A value, normally shown as a percent of the total, showing the content of all acidic structures contained in a solution of a known product
A2
Adsorption
A value defining the adhesion in an extremely thin layer of molecules (as of gases, solutes, or liquids) to the surfaces of solid bodies or liquids with which they are in contact
A3
Ageing Time
The time taken, once a product has been initially manufactured, to come to a desired quality through undisturbed rest or curing; also, the time taken to bring to a desired use or maturity
A4
Aromatics
A value, normally shown as a percent of the total, showing the content of all molecules in a product containing at least one benzene ring
A5
Average Differential Pressure
Average difference between the upstream and downstream pressure through an orifice plate; expressed in inches of water
A6
Average Static Pressure
Pressure of the flowing gas stream; expressed in pounds per square inch
A7
Flame Projection Distance
The distance that a flame would project from an aerosol can containing the subject material if ignited
A9
Exposure
A measure of the quantity of a specified form of energy or mass coming into contact with another specified object or space
AA
Alternating Current
AB
Activation Energy
ABO
Absorbance
The negative base 10 logarithm of the ratio of the radiant power transmitted by a sample to the radiant power incident upon the sample
ABR
Abrasion
The qualitative ability of a surface to wear, grind, and rub away or to be worn away
ABS
Absorbency
The rate at which a specimen takes up liquids or the amount of liquid required to saturate the specimen
AC
Actinium
ACN
Acid Number
The quantity of base required to titrate acidic constituents present
AD
Ambient Temperature
ADH
Adhesion
The molecular attraction between two or more bodies in contact
AE
Argon
AF
Angle of Bend
AG
Americium
AGE
Inventory Age
The age of inventory from the date or time of production to the present date or time
AH
Astatine
AI
Acidity
AJ
Aim Gage
Physical dimension a producer is to ''aim'' toward producing or supplying
AK
Volatile Organic Compounds (VOCs)
Organic compounds whose existence is calculable or detectable by methods specified by the U.S. Environmental Protection Agency
ALK
Alkalinity
The quantitative capacity of aqueous media to react with hydrogen ions
ALN
Alkalinity Number
The quantity of acid required to titrate basic constituents present
ALP
Alpha-Cellulose
The average molecular chain length of pure long-chain cellulose in pulp
AMI
Amines
Content of basic compounds derived from ammonia by replacement of hydrogen by one or more univalent hydrocarbon radicals or other non-acidic organic radicals
AMW
Average Molecular Weight
The average of the sums of the weights of molecules' constituent atoms in an object which contains more than one type of molecule
AOX
Antioxidant
A substance that increases a product's oxidation resistance
AP
Average Pressure
APP
Appearance
The visible impression of an item
AS
Ash Fusion Temperature
ASH
Ash
The inorganic component of product
ASY
Assay
The quantitive determination of the amount of the major or active component of an item
AT
Additive
AVT
Average Temperature
AZ
Arbor Size
B
Billed Weight
B1
Base Number
A number that identifies the ability of a compound to react with an acid to either take up a proton from the acid or to give up unshared electrons to an acid to form a salt
B5
Octanol/Water Partition Coefficient
A scientific measure of the relative solubility of a material in octonol versus its solubility in water
BA
Barium
BB
Beryllium
BC
Billet Size
BD
Bias
BDP
Perforation Bottom Depth
The deepest depth below surface level for perforations in the well casing
BE
Boron Factor
BF
Brinell
BG
Berkelium
BH
Bromine
BHF
Bottomhole Pressure - Flowing
Fluid pressure at the deepest depth in the well bore while production is flowing from the well; measured during well testing and completion operations
BHS
Bottomhole Pressure - Shutin
Fluid pressure at the deepest depth in the well bore with the well annulus closed; measured during well testing and completion operations
BIC
Bark in Chips
The ratio of tree bark to wood chips; indicates the level of one type of contamination in production of wood pulp
BJ
Burst Index
The burst pressure of a paper or pulp sheet expressed per unit basis weight
BK
Bulk
BL
Blisters
BND
Amount Bound in Material
Amount that cannot be removed by volatilization, solvent extraction, or melting
BO
Lateral Bow (Camber)
BOR
Boiling Range
