EPA Method 8240A - Purgeable Surr Std Back Catalog number: 20002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91516 Aroclor 1248 Price on request S-4053-0-TX5 Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K Price on request S-4334-ASS-10ME VOC/PAH/Tributylphosphate Mixture 1350,1 Chloroform 500 mg/L 1351,2 1,1,1-Trichloroethane 200 mg/L 2308,8 2-Ethyl-1-hexanol 200mg/L 1300,6 Benzene 100mg/L 1 Price on request