EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675518 DNOC, 250mg Price on request 679589 Triflupromazine hydrochloride, 100mg Price on request 9343.6-K-ME (S)-(-)-3-Chloro-1,2-propandiol acetonoide, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 60456-22-6 Price on request