Patent ID: 8875438

Claim:
A method of treating soil adjacent a structure, said method comprising: positioning an injection apparatus over a first injection site generally adjacent a structure, the injection apparatus including a manifold head having an internal passage, a plurality of nozzles coupled to the manifold head in fluid communication with the internal passage, and a flat contact plate having a matrix of openings arranged such that at least two of the openings are spaced from each other both longitudinally and transversely with respect to the contact plate, each opening aligned with one of the respective nozzles; injecting pesticide down into the soil at said first injection site using the injection apparatus, said injecting step being performed without penetration of the soil by the injection apparatus at said first injection site; moving the injection apparatus over a second injection site at least in part different from said first injection site and generally adjacent the structure, the injection of pesticide into the soil being ceased while moving the injection apparatus from the first injection site to the second injection site; and injecting pesticide down into the soil at said second injection site using the injection apparatus, said injecting step being performed without penetration of the soil by the injection apparatus at said second injection site.