EPA Method 602/8020 Back Catalog number: 19197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10835.21-K-ME Quetiapine Hemifumarate Price on request 677939 Chlorpyrifos-methyl, 250mg Price on request 71744 5-(Hydroxymethyl)furfural Price on request