EPA Method 8260B Purgeable Internal Standard Back Catalog number: 26013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82503 EPA Method 8250/8250A - Analytes Mix #11 Price on request L16812000CY Retene, 10µg/ml in Cycohexane, 10ml Price on request 676434 Atrazine-desethyl-desisopropyl, 100µg/ml, Acetonitril, 1ml Price on request