EPA Method 8270C Mix #27 Back Catalog number: 91006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674966 Erythromycin ethylsuccinate, 100mg Price on request 3488.13-100-CY Procymidone Price on request 32251 1,1-Dichloroethene, 20mg/ml in MeOH, 1ml Price on request