The following documents contain updates to the SW-846 Compendium. Update II added 62 new and revised methods to SW-846, updated the Abstract and Table of Contents, and updated Chapters Two, Three, and Four. This action also amended Chapter Seven of SW-846 by removing the statement that Method 9095 may be used to determine free liquid.

• Updates II and IIB Proposed Rule (PDF)(5 pp, 546 K, August 31, 1993, FRL-3981-9)
• Update IIA Proposed Rule (PDF)(32 pp, 4 MB, April 27, 1993, FRL-4596-6)