All herbicide mixtures and formulations will be applied according to label directions and/or to manufactures' recommendations. Under no circumstances shall herbicides be applied at rates exceeding label recommendations. Contractor must have working knowledge of herbicides and other related products. Contractor must be able to communicate and explain application operations to interested parties. Contractor must be able to immediately resolve and/or satisfy any claim associated with performing, handling, shipping, storing, or applying of herbicides associated with this on-call service contract. Contractor is fully responsible for proper off-site disposal of all chemical containers. Contractor will be responsible for locating sensitive and/or restricted non-vegetative right-of-way areas where herbicides, as specified on the manufacturer's label, should not be applied. Examples are gardens, lawns, pastures, ornamental/fruit trees, streams and wetlands, pesticide hypersensitive adjacent property owners, and organic nurseries. All spray units will be leak-proof and spill-proof. All spray equipment will be sealed so leakage will not occur from tanks, pumps, spray hose connections, etc. Any equipment found not meeting this requirement will be just cause for stopping work. Repeated failure to eliminate such leakage will be just cause for cancellation of this on- call service contract. Contractor, applicators, and employees shall, at all times while on the activity site, wear the appropriate safety clothing as well as Personal Protection Equipment (PPE) specified by label directions. Contractor will be responsible for any off target and/or chemical drift type damage.