Method 515.3LPC Standard Conc Back Catalog number: 97423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679659 delta-HCH, 10.0 µg/ml, Cyclohexane, 10ml Price on request C10537700 Benzoic acid-benzyl ester, certified, 0.5g Price on request 93970 EPA Method 632 Spike Standard Price on request