EPA Method 8310 Surrogate Standard Back Catalog number: 94123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680654 Diphenhydramine hydrochloride, 100mg Price on request S-4453-4K-AC ISO 9377-2MOD Quality Control Standard of Base Oil EDC 95/11 4000µg/mL in acetone, 1x1mL, 5x1mL, 10x1mL Price on request 15900-4325-100AN5 Quizalofop (free acid), 100µg/ml in AL, 5ml Price on request