MIL-PRF-32217 (W/ INTERIM AMENDMENT 1), PERFORMANCE SPECIFICATION: SCALE PREVENTION IN SEWAGE COLLECTION, HOLDING AND TRANSFER (CHT) AND VACUUM CHT (VCHT) PIPING SYSTEMS FOR USE ON NAVAL SURFACE SHIPS (27-APR-2007)

MIL-PRF-32217 (W/ INTERIM AMENDMENT 1), PERFORMANCE SPECIFICATION: SCALE PREVENTION IN SEWAGE COLLECTION, HOLDING AND TRANSFER (CHT) AND VACUUM CHT (VCHT) PIPING SYSTEMS FOR USE ON NAVAL SURFACE SHIPS (27-APR-2007)., This specification covers requirements for scale (see 6.7.5) prevention in sewage (see 6.7.7) collection, holding and transfer (CHT) and vacuum CHT (VCHT) piping systems for use on naval surface ships, including the use of scale prevention chemical products and non-chemical (physical treatment) processes and systems to prevent scale formation in shipboard collection sewage piping systems.