The temperatures normally used or required to bring a substance to boil at different barometric pressures
BP
Boiling Point
BQ
Breaks
BR
Brightness
BRS
Breaking Strength
The greatest longitudinal stress a substance can bear without tearing apart
BSW
Percent Bottom Sediment and Water
BT
Bursts
BU
Buckles
BUD
Bulk Density
BW
Basis Weight
C
Actual New Repeated for Combination
C1
Carbonyl
The measurement of the bivalent carbon-oxygen radical occurring in aldehydes, ketones, carboxyloic acids, esters, acid halides, and amides; also, the measurement of the compound carbonyl radical with a metal
C2
Catalyst
The measurement of any number of substances used in the production of a final product or retained in the final product that initiates a chemical reaction and enable the product to proceed under milder conditions than otherwise possible
C3
Maximum Contraction
A result from a process that measures the total contraction of a sample
CA
Caliper
CAU
Caustic Reaction Severity
The severity of chemical reaction due to caustic present as the primary reactant
CC
Celsius
CCF
Composite Corrected Factor
CD
Compression
CE
Capacitance In
CF
Capacitance Out
CG
Cadmium
CGR
Color Grayness RD
Lightness or darkness of cotton
CH
Cesium
CHA
Chemical Addition Rate
The quantity of chemical expressed by weight or volume added to manufacturing or testing process per unit of time
CHC
Concentration of Hazardous Component
CHG
Rate of Change
The increase or decrease in polarity and amount of a change per unit of time
CHL
Chlorides
Amount of chlorides in the water or brine produced from a well
CI
Curium
CIV
Cuene Intrinsic Viscosity
The average molecular weight of cellulose molecules in product
CJ
Cycle Time
CK
Californium
CL
Cladding Thickness(% of Composite Thickness)
CLA
Clarity
The clearness or transparency of an item
CM
Cures
CN
Chlorine
CO
Core Loss
COL
Color
The aspect of appearance dependent upon the wavelength of incident, reflected or transmitted, and observed light
CON
Concentration
The relative amount of a component of a sample of product containing multiple components
COR
Corrosiveness
The ability to destroy gradually by chemical reaction
COT
Content
The amount of specified material contained
CP
Crimp
CPF
Casing Pressure - Flowing
Fluid pressure within the casing, or outermost tubing used to isolate the well from the surrounding geology, while production is flowing from the well; measured during well testing and completion operations
CPS
Casing Pressure - Shutin
Fluid pressure within the casing, or outermost tubing used to isolate the well from the surrounding geology, with the well annulus closed; measured during well testing and completion operations
CQ
Cuts
CR
Crosswise Spacing
CS
Cross Section
CSC
Choke Size - Casing
The diameter of the orifice in the casing through which liquids flow
CST
Choke Size - Tubing
The diameter of the orifice in the tubing through which liquids flow
CU
Coil Curvature
CUT
Cure Time
The time required to prepare a product by chemical or physical processing for storage or use
CW
Cuttable Width
CX
Calculated Value
CY
Contamination
The yellowness of cotton; correlates with the spotted and light spotted part of the classer grade; higher values represent more yellowness
CYB
Color Yellowness (+B)
D
Destination Weight Agreement
D1
Maximum Dilatation
A result from a process that measures the total expansion of a sample
D2
Dispersing Agent
The measurement of the amount of substance that promotes the formation and stabilization of a dispersion of one substance in another
D3
Drying Agent
The measurement of the amount of substance in a product that is used to extract liquid from either the manufacture or use of a product
D4
Dry Point
A temperature measurement used in a distillation process to identify the temperature at which a product becomes dry
D5
Wear
Measure of deterioration
DA
Delta Value A
DAT
Datum Depth
Depth below ground surface at which a measurement is taken within a well
DB
Delta Value B
DC
Ductile Class
DCT
Dirt Count
The amount of visible contamination
DD
Depth of Dents
DE
Defects
DEM
De Minimis Level
A measurable level of significance below which a requirement does not apply
DF
Distance Across Flats
DG
Direct Current
DH
Dysprosium
DI
Diameter
DIR
Distillation Range
The temperature range in which a defined amount of material boils under specified conditions
DIS
Dispersion
The ease with which one substance mixes with another
DJ
Dominant Wave Length
DL
Delta Value L
DM
Dual Amplitude
DME
Dichloromethane Extract
The volatile components of pulp products
