LEL conversions to PPM review:

LEL reading % times CF times PLEL% = ? ÷ 100 = ?% times 10,000 = ? PPM

LEL % x CF x PLEL% = ? ÷ 100 = ?% x 10,000 = ? PPM

10% x 3.4x 4% = 136 ÷ 100 = 1.36% x 10,000 = 13,600 PPM