EPA Method 525 - Perchlorinates Back Catalog number: 30029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0356.9-K-IO 5-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14315-14-1 Price on request 53136 Multi-Element Solution 4 Price on request PAH-B-CS5 PAH Calibration solution CS5, in IO/TO, 1ml Price on request