treated*
Reduction under UV
exposure on Gold -
Royal Stone collection
- Italcer Group *
“Gold - Royal
Stone collection
- Italcer Group”
106 TCID50/mL
UV Irradiation at
0.25 mW/cm2
15 minutes
No reduction
90%
30 minutes
No reduction
90%
1 hour
No reduction
90%
2 hours
No reduction
90%
3 hours
No reduction
90%
4 hours
No reduction
96%
6 hours
No reduction
100%
8 hours
No reduction
100%
* Reduction calculated as percentage per the initial infectivity titer inoculated on the surface of the tile sample
TCNA TEST REPORT NUMBER:
TCNA-0002-21
PAGE: 3 OF 4
Test Results: Results of Dark condition test performed on “Gold - Royal Stone collection - Italcer Group”
ISO 18061 using Human Coronavirus 229E on Gold - Royal Stone collection - Italcer Group
Sample
Infectivity Titer
Exposure
Conditions
Exposure Time
Reduction under
Dark conditions on
non-treated*
Reduction under Dark
conditions on Gold -
Royal Stone collection
- Italcer Group *
15 minutes
No reduction
No reduction
“Gold - Royal
Stone collection
- Italcer Group”
106 TCID50/mL
Dark
(no UV light)
30 minutes
No reduction
90%
1 hour
No reduction
90%
2 hours
No reduction
90%
3 hours
No reduction
90%
4 hours
No reduction
90%
6 hours
No reduction
93%
8 hours
No reduction
99%
* Reduction calculated as percentage per the initial infectivity titer inoculated on the surface of the tile sample
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