PCB No. 8 certified, 25mg Back Catalog number: C20000800 Availability: In the manufacturer's stock Price on request - + Recommended S-4130-10ML Daily Quality Control Standard (with 3 Deuterated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane Price on request 38038 WS Haloacetic acids Price on request 19114 EPA Method 625 Base/Neutrals Mix #1 Price on request