Placement of scrap: [a scrap piece of ...] vs [a piece of scrap ...]

(1) I need to jot down some notes about his workshop on healthy eating. May I borrow a scrap piece of paper from you?

(2) I need to jot down some notes about his workshop on healthy eating. May I borrow a piece of scrap paper from you?

Which position of the word, "scrap", is correct? Thank you for your help.