DMF
Distributed Meter Factor
DN
Density
DP
Depth
DPM
Degree of Polymerization
The average number of monomer units per polymer molecule in product
DRY
Dryness
A product specification in pulp, paper, and chemicals
DS
Distance Between Points
DT
Distance From Base Point
DU
Draw Tension
DW
Width, Boxcar Door
DWP
Dew Point
The temperature at which a vapor begins to condense
DY
Dyeability
E
Estimated New Weight
E1
End
Identifies a value measured at the end of a testing process or range of test results
EA
Elongation
EB
Edge Burr
EC
English Coil Dimensions
ED
Eddy
EE
Einsteinium
EF
Europium
EG
Equivalent Temperature
EH
Erbium
EI
Expansion
EJ
Electrical Conductivity
EL
Elasticity
The springiness or rebound of a deformed material
ELC
Exposure Ceiling: Threshold Limit Value
ELE
Elevation
ELI
Immediately Dangerous to Life and Health
A measurable level beyond which the most stringent safety measures, such as evacuation, must be taken
ELL
Explosion Limit
ELO
Occupational Safety and Health Administration (OSHA) Permissable Exposure Limit
ELP
Occupational and Safety Health Administration (OSHA) Permissible Exposure Limit Ceiling
ELS
American Conference of Government Industrial Hygienists (ACGIH) Threshold Limit Value: Short-Term Exposure
ELT
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value: Time Weighted Average
ELV
Unshielded Exposure Rate
ELW
American Industrial Hygienists Association (AIHA) Work Environment Exposure Level (WEEL)
ELX
American Industiral Hygienists Association (AIHA) Work Environmental Exposure Level (WEEL): Time Weighted Average
EM
Elmendorf Tear
EN
Entanglement
EP
Exciting Power
EVL
Evaporation Loss
The amount of material lost under specified conditions
EVR
Evaporation Rate
EW
Empty Weight
EX
Eccentricity
EXT
Extractables
Material removed by solvent extraction
F
Deficit Weight
F1
Fire Point
The measurement of the temperature at which combustion initially begins for any number of substances
FA
Fluorine
FB
Flare
FBP
Acetate Break Point
The chemical reactivity of cellulose in the acetylation process
FC
Short Cycle Flatness
FD
Frequency of Operation
FE
Fermium
FF
Francium
FG
Freezing Point
FH
Finish
FI
Filament Count
FIL
Filter Number
The filterability of a solution expressed in units combining the porosity of the filter medium and the time required for a standard volume of solution to pass through the filter at specific pressures
FIN
Fineness
Mean fiber width in micrograms per inch
FIT
Filterability
The ability of a substance to pass through a given medium under specified conditions
FJ
Face Width
The width of the oscillate wound material
FK
Fluid Consistency
Descriptor of a fluid expressed as the ratio, by weight, of total suspended solids to liquid
FL
Longitudinal Flatness
FLD
Fluid Point
The point at which the fused mass has spread out in a nearly flat layer with a maximum height of 1/16 in. (1.6 mm)
FLN
Fiber Length
Instrument method of measuring length in hundreths of an inch
FLP
Fluid Level Above Pump
The depth of well liquids above the location of a subsurface pump unit
FML
Flammability Limits
FMZ
Flammability
FN
Flatness
FNL
Fines Retained on Screen
Amount of particles in a material that is larger than a defined unit
FNS
Fines
The amount of particles in a material that are smaller than a defined limit
FOA
Foam
The dispersion of gas in a liquid or solid
FOI
Fouling Index
The result of a procedure which represents the accumulation of deposits of ash on superheater, boiler and economizer tubes
FOR
Foreign Matter
The visible contamination in a material
FP
Flashpoint
FPV
Acetate Plugging Value
The weight of a liquid that passes through a given area of filter at a constant filtration pressure before the filter becomes completely blocked or plugged; denotes the filtration quality of viscose or solutions of cellulose acetate
FQ
Frequency
FR
Flow Rate
FS
Fold Strength
FSI
Free Swelling Index
The result of a procedure regarding the caking properties of coal when burned as fuel
FT
Flange Thickness
FV
Transverse Flatness
FW
Flange Width
FX
Filler
G
Gross Weight
GA
Grain
GB
Guided Bends Root
GC
Gadolinium
GD
Gold
GE
Guided Bends Face
GEL
Gel
Viscous jelly-like material
GF
Guided Bends Side
GG
Gauge
GGR
Gas Gravity
The density of the produced gas relative to the density of air at standard temperature and pressure
GH
Gallium
GI
Grit, Brushed
The percentage of a sample of TiO2 (water dispersed) which remains on a 325 mesh screen after washing and brushing the screen and surface to break apart soft agglomerates
