Radon Mitigation >> How Does A Radon Test Work

The meanings of these terms apply specifically to the RPP. The specialized definitions noted here are used in place of those found in standard dictionaries.Accepted application: An Application that has been entered into the Program database. Acceptance date: The How Does A Radon Test Work date on which EPA completes entry of the Application into the database.

Adjusted invoice: The second invoice generated after a participant changes his/her listing. The opportunity to change listing status before paying fees will occur once a year during the invoice process. The participant is instructed not to pay fees until being re-invoiced; How Does A Radon Test Work the adjusted invoice reflects changes made and the recalculated fee. 

(See Appendix F of this Handbook for how to change your listing status outside the user fee billing process.) Amendment /Amended application: An Application that is submitted by an applicant or How Does A Radon Test Work participant that is currently enrolled into the Program for purposes of editing Application information or adding new services or analytical devices.

Analysis Reporting Form (ARF): The form on which participants record their measured value(s) for a radon measurement performance test. Analytical Measurement Services: Radon measurement services or activities, at a specific business location, How Does A Radon Test Work that include the capability to extract, read, analyze or manipulate the radon/WL data from the measurement device(s)and calculate the final concentration for the client test report. 

These capabilities include, but are not limited to,reading and recording initial and final electret voltages, How Does A Radon Test Work printing continuous monitor data tapes, recording radon or WL concentrations from a data window, or downloading the radon/WL data to a PC for test report generation.This was formerly known as a "primary" in the RMP Program. 

(See also Residential Measurement Services.)Announced test: A scheduled radon measurement performance test of mail-in or walk-in devices in an EPA radon chamber with the knowledge of the Program participant.Applicant: An organization or individual who has submitted an Application to the Radon Proficiency Program, How Does A Radon Test Work but has not yet been listed.Application: 

The document submitted to EPA by applicants to the RPP which requests participation in the Program How Does A Radon Test Work and provides important consumer contact information about the applicant. An analytical measurement services provider that applies to the RPP must submit a separate Application for each location from which it provides radon measurement services. 

Application Device Checklists: A listing of measurement devices and How Does A Radon Test Work reading/analysis equipment used to complete applications for Analytical Measurement Services. The lists include only devices that have successfully passed previous Program performance tests. The Program provides for devices to be evaluated and added to thelists as applicants or participants use them successfully in the Program.Appointment notice: 

Notice sent by the RPP Quality Assurance Coordinator (RQAC) to applicants or How Does A Radon Test Work participants who plan to test with a walk-in device. The notice informs them of the date, time and location oftheir announced performance test.Background radiation: Radiation naturally arising from sources other than the radiation source directly under consideration. 

Background radiation may be due to cosmic rays or terrestrial radio nuclides that are present in the testing environment.Becquerel (Bq): The International System (SI) unit of radioactivity equal to one disintegration per second. One picocurie equals 0.037 becquerel, How Does A Radon Test Work and 1 becquerel equals 27 picocuries. Blank Sample: A control sample in which the measurement device is unexposed and submitted for routine analysis. 

Blank samples are often used to determine detector background radiation values. Blind test: A radon measurement performance test of a participant's device(s) in an EPA radon chamber, How Does A Radon Test Work without the participant's prior knowledge. A blind test may also include evaluations of a participant's business practices,adherence to protocols, etc.

Business location: The physical location of an applicant's or participant's place of business. This information How Does A Radon Test Work must be included on the RPP Application.Calibration: Exposure of measurement devices to a known concentration of radon/radon daughter products to determine the precision, accuracy and linearity of one or more radon measurement devices.

Chain of custody procedures: Standard operating procedures which document the handling of measurement devices from sample receipt or purchase through device deployment, analyses and How Does A Radon Test Work result reports to consumers. Commercial services: Radon measurement or mitigation services offered to the public for a fee.

Condensation nuclei: Electrostatically charged particles, including dust, wax or water vapor suspended in air.These charged particles attract radon decay products, How Does A Radon Test Work keeping them suspended in the air rather than allowing themto plate-out onto other surfaces. EPA uses condensation nuclei generators in the radon test chambers to control and change the radon/radon decay product equilibrium fractions.

Consumer/Client: Any person, school, school system, business or How Does A Radon Test Work organization that receives a radon measurement or mitigation service.Contact person: The one person for each analytical measurement service provider that participates in the RPP who will be responsible for handling all communications with the Program. 

One contact person is to be named on the Application for each analytical measurement service provider location (address), How Does A Radon Test Work along with his or her position. Continuing Program requirements: The requirements of the RPP that must be satisfied on an ongoing basis to maintain a Participant's listing.Curie: A unit of radioactivity. 

One curie equals 3.7 x 10 nuclear disintegrations per second. 10 Delisting: The act of revoking a participant's EPA proficiency listing.Device; Measurement Device: A unit, How Does A Radon Test Work component or system designed to detect or measure radon gas or radon decay products. Duplicate sample: A sample taken concurrently with and in the same location as a primary sample to statistically test the precision of a measurement device. 

Measurements must be performed with identical devices. Equilibrium ratio: The ratio, How Does A Radon Test Work expressed in percent, between radon decay products (WL) and the radon gas concentration. Calculated by the following equation: Equilibrium ratio = (WL x 200)pCi/L. Same as equilibrium fraction. Exposure time: The length of time a measurement device is in contact with radon or radon decay products. 

(Also called exposure period, or How Does A Radon Test Work duration of exposure). Identification (ID) number: A unique identification number that is assigned to each applicant/participant in the Program when EPA accepts an application. Once this number is assigned, Program participants must include it on all correspondence sent to the Program.Initial Application: 

An application submitted by an applicant that has never participated in the RPP. Analytical measurement service applicants that provide analyses from more than one location are required to submit separate initial applications for each How Does A Radon Test Work location.

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