EPA Method 622/8140 - Analytes Back Catalog number: 93126 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73337 cis-9,12,15-Octadecatrienoic acid Price on request 15423.5-100MG Pentanoic-d9 acid (Valeric-d9 Acid), 100mg Price on request 70397 Thiourea Price on request