TY - RPRT TI - FIELD SAMPLING PROCEDURES FOR FUEL AND MOTOR OIL QUALITY TESTING : A HANDBOOK FOR USE BY FUEL AND OIL QUALITY REGULATORY OFFICIALS AU - Butcher, Kenneth AU - Crown, Linda AU - Sefcik, David AU - Warfield, Lisa AU - Hockert, Carol PY - 2016 PB - National Institute of Standards and Technology SN - NIST HB 158 DO - 10.6028/NIST.HB.158 ER -