EPA Method 8330 Analyte Back Catalog number: 79252 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9433.8-100-AN Demeton O+S Price on request 677488 D8-Ciprofloxacin hydrochloride hydrate, 100 µg/ml, Price on request 96129 Triethylene glycol Price on request