Crossword Puzzle Whale unit

Clue: Whale unit

Highway toll units (AXLES with 5 letters)
Groups of whales (e.g. GAMS with 4 letters)
Sentence units (e.g. PHRASES with 7 letters)
Whale (Norwegian) (SEI with 3 letters)
Old Spanish money unit (PESETA with 6 letters)
Intensive Care Unit, abbr. (ICU with 3 letters)
Heat unit: Abbr. (BTU with 3 letters)
Hypodermic units, for short (CCS with 3 letters)
Former state whose motto was "Workers of the world, unite!" (USSR with 4 letters)
Certain refuse units (8) (ASHHEAPS with 8 letters)