WP Total Phenolics Back Catalog number: 56136 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31029 EPA Method 525 - Perchlorinates Price on request 678426 Heptachlor, 100 µg/ml, Acetonitrile, 1ml Price on request 679893 2,4,5-Trimethylaniline, 100 µg/ml, Acetonitrile, Price on request