English to Russian Medical Medical: Pharmaceuticals Примеси нитрозаминов

Добрый день! Статья по примесям нитрозаминов в лекарственных препаратах.
P.S. Писали индусы.

The various regulatory authority has published the press release or notice regarding the control of these impurities with the interim limit.

Validated analytical methods are to be used to identify and quantify these impurities hence it needs highly sensitive instrument which can detect these impurities to the trace level at given interim limit.

Можно ли перевести как временной предел?

Спасибо!