(under subclass 170.29) Subject matter wherein the physical parameter or phenomenon is either (a) matter that settles to the bottom of the naturally occurring body of water or (b) soil at the bottom of the naturally occurring body of water.
SEE OR SEARCH THIS CLASS, SUBCLASS:
61.71+, for the testing of sediment other than in a naturally occurring body of water.
151+, for borehole testing, per se.
863+, for a sampler, per se; particularly, subclasses 864.65+ for a sampler which collects a sample of bottom sediment or soil underneath a body of water.
