Gas chromatography-mass spectrometry analysis of environmental sample AD27826 conducted on January 3, 2002, detecting unknown compounds and 2,4-DDD surrogate standard.
1 shared topics · Same agency, volume and box · similarity 0.999
Gas chromatography-mass spectrometry analysis of sample AD24482 completed November 13, 2001, identifying other unknown compounds with violations referenced in comments.
Gas chromatography-mass spectrometry analysis of environmental sample AD27826 conducted on January 3, 2002, detecting unknown compounds and 2,4-DDD surrogate standard.