# US 11,079,306 B1 · Variable soil sampling device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,079,306 B1 - Document ID: US11079306B1 - Status: Granted - Kind: B1 - Application number: 15/923,751 - Filed: 2018-03-16 - Granted: 2021-08-03 - Earliest claimed: 2017-03-17 - Assignees: Skc Co., Ltd. - Applicants: SKC Inc. - Inventors: Donald Lee Smith; Linda Coyne - Web page: https://patentgrep.com/patent/US11079306B1 ## CPC - G01N 1/2294: {Sampling soil gases or the like} - G01N 1/2214: {by sorption} - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) ## Abstract Disclosed herein is a variable soil sampling device which may be customized with respect to sampling rate and sorbent material used. Multiple variable sampling devices may be attached to each other to simultaneously sample different components or contaminants in the same time period. ## Claims ### Claim 1 A variable soil sampling device comprising: a) a first sampling body having an opening and a space where a first sorbent is placed; b) a first barrier door removably connected to the first sampling body comprising one or more holes in said first barrier door, said barrier door having a first permeability; c) a second sampling body having an opening and a space where a second sorbent is placed; d) a second barrier door removably connected to the second sampling body having a second set of one or more holes, said barrier door having a second permeability; and e) a first connector on the second sampling body that connects the second sampling body to the first sampling body, wherein the first permeability and the second permeability are different. ### Claim 2 (depends on 1) The variable soil sampling device as recited in claim 1, wherein the second sorbent is different than the first sorbent. ### Claim 3 (depends on 1) The variable soil sampling device as recited in claim 1, further comprising: a) a third sampling body having an opening and a space where a third sorbent is placed; b) a third barrier door removably connected to the third sampling body having a third set of one or more holes, said third barrier door having a third permeability; and c) a second connector on the third sampling body that connects to either the first sampling body or second sampling body. ### Claim 4 (depends on 3) The variable soil sampling device as recited in claim 3, wherein the third sorbent is different than either of the first sorbent or second sorbent. ### Claim 5 (depends on 3) The variable soil sampling device as recited in claim 3, wherein the first permeability, the second permeability, and the third permeability are different. ### Claim 6 (depends on 1) The variable soil sampling device as recited in claim 1, wherein the combined sampling body and barrier door is cylindrical. ### Claim 7 (depends on 1) The variable soil sampling device as recited claim 1, wherein the first sorbent is a sorbent material. ### Claim 8 (depends on 7) The variable soil sampling device as recited in claim 7, wherein the sorbent material is selected from the group consisting of carbon based resins and sorbents, silica-based sorbents, hydrophobic copolymer of styrene-divinylbenzene, resins based on diatomaceous earth, resins based on 2,6-diphenylene oxide, and combinations thereof. ### Claim 9 (depends on 8) The variable soil sampling device as recited in claim 8, wherein the carbon based resins and sorbents is selected form the group consisting of activated carbon, activated charcoal, graphitized carbons, carbon molecular sieves, synthetic carbon, silica treated synthetic carbon, and combinations thereof. ### Claim 10 (depends on 1) The variable soil sampling device as recited in claim 1, wherein the first sampling body and the second sampling body each have a long axis and are connected to each other end to end about said long axis. ### Claim 11 A method of sampling soil, comprising: a) providing a first sorbent and a first soil sampling device, the first soil sampling device comprising a first sampling body with a first opening and a first space; a first barrier door removably connected to the first sampling body, the first door having one or more holes and a first permeability; and at least one connector on the first sampling body that is used to connect the first sampling body to a second sampling body on a second soil sampling device; b) providing a second sorbent and the second soil sampling device, the second soil sampling device comprising the second sampling body with a second opening and a second space, a second barrier door removably connected to the second sampling body, and the second barrier door having one or more holes and a second permeability, and at least one connector on the second sampling body that is used to connect the second sampling body to the first sampling body on the first soil sampling device; c) removing said first barrier door to reveal the first space; d) inserting the first sorbent into the first space; e) replacing the first barrier door to its original position; and f) exposing the first and second soil sampling devices to soil, wherein the permeability of the first barrier door is different than the permeability of the second barrier door. ### Claim 12 (depends on 11) The method as recited in claim 11, wherein the first sorbent is different than the second sorbent. ### Claim 13 (depends on 11) The method as recited in claim 11, further comprising the step of providing a third sorbent and a third soil sampling device, the third soil sampling device comprising a third sampling body with an third opening and a third space; a third barrier door removably connected to the third sampling body, the third door having one or more holes and a third permeability; and at least one connector on the third sampling body that is used to connect the third sampling body to the second sampling body or first sampling body prior to the exposing step. ### Claim 14 (depends on 13) The method as recited in claim 13, wherein the third sorbent is different than the first sorbent or the second sorbent. ### Claim 15 (depends on 13) The method as recited in claim 13, wherein the third permeability is different than the first or second permeabilities. ### Claim 16 (depends on 11) The method as recited in claim 11, wherein the soil sampling device is cylindrical. ### Claim 17 (depends on 11) The method as recited in claim 11, wherein the first sorbent is a sorbent material. ### Claim 18 (depends on 17) The method as recited in claim 17, wherein the sorbent material is selected from the group consisting of carbon based resins and sorbents, silica-based sorbents, hydrophobic copolymer of styrene-divinylbenzene, resins based on diatomaceous earth, resins based on 2,6-diphenylene oxide, and combinations thereof. ### Claim 19 (depends on 18) The method as recited in claim 18, wherein the carbon based resins and sorbents is selected form the group consisting of activated carbon, activated charcoal, graphitized carbons, carbon molecular sieves, synthetic carbon, silica treated synthetic carbon, and combinations thereof. ### Claim 20 (depends on 11) The method of claim 11, wherein the first and second soil sampling devices each have a central long axis and are connected to each other end to end about said long axis.