The Minnesota Pollution Control Agency has found half the ten feedlots it tested in the past two weeks exceed state standards for hydrogen sulfide, a toxic gas. State Agriculture Commissioner Gene Hugoson says the test results are unsettling, but factors such as wind, weather, livestock feed and water, could have influenced the outcome: Minnesota Agriculture Commissioner, Gene Hugoson. Sun 28-MAY 11:25:05 MPR NewsPro Archive - Wed 04/11/2001