https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3325679Edit ImageSaveSaveEditCropCustom TextChemical operator removes drum lid prior to sampling residues in plant 1, the sampling plant. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 1200 x 824 px | 300 dpiLarge JPEG 2959 x 2033 px | 300 dpiFree DownloadChemical operator removes drum lid prior to sampling residues in plant 1, the sampling plant. Original public domain image from FlickrMore