1: Mr Stewart on the staff (3)
 3: Toothpaste brand at Target? (3)
 5: Hit essayist with flower (7)
 9: Oil favorite part up with small amount of Mazola (9)
 10: I sent out a little map (5)
 11: In no state to contain a pregnant virgin? (3)
 12: No hefty role at sea for ship-launcher (5,2,4)
 13: Articles by the uncentred Hazards - they usually indicate omissions (9)
 14: Lived down low in damp (5)
 17: Reportedly hoist Jeter of the NY Yankees (5)
 19: Giant fish, note, approaches Italian city (not capital) (9)
 22: Ever-practical, Mr. Vader keeps own little piggy (4-2-5)
 25: How to get around doing business, essentially (3)
 26: Lacking energy, no Tech win (5)
 27: Glib speech before Ms. Peron returns (9)
 28: A right given to colliery worker or sailor (7)
 29: Take Chair in university (3)
 30: Concealed hot part of psyche (3)