Airborne N-nitrosodimethylamine levels were below the LoD except in 4 of the 15 the LoD except in 4 of the 15 exposed workers from factory 1 in Central Italy,
Airborne N-nitrosodimethylaminelevels were belowthe LoD except in 4 of the 15the LoD except in 4 of the 15exposed workers from factory 1 inCentral Italy,