EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended GA09000914AC Pesticides Surrogate Standard Spiking Solution, 200µg/mL in Acetone, 1ml Price on request Y0000054 Alprostadil CRS, 25mg Price on request 675820 Oleoyl ethanolamide, 10mg Price on request