EPA Method 200.8 Internal Standard Back Catalog number: 56332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673490 Bromopropylate, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 673248 Demeton-S-methyl-sulfone, 10.0 µg/ml, Acetonitril Price on request 684232 N-Nitrosomorpholine, 100µg/ml in MeOH, 5ml Price on request