Friday, July 15, 2011

What Do all of Those Fracronyms Mean?



°CDegrees Celsius
AAAtomic Absorption
ANSI/ASQC American National Standards Institute/American Society for Quality Control
ASQCAmerican Society for Quality Control
ASTMAmerican Society for Testing and Materials
AuditA documented investigative evaluation used to determine the degree of compliance with established procedures and guidelines, applied to specific analytical processes.
BNABase, neutral and acid
BODBiochemical Oxygen Demand
BSBlank Spike, equivalent to LFB and LCS
BTEXBenzene, toluene, ethyl benzene and xylene
CACorrective Action, the measures taken to correct a situation that is out of the control limits set by QC procedures
CALCalibration standard, a solution prepared from the dilution of stock standard solutions. The CAL solutions are used to calibrate the instrument response with respect to analyte concentration.
CARBCalifornia Air Resources Board
CASChemical Abstract Service
CATCCyanide amenable to chlorination
CCCCalibration check compound
CCVContinuing calibration verification
CFRCode of Federal Regulations
CIChemical ionization
CLPContract Laboratory Program
COCChain of Custody
CODChemical oxygen demand
CRDLContract Required Detection Limit
CVCoefficient of variation
CVAACold Vapor Atomic Absorption Spectroscopy
D/DBPDisinfectants and disinfection by-products
DissolvedThe concentration of analyte in an aqueous sample that will pass through a 0.45 um membrane filter assembly prior to sample acidification.
DLRDetection Limit for Reporting purposes, established by the California
Department of Health Services for potable water analysis.
DODissolved oxygen
DOCDemonstration of capability
DOCDissolved Organic Carbon
DOEDepartment of Energy
DOTDepartment of Transportation
DODDepartment of Defense
DQIsData Quality Indicators
DQOsData Quality Objectives
DRODiesel-range organics
ECDElectron capture detector
EDCEndocrine Disrupting Compound
EDDElectronic data deliverable
ElElectron impact ionization
ELAPEnvironmental Laboratory Accreditation Program. A program managed by the State of California, Department of Health Services for accreditation of environmental testing laboratories.
EPAUnited States Environmental Protection Agency
FIAFlow-injection analysis
FIDFlame-ionization detector
FPDFame photometric detector
GC/MSGas chromatography/mass spectrometry
GFAAGraphite Furnace Atomic Absorption Spectroscopy
GPCGel-permeation chromatography
GROGasoline-range organics
HAAHaloacetic acid
HDPEHigh Density Polyethylene
HPLCHigh Performance Liquid Chromatography
HRGCHigh Resolution Gas Chromatography
HRMSHigh Resolution Mass Spectrometry
ICIon Chromatography
IC/MS/MSIon Chromatography-Tandem Mass Spectrometry
ICAPInductively Coupled Argon Plasma Spectroscopy
ICPInductively Coupled Plasma
ICP-AESInductively Coupled Atomic Emission Spectroscopy
ICP-MSInductively coupled plasma-mass spectrometer
ICVInitial calibration verification
ICSInterference check sample
IDLInstrument Detection Limit
IECinterelement correction factor
IPCInstrument Performance Check Solution - A solution of the method analyte, used to evaluate the performance of the instrument system with respect to a defined set of method criteria.
ISEIon-selective electrode
ISO/IECInternational Standards Organization/International Electrotechnical Commission
LCLLower Control Limit
LCSLaboratory control sample, equivalent to LFB.
LC/MS/MSLiquid Chormatography-Tandem Mass Spectrometry
LDl and LD2Laboratory Duplicates - Two aliquots of the same sample taken in the laboratory and analyzed separately with identical procedures. Analyses of LD1 and LD2 indicate precision associated with laboratory procedures, but not with sample collection, preservation, or storage procedures.
LDRLinear Dynamic Range - The concentration range over which the instrument response to an analyte is linear.
LFBLaboratory Fortified Blank - An aliquot of LRB to which known quantities of the method analytes are added in the laboratory. The LFB is analyzed exactly like a sample, and its purpose is to determine whether the methodology is in control and whether the laboratory is capable of making accurate and precise measurements.
