TY - RPRT TI - Interlaboratory study of a method for determining nonvolatile organic carbon in aquifer materials AU - M.E. Caughey AU - M.J. Barcelona AU - R.M. Powell AU - R.A. Cahill AU - C. Gron AU - D. Lawrenz AU - P.L. Meschi PY - 1995 DO - 10.1007/bf00770471 UR - https://pubs.usgs.gov/publication/70018746 ID - 70018746 ER -