EPA Method 8150A - Herbicide Methyl Esters Back Catalog number: 83511 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678348 Nitrofen, 100 µg/ml, Ethyl acetate, 1ml Price on request 0145.18-500-IO 1-Phenyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104353-06-2 Price on request 50794 Total Kjeldahl Nitrogen as N Price on request