GFAA Spike Standard Back Catalog number: 53316 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79738 Chloral hydrate, 1000µg/ml in Acetonitrile, 1ml Price on request 35002R EPA Method 502.2/524.2 Volatile Standard Price on request 70023 Atrazine Price on request