TY - RPRT TI - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of nonpurgeable suspended organic carbon by wet-chemical oxidation and infrared spectrometry AU - Mark R. Burkhardt AU - James A. Kammer AU - Virendra K. Jha AU - Peggy G. O’Mara-Lopez AU - Mark T. Woodworth PY - 1997 DO - 10.3133/ofr97380 UR - https://pubs.usgs.gov/publication/ofr97380 ID - ofr97380 ER -