EPA Method 8141 Surrogate Standard Back Catalog number: 92387 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D431829 Dichloroacetic Acid-d2, 100mg Price on request 678422 alpha-HCH, 100 µg/ml, Acetonitrile, 5ml Price on request 54239 Sulfide (S) Price on request