GIR
Gas Injection Test Rate
Volume of gas injected into the well bore during a 24-hour test period
GJ
Grit, Unbrushed
The percentage of a sample of TiO2 (water dispersed) which remains on a 325 mesh screen after washing the screen surface
GK
Tinting Strength
A measure of the hiding power of a titanium dioxide sample obtained by comparing the green (Y) reflectance of a tinted waterbased formula against that of a standard
GL
Gloss
GLE
Ground Level Elevation
The distance above sea level at a drilling site
GM
Emulsion Gloss
The 60-degree gloss of a pigment sample in a waterbased paint formula
GN
Gross to Net Conversion Factor
GO
Particle End Point
The reading on a Hegman gauge, below the fineness line, at which the population of scattered particles stops
GOR
Gas-to-Oil Ratio
A measure of the gas produced from a hydrocarbon well relative to the oil produced
GP
Group Package Separation
GQ
Scattered Particles
The number of scattered particles (visible defects) in a drawdown on a Hegman gauge between the fineness line and the particle end point
GR
Gravity
GRA
Gas Test Rate
Volume of gas produced from a well during a 24-hour test period
GRI
Graininess
The crystallinity of a substance
GS
Carbon Black Undertone
The blue/amber ratio (Z/X) of the reflectance of a paste made of titanium dioxide and carbon black; a measure of the TiO2 particle size
GT
Glass Transition Temperature
Temperature at which an amorphous material changes from a brittle to a plastic state
GW
Gross Weight, Maximum
H1
Heavies
A relative term that is used to identify the weight percent of all molecules beyond the peak identified as the molecule being tested for in a gas chromatograph result; also, all molecules that have a boiling point higher than the molecule being tested
H2O
Water Volume
HA
Hydro Pressure
HAR
Hardening Rate
HAZ
Haze
HB
Heavy Aluminas
HC
Helium
HD
High Propagation Delay Time
The time between the specified reference points on the input and output waveforms, with the output changing from the defined low level to the defined high level
HE
Heavy Silicates
HF
Hardness
HG
Heavy Sulfides
HH
Heavy Globular Oxides
HHW
Hemispherical Point
The point at which the cone has fused down to a hemispherical lump at which point the height is one half the width of the base as shown by the fourth cone
HI
Hafnium
HIB
High Boilers
The components of a mixture which boil at a higher temperature than the rest of the mixture
HJ
Holmium
HL
Heat Loss
Quantity of original thermal energy removed
HM
Height, Maximum
HO
Holes
HOC
Heat of Combustion
HP
Height of Tread Plate Pattern
HR
Height of Runners
HT
Height
HVM
Heavy Metals
The metals of atomic weight greater than sodium that form soaps of reaction with fatty acids
HWS
Softening Point
The point at which the cone has fused down to a spherical lump in which the height is equal to the width at the base
HYD
Hydroxyl Number
The alkalinity of oil, fat, wax or other substances
HZ
Hazepoint
HZC
Hazardous Component
IB
Impact Energy
IC
Incremental Distance
ID
Inside Diameter
IDE
Identification
The distinguishing characteristics of a material for verification purposes
IF
Input Low Voltage
IG
Granulated Ingot Size
IGA
Autoignition Temperature
IGR
Input Gas Rate
Volume of gas input during a 24-hour test period
IH
Input Current
II
Input Setup Time
IJ
Input Hold Time
IK
Indium
IM
Iridium
IMP
Impurities
The amount of components other than the major or active components in an item
IN
Input Low Current
The current flowing out of input when a specified low-level voltage is applied to that input
IND
Initial Deformation Point
The point at which the first rounding of the apex of the cone occurs
INS
Insolubles
The residue remaining after dissolving an item in a solvent
IO
Input High Current
The current flowing out of an input when a specified high level voltage is applied to that input
IP
Input Leakage Current
The current flowing into an input when the maximum allowed voltage is applied to that input
IPI
Primary Irritation Index
IQ
Input Clamp Diode Voltage
The most negative voltage at an input when the specified current is forced out of that input terminal
IR
Ideal Diameter
IS
Input High Voltage
IT
Interrupt Pulse Period
IU
Interrupt Setup Time
IV
Iodine
IW
Incrustation Factor
IX
Inside Diameter, Minimum
IY
Induction
Magnetic force
IZ
Ingot Pound Size
JA
Junction Temperature
KA
Knoop
KB
Krypton
KN
K&N Holdout
L
Legal Weight
L1
Lights
