EPA Method 515/8150/1658 Herbicides Back Catalog number: 31196 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12015.4-1ML Tetrahydrofuran,neat,neat,1mL, Price on request 59959 Bromide (Br-) Price on request 10229.14-100-ME Benzyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219805-81-8 Price on request