EPA Method 508 Standard Back Catalog number: 92358 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8463.3-K-W Glyphosate,1000 µg/mL,water,1mL Price on request 70818 Propargite Price on request 19096 EPA Method 602 - Purgeable Aromatics Price on request