DDT AND DIELDRIN IN RIVERS: A REPORT OF THE NATIONAL  WATER QUALITY NETWORK.
As a part of the waterquality surveillance activities of the National Water Quality Network at 101 sampling stations, insecticides were identified in 38 samples from ten rivers during the period May through December 1962. Both DDT and dieldrin were identified by infrared and gas chromatographic analysis of carbon adsorption extracts.
D000407:Alabama; D002140:California; D002244:Carbon; D002623:Chemistry Techniques, Analytical; D002845:Chromatography; D003634:DDT; D004026:Dieldrin; D007259:Infrared Rays; D007306:Insecticides; D008396:Maryland; D009922:Oregon; D010414:Pennsylvania; D012106:Research; D045483:Rivers; D013022:South Carolina; D013714:Tennessee; D013781:Texas; D014861:Washington; D014876:Water Pollution; D060753:Water Quality
D007306:Insecticides; D002244:Carbon; D003634:DDT; D004026:Dieldrin
ALABAMA; CALIFORNIA; CARBON; CHEMISTRY, ANALYTICAL; CHROMATOGRAPHY; DDT; DIELDRIN; EXPERIMENTAL LAB STUDY; INFRARED RAYS; MARYLAND; OREGON; PENNSYLVANIA; SOUTH CAROLINA; TENNESSEE; TEXAS; WASHINGTON; WATER POLLUTION