A relative term that is used to identify the weight percent of all molecules below the peak identified as the molecule being tested for in a gas chromatograph result; also, all molecules that have a boiling point lower than the molecule being tested
LA
Lanthanum
LB
Lithium
LC
Low Propagation Delay Time
The time between the specified reference points on the input and output waveforms, with the output changing from high level to the defined low level
LC5
Lethal Concentration, 50% (``LC-50'')
The lowest value of concentration which will result in the death of exactly one half of a given biological test population
LD
Lawrencium
LD5
Lethal Dose, 50% (``LD-50'')
The lowest value of dose which will result in the death of exactly one half of a given biological test population
LE
Lutetium
LEF
Leaf
Percentage of leaf in fiber as determined by trash count and trash area
LF
Long Fibers
LG
Leg
LIR
Liquid Injection Test Rate
Volume of liquids, such as oil, mud, and water, which are injected into the well during a 24-hour test period
LIV
Limit Intrinsic Viscosity
The percent of cellulose in a crystalline rather than amorphous form
LL
Long Leg
LM
Length, Maximum
LN
Length
LO
Long Length
LOI
Loss on Ignition
Loss (of material) that occurs when a sample is ignited
LOS
Loss on Drying
The amount of material lost after heating to a constant weight at a specified temperature
LOW
Low Boilers
The components of a mixture which boil at a lower temperature than the rest of the mixture
LP
Camber of Pattern Line
LPG
Liquified Petroleum Gas Factor
LPR
Line Pressure
Fluid pressure of the production line between the well and the separator unit or gathering line
LS
Short Leg
LSS
Linear Sheet Swelling
The increased size of a sheet of pulp when immersed in caustic during pulping
LT
Lengthwise Spacing
LTD
Liner Top Depth
Depth below the surface of the top of a liner string; liner is a tube within the casing used to separate different strata but does not extend to the surface
LW
Long Width
M
Minimum Weight (for Weight)
M1
Melt Range
A range of temperatures used to identify at what point compounds start to transform from a solid to a liquid state
M2
Maximum Differential Pressure
The largest differential pressure reading at which this device will measure the differential pressure accurately
M3
Maximum Static Pressure
Largest flowing gas pressure at which this device will measure volumes accurately
MA
Mean Average
MAT
Maturity
Swelling and compression of fiber
MB
Mendelevium
MC
Min./Max Cuttable Width
MCN
Magnetic Contamination
MD
Measurement Voltage
The reference voltage level on AC waveforms for determining AC performance
ME
Maximum Input Low Voltage
The guaranteed input low threshold
MEF
Meter Factor
MEL
Melt Time
The time between the first appearance of liquid and the total disappearance of solid
MER
Efficient Rate-Resevoir
The maximum daily oil or gas withdrawal rate from a hydrocarbon resevoir
MF
Minimum Input High Voltage
The guaranteed input high voltage
MG
Mercury
MH
Melting Point
MI
Minimum
MIC
Micronaire
Fiber fineness; the higher the value, the courser the fiber
MJ
Major Section (Stepped)
MK
Microseperometer (MSEP)
MN
Minimum Average
MO
Mottles
MOI
Moisture
The amount of water in an item
MP
Mullen Pop
MPR
Production Rate-Well
The maximum daily rate of at which oil or gas may be produced from a hydrocarbon well
MS
Minor Section (Stepped)
MT
Moisture Content
MTD
Maximum Total Depth
Total distance along the well bore to the final bottom hole location
MU
Multiplier
MUL
Mullen
The energy required to burst a sheet with one of several standard pluggers
MV
Maximum Average
MW
Molecular Weight
MX
Maximum
MY
Magnetizing Field
N
Actual Net Weight
NA
No. per Package
NB
No. per Bundle
NC
No. per Coil Group
ND
Neodymium
NEU
Neutralization Number
The quantity of acid or base required to neutralize basic or acidic constituents in a substance
NF
Neon
NG
Nobelium
NH
Number of Items per Package Label
NI
Number of Splices per Package Label
NJ
Number of Sheets per Package Label
NK
Nesting Factor
NL
No. per Lift
NM
No. Pkgs. per Master Pack
NO
Nominal (Target, Aim)
NOC
Number of Cosigners
NON
Non-Volatile Matter
The amount of residue remaining after an analytical process
NOR
Number of References
NP
Percent of Specified
NS
No. per Skid
NU
No. per Unit
O
Excess Weight Over Maximum
O1
Orifice - Inside Diameter
OA
Offset
OAP
Observed American Petroleum Institute Gravity
OB
Osmium
OBT
Observed Temperature
OC
Output Low Voltage
The maximum guaranteed low voltage at an output terminal sinking the specified load-current output low current
OCG
Oil/Condensate Gravity
