Ag H.O. #1*

Operating a tractor of over 20 PTO (Power-Take-Off) horsepower, or connecting or disconnecting implements or parts to such a tractor.

Ag H.O. #2*

Operating or helping to operate any of the following machines (operating includes starting, stopping, adjusting, or feeding the machine or any other  activity involving physical contact with the machine):

(a) Corn picker, cotton picker, grain combine, hay mower, forage harvester, hay baler, potato digger, or mobile pea viner;
(b) Feed grinder, crop dryer, forage blower, auger conveyor, or the unloading mechanism of a non-gravity-type self-unloading wagon or trailer; or,
(c) Power post-hole digger, power post driver, or nonwalking-type rotary tiller.

Ag H.O. #3*

Operating, or assisting to operate any of the following machines (operating includes starting, stopping, adjusting, or feeding the machine, or any other activity involving physical contact with the machine):

(a) Trencher or earthmoving equipment;
(b) Fork lift;
(c) Potato combine; or,
(d) Power-driven circular, band, or chain saw.

Ag H.O. #4*

Working on a farm in a yard, pen, or stall occupied by a:

(a) Bull, boar, or stud horse maintained for breeding purposes; or
(b) Sow with suckling pigs, or cow with newborn calf with umbilical cord present.

Ag H.O. #5*

Loading, unloading, felling, bucking, or skidding timber with a butt (large end) diameter of more than 6 inches.

Ag H.O. #6*

Working from a ladder or scaffold at a height of over 20 feet (working includes painting, repairing, or building structures, pruning trees, picking fruit, etc.).

Ag H.O. #7

Driving a bus, truck, or automobile when transporting passengers, or riding on a tractor as a passenger or helper.

Ag H.O. #8

Working inside:
(a) A fruit, forage (feed), or grain storage structure designed to retain an oxygen deficient or toxic atmosphere - for example, a silo where fruit is left to ferment;
(b) An upright silo within 2 weeks after silage (fodder) has been added or when a top unloading device is in operating position;
(c) A manure pit; or,
(d) A horizontal silo while operating a tractor for packing purposes.

Ag H.O. #9

Handling or applying agricultural chemicals if the chemicals are classified under the Federal Insecticide, Fungicide and Rodenticide Act as Toxicity Category I -- identified by the word "Danger" and/or "Poison" with skull and crossbones; or Toxicity Category II -- identified by the word "Warning" on the label. (Handling includes cleaning or decontaminating equipment, disposing of or returning empty containers, or serving as a flagman for aircraft applying agricultural chemicals.)

Ag H.O. #10

Handling or using a blasting agent including, but not limited to dynamite, black powder, sensitized ammonium nitrate, blasting caps and primer cord.

Ag H.O. #11

Transporting, transferring, moving, or applying anhydrous ammonia (dry fertilizer).