s ▁against ▁air bor ne ▁dry ▁particul ates ▁for ▁a ▁limited ▁period . ▁( EN ▁ISO ▁ 1 3 9 8 2 - 1 ). ▁▁ ▁Type ▁ 6 : ▁Prote ct s ▁against ▁a ▁light ▁sp ray ▁of ▁liquid ▁chemical s ▁( EN ▁ 1 3 0 3 4 ). ▁More ▁or ▁less ▁equivalent ▁to ▁US ▁level ▁D . ▁▁ 1 : ▁Can ▁be ▁used ▁in ▁places ▁where ▁the ▁chemical ▁in ▁g ase ous ▁form ▁isn ' t ▁harm ful ▁to ▁the ▁body ▁exterior . ▁ ▁G OST ▁System ▁In ▁the ▁G OST ▁system ▁of ▁norm s , ▁EN ▁ 9 4 3 ▁is ▁equivalent ▁to ▁G OST ▁ 1 2 . 4 . 2 8 4 . 2 - 2 0 1 4 . ▁ ▁In ▁Brazil ▁ ▁Following ▁the ▁American ▁standards , ▁there ▁are ▁ 4 ▁different ▁types ▁of ▁su its , ▁from ▁A ▁to ▁D . ▁The ▁su its ▁are ▁known ▁to ▁the ▁Brazil ian ▁military ▁as ▁R oup a ▁Pro t et ora ▁P erme ável ▁de ▁Com b ate . ▁There ▁are ▁within ▁the ▁Brazil ian ▁military ▁several ▁special ized ▁ha z mat ▁reg iments . ▁The ▁reg iments ▁were ▁deployed ▁during ▁the ▁FIFA ▁ 2 0 1 4 ▁World ▁Cup , ▁ 2 0 1 6 ▁Summer ▁Olympics ▁in ▁Rio , ▁ ▁and ▁the ▁Cov id - 1 9 ▁pan demic . ▁ ▁Types ▁ ▁Haz mat ▁su its ▁come ▁basically ▁in ▁two ▁variations : ▁spl ash ▁protection ▁and ▁g ast ight ▁su its . ▁As