PCB No. 21, 100µg/ml in Isooctane, 1ml

PCB No. 167, 100µg/ml in Isooctane, 1ml

EPA 528 rev. 1.0 Internal Standard Solution 2 200µg/mL in dichloromethane; unit: 1x5mL 2081.6 2,3,4,5-Tetrachlorophenol [4901-51-3]

Total Organic Water Pollution (WP) (Kit)