133. A limit value set out in paragraphs 1, 2, 4 and 5 of section 130 is considered to be complied with if the following conditions are met:1° the arithmetic average of the 3 sampling results from the same sampling run performed pursuant to section 132 is lower than or equal to the limit value;
2° at least 2 of the results are lower than the limit value;
3° none of the 3 results exceeds the limit value by more than 20%.