name range (ppm) in box
168SA Butadiene, 1,3-0.03-2.6%10
168SB Butadiene, 1,3-30-60010
168SC Butadiene, 1,3-5-100
2.5-50
10
168SE Butadiene, 1,3-0.5-10
0.1-2.0
2x5