LFMLaboratory Fortified Sample Matrix (LFM) - Also known as Matrix Spike. An aliquot of an environmental sample to which a known quantity of the method analyte is added in the laboratory. The LFM is analyzed exactly like a sample, and its purpose is to determine whether the sample matrix contributes bias to the analytical results. The background concentration of the analyte in the sample matrix must be determined in a separate aliquot and the measured value in the LFM corrected for background concentration.
LIMSLaboratory information management system
LLELiquid-liquid extraction
LODLimit of detection, equivalent to MDL
LOQLimit of quantitation, equivalent to RL, PQL and MRL
LRBLaboratory Reagent Blank - An aliquot of reagent water or other blank matrices that are treated exactly as a sample including exposure to all glassware, equipment, solvents, reagents, and internal standards that are used with other samples. The LRB is used to determine if the method analyte or other interferences are present in the laboratory environment, reagents, or apparatus.
LWLLower Warning Limit
MBASMethylene Blue Active Substance
MDLMethod Detection Limit - The minimum concentration of an analyte that can be identified, measured, and reported with 99% confidence that the analyte concentration is greater than zero.
MEKMethyl ethyl ketone
MRLMethod Reporting Limit, equivalent to RL and PQL
MSMatrix spike
MSAMethod of standard additions
MSDMass-selective detector
MSDMatrix spike duplicate
MSDSMaterial Safety Data Sheet
MS/MSMultistage mass spectrometry
MTBEMethyl-tertiary-butyl ether
NELACNational Environmental Laboratory Accreditation Conference
NELAPNational Environmental Laboratory Accreditation Program
NIOSHNational Institute for Occupational Safety and Health
NISTNational Institute for Standards and Technology
NPDNitrogen-phosphorus detector
NPDESNational Pollutant Discharge Elimination System
OCPOrganochlorine pesticides
OSHAOccupational Safety and Health Administration
PAHPolynuclear Aromatic Hydrocarbons (or PNA)
PBDEPolybrominated diphenyl ethers
PBMSPerformance Based Measurement System
PCPersonal computer
PCBsPolychlorinated biphenyls
PCDDPolychlorinated dibenzo-p-dioxins
PCDFPolychlorinated dibenzofurans
PIDPhotoionization detection
PPCPPharmaceutical and Personal Care Products
PQLPractical Quantitation Limit
PTProficiency Testing
RFResponse Factor
QAQuality Assurance
QAPQuality Assurance Program
QAPPQuality Assurance Program Plan
QAPjPQuality Assurance Project Plan
QCQuality Control
QCSQuality Control Sample - A solution of the method analyte of known concentration, which is used to fortify an aliquot of LRB or sample matrix. The QCS is obtained from a source external to the laboratory and different from the source of the calibration standards. It is used to check either laboratory or instrument performance.
RLReporting limit
RPDRelative percent difference
RSDRelative standard deviation
RTRetention time
SCAQMDSouth Coast Air Quality Management District
SIInternational System of Units
SIMSelected-ion monitoring
SOCSynthetic organic chemical
SOPStandard Operating Procedure
SPCCSystem Performance Check Compounds
SPESolid-phase extraction
SPMESolid-phase microextraction
SRMStandard Reference Material
SURSurrogate compound,
SVOASemivolatile organics analysis
TCDThermal conductivity detector
TCLPToxicity Characteristic Leaching Procedure
TDSTotal dissolved solids
TEMTransmission electron microscopy
TICTentatively identified compounds
TKNTotal Kjeldahl Nitrogen
TOCTotal Organic Carbon
TOXTotal Organic Halides
TPHTotal petroleum hydrocarbon
TPH-DTotal petroleum hydrocarbons as diesel
TRPHTotal recoverable petroleum hydrocarbon
TSSTotal suspended solids
UCLUpper Control Limit
UWLUpper Warning Limit
VOAVolatile Organic Analyte
VOCVolatile organic compound(s)
WETWaste Extraction Test (California leaching test)
WETWhole effluent toxicity
WPWater Pollution Performance Evaluation Samples
WSWater Supply Performance Evaluation Samples
ZHEZero-headspace extraction

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