What was found
DEPARTING SLC, APPROXIMATELY 1500 AGL, CABIN FILLED WITH SMOKE, INCLUDING COCKPIT. DONNED MASKS, COMPLETED QRH PROCEDURE FOR SMOKE. SECURED BLEEDS AND PACKS AND AFTER 5 MINUTES SMOKE DISSIPATED. SMELLED LIKE GLYCOL; HOWEVER, IT FILLED THE PLANE QUICKLY - DENSE. RETURNED TO SLC. RAN AIRCRAFT WITH BLEED OPEN AND ON HIGH LEVEL UNTIL GLYCOL WAS CLEANED OUT. NO FURTHER SMOKE OR OTHER DISCREPANCIES.