TABLE 1
(OAR 340-266-0070)

MINIMUM ALLOWABLE EFFECTIVE MIXING HEIGHT REQUIRED FOR BURNING BASED UPON THE CUMULATIVE HOURS OF SMOKE INTRUSION IN THE EUGENE-SPRINGFIELD AREA

Cumulative Hours of Smoke Allowable Intrusion in the Eugene-Springfield Area

Minimum Effective Mixing Height (feet)

0 - 14 No minimum
15 - 19 4,000
20 - 24 4,500
25 and greater 5,500