EPA Method 526 Surrogate Standard Back Catalog number: 93187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1330.22-10MG Dibenz[a,h]anthracene-d14, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 13250-98-1 Price on request 30082 EPA Method 507/525 Analyte Mix #1 Price on request 50404 Sulfate (SO4-2) Price on request