FIVE DAY BIOCHEMICAL 7.0 OXYGEN DEMAND
guidance on equipment, supplies, ma intenance, and calibration of the DO instrument, refer to NFM 6.2.mongolia primary jaw crusher Dustrian. If the iodometric (Winkler) method of DO determination is to be used, refer to table 6.2-3 in NFM 6.2 for a list of equipment and supplies. Equipment used for BOD sampling must be thoroughly cleaned with nonphosphate detergent and rinsed