MA EPH in Soil Back Catalog number: 38175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50801 Spiking Solution #2 Price on request SC-490534 10-Hydroxybenzo[h]quinoline-7-sulfonate sodium salt, 100mg Price on request 10521.10-K-AN (±)-Nicotine-d7 (N-methyl-d3; pyridine-d4),1000 µg/mL,acetonitrile,1mL, Price on request