EPA Method 525 Internals & Surrogates Back Catalog number: 91161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9663.3-100-ME Epichlorohydrin-d5, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request S-4053-0-10T 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 MISOD (13C12)Isodrin, 1.2mL x 100ug/mL, nonane Price on request