EPA Method 8250 Back Catalog number: 82522 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-24-S 2,4-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 12008.9-10MG 3-Methoxytyramine-d4 hydrochloride,neat,neat,10mg, Price on request 3309.19-100-CY Allethrin Price on request