Reduce Helium Consumption by Using Nitrogen Purge Gas for VOCs in Drinking Water

Hazardous waste and waste water laboratories have been saving helium and money using nitrogen as a purge gas for quite a while when performing EPA Methods 8260 and 624 respectively. Until recently, this has not been an option for EPA Method 524, the measurement of purgeable organics in drinking water. I know many drinking water … Continue reading Reduce Helium Consumption by Using Nitrogen Purge Gas for VOCs in Drinking Water