STEICO_IBR_Expert_Report

Expert report no. 3020 - 1092
Page 11 of 19
Stop criteria: The test can be terminated no sooner than 7 days after loading, if the determined
values are less than half the requirements for the 28-day values and there is no significant in-
crease in the concentration of individual substances compared to the measurement on the 3
rd
day.
Evaluation criteria for test performance after 3 days:
▪ Cumulative TVOC value (TVOC
3
) ≤ 10 mg/m³
▪ CMR substances ≤ 0.01 mg/m³ as individual substances
Evaluation criteria for test performance after 7 days:
▪ Review of the results as above to determine whether the stop criteria are met.
Evaluation criteria for test performance after 28 days:
▪ Cumulative TVOC value (TVOC
28
) ≤ 1.0 mg/m³
▪ Cumulative value SVOC
28
≤ 0.1 mg/m³
▪ CMR substances ≤ 0.001 mg/m³ as individual substances
▪ A sensory test is performed as well.
▪ All CAS numbers are specified when reporting on the individual substance evaluations.
▪ VOCs according to the NIK list are incorporated in the evaluation with a detection limit of 5
μg/m³.
▪ For the VOC evaluation according to the NIK list, the ratio Ri is used with R
i
= C
i
/ NIK
i
where it
can be assumed that there is no effect when R
i
does not exceed the value 1.
If several compounds with concentrations over 5 μg/m³ are identified, the cumulation of the ef-
fects is assumes. This circumstance is represented by the cumulative value R: Where
R Cumulative value Ri of the individual measurements from the quotient total R
i
= ∑ C
i
/ NIK
i
C
i
Substance concentration in the test chamber air
R
i
Individual measurement
With the condition R > 1, the product is rejected according to the AgBB requirements.
In order to avoid having a product classified as harmless even though it emits larger amounts of
VOCs that cannot be evaluated, a quantity limit is established for non-identifiable VOCs or those
without a NIK value which, for the cumulative value, makes up 10 % of the allowable TVOC val-
ue. A product meets the criteria if the VOCs that cannot be evaluated with a concentration of
0.005 mg/m³ and up do not exceed 0.1 mg/m³ in total.
Significantly higher values lead to rejection according to the AgBB requirements.
Further details are found in the current information of the Federal Environmental Agency
www.umweltbundesamt.de on the health assessment of VOC emissions from building products.