EPA Method 8141 Standard Back Catalog number: 93543 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79489 Vinyl chloride, 1000µg/ml in Toluene, 1ml Price on request 92457 HPLC Fermentation Standard Price on request 680990 Oxytetracycline hydrochloride, 100 µg/ml, Methano Price on request