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Glossary - C

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"Category" means one of the assigned designations that includes groups of parameters, their techniques of analysis, method references, and corresponding approved methods, for which certification is offered.

"CERCLA (CLP) Program," or "Contract Laboratory Program" means the USEPA contract program for the procurement of analytical data in support of its CERCLA program and the seven Categories for which a laboratory may obtain certification from the Department for its CERCLA programs.

"Certification" means a laboratory's status as a certified environmental laborat ory, or the document issued by the Department pursuant to N.J.A.C. 7:18-2.6, evidencing that status.

"Certification of Radon Testers and Mitigators" means N.J.A.C. 7:28-27.

"Certification year" means a one-year period beginning on July 1 of one year and ending on June 30 of the following year. A particular certification year is identified by the calendar year in which it ends. For example, certification year 1996 is the certification year ending on June 30, 1996.

"Certified environmental laboratory" means any laboratory, facility, consulting firm, government or private agency, business entity or other person that the Department has authorized pursuant to this chapter to perform analysis in accordance with the procedures of a given analytical method using a particular technique as set forth in a certain methods reference document, and to report the results from the analysis of environmental samples in compliance with a Departmental regulatory program.

"Certified radon environmental laboratory" means a radiochemical environmental laboratory that the Department has certified pursuant to this chapter to analyze samples for the presence of radon and/or radon progeny-in-air in a facility separate from the location in which the sample was taken, and that uses stationary measurement detection equipment.

"Certified radon measurement business" means a commercial business enterprise certified pursuant to N.J.A.C. 7:28-27 to sell devices and/or test for radon/radon progeny-in-air.

"Certified radon measurement specialist" means an individual certified pursuant to N.J.A.C. 7:28-27 to perform and/or evaluate radon/radon progeny-in-air measurements for a certified radon measurement business.

"Certified radon measurement technician" means an individual certified pursuant to N.J.A.C. 7:28-27 to perform radon/radon progeny-in-air measurement activities.

"Certified thermometer" means a thermometer that has documentation from the manufacturer showing that it has been calibrated against a National Institute of Standards and Technology (NIST), formerly National Bureau of Standards (NBS), thermometer for the temperature ranges employed by the environmental laboratory and the correction factors from that comparison.

"Chemical testing" means the chemical analysis and physical testing of environmental samples for inorganic and organic parameters and physical properties.

"Chronic toxicity" means, for Acute Toxicity Testing, death or other adverse impacts that affect the growth, survival, or reproductive success of an organism or its progeny after a relatively long exposure period to toxic substances. Chronic toxicity is measured using intermediate-term or long-term bioassays.

"Class 'A' glassware" means glassware satisfying the applicable requirements for Class "A" glassware established by the National Institute of Standards and Technology (formerly the National Bureau of Standards).

"Client" means the person who requests an analysis from a laboratory.

"Cold-water fishes" means, for Acute Toxicity Testing, those species of fish living and breeding in aquatic ecosystems with a maximum water temperature between 10 degrees Celsius and 16 degrees Celsius..

"Collector" means the person who collects a sample.

"Compliance analysis" means the analysis of a sample that is required by law, or by Departmental regulation or order.

"Composite sample" means a sample composed of several discrete samples combined in a known proportion. For NJPDES wastewater monitoring, a composite sample is a sample composed of several discrete samples collected at equal time intervals, or proportionally to the flow rate of the discharge.

"Confluent growth" means a bacterial growth that covers the entire filtration area of the filter with no discrete colonies when performing microbiological analysis by the membrane-filter techniques listed in Categories DW1, WP1, and SHW1. When confluent growth occurs, another sample must be obtained and analyzed using higher dilutions for the membrane-filter technique or using another approved technique.

"Contaminant or grouped-contaminants" means a specific analyte or group of analytes which are included in the general term "parameter" for the purposes of this chapter.

"Control" means, for Acute Toxicity Testing, the group of test organisms in a chamber under test conditions that are exposed to dilution water only and/or the natural water to which they are normally exposed.

"Controlling interest" means any of the following:

  1. The direct or indirect beneficial ownership, by the person asserted to have a controlling interest and any of such person's affiliates, of at least 50 percent of the voting stock or other equity interest in a person;
  2. The holding of any direct or indirect beneficial interest in at least 50 percent of the income or profits of a person, by the person asserted to have a controlling interest; or
  3. The existence of any other relationship between the person asserted to have a controlling interest and the person controlled, which relationship in fact constitutes control over the affairs of the person controlled.

"Criteria - 1986" means, for Acute Toxicity Testing, Quality Criteria for Water 1986, USEPA, Office of Water Regulations and Standards, Washington, D.C., USEPA 440/5-86-001. This reference was used to establish purity guidelines for test organism culture water in Subchapter 7, Acute Toxicity Testing.

"Custodian" means an individual, designated by the laboratory manager, trained in the proper procedures to receive samples into the environmental laboratory.


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Last Updated: July 17, 2018