Production fluid density relative to the density of water
OCR
Oil/Condensate Test Rate
Volume of oil and natural gas condensate produced during a 24-hour test period
OD
Outside Diameter
ODR
Odor
The quality of a substance that stimulates the olfactory organ
OE
Output Low Current
The current flowing into an output which is in the low state
OF
Output High Voltage
The minimum guaranteed high voltage at an output terminal for the specified output current `output high current' and at the minimum VCC value
OG
Output High Current
The leakage current flowing into a turned-off, open-collector output with a specified high output voltage applied
OH
Overhead Height, Receiving Door
OI
Output Off Current Low
The current flowing out of a disabled three-state output with a specified low output voltage applied
OIL
Oil
Liquid, slippery, viscous, relatively nonvolatile chemical
OJ
Output Off Current High
The current flowing into a disabled three-state output with a specified high output voltage applied
OK
Output Short-Circuit Current
The current flowing out of an output which is in the high state when that output is short circuit to ground
OL
Output Disable Time from Low Level of a 3-State Output
The delay time between the specified reference points on the input and output voltage waveforms with the three-state output changing from the low level to a high impedance `off' state
OM
Outside Diameter, Maximum
ON
Output Disable Time from High Level of a 3-State Output
The delay time between the specified reference points on the input and ouput voltage waveforms with three-state output changing from the high level to a high impedance `off' state
OO
Output Enable Time from Low Level of a 3-State Output
The delay time between the specified reference points on the input and output voltage waveforms with the three-state output changing from the high impedance `off' state to the low level
OP
Openness
OQ
Output Enable Time from High Level of a 3-State Output
The delay time between the specified reference points on the input and output voltage waveforms with the three-state output changing from high impedance `off' state to the high level
OR
Distance Between Outside Runners
ORC
Organic Carbon
The amount of carbon which is bonded to another carbon or hydrogen or both
OS
Open Circuits
OT
Output Delay Time
OTH
Odor Threshold
OV
Opacity
OW
Overall Width
OX
Ownership Share
OXI
Oxidizable Substance
Represents the amount of a substance that can undergo oxidation
OXS
Oxidizing Substance
A substance which removes electrons from other substances
OY
Operating Weight
PA
Package Separation
PAR
Particle Size
The diameter of solid and liquid particles
PB
Pressure
PBD
Plug Back Total Depth
Well depth after plug back operations to abandon a lower producing horizon or formation
PC
Per Hundred Linear Yards
PD
Platinum
PDE
Casing/Liner Tubing Depth
Depth to the bottom of the casing/liner string
PDG
Pump Depth from Ground
The distance from the ground surface to the subsurface pump unit
PE
Potassium
PF
Promethium
PFO
Perforation Feet Open
Linear distance of all perforations of the well casing string
PG
Polonium
PH
Pulse Setup Time
The interval immediately preceding the active transition of the timing or preceding the transition of the control input to its latching level
PHA
pH
PHW
Hardwood Fiber
The amount of threadlike, primarily cellulosic material derived from the wood portion of hardwood trees
PI
Pulse Hold Time
The interval immediately following the active transition of the timing pulse or following the transition of control input to its latching level
PIC
Pick Off
PJ
Pulse Width
The time between the specified reference points on the leading and trailing edges of a pulse
PK
Pulse Recovery Time
The time between the reference point on the trailing edge of an asynchronous input control pulse and the reference point on the activating edge of a synchronous pulse input such that the device will respond to the synchronous input
PL
Percent Defective
PM
Practice
PN
Palladium
PO
Percent of Order (-, +)
Expression of allowable variance of order expressed either as absolute (for example 92% to 110%) or relative percent (for example - 8% to + 10%)
POC
Completion
POD
Physical Description - Outer Diameter
POP
Pour Point
The lowest temperature at which an oil is observed to flow when cooled
PP
Powder/Paste Package Size
PPS
Proprietary Shade
Identifies to customers when a textile company is using the customer's proprietary shade code versus the standard industry shade code
PQ
Plutonium
PR
Praseodymium
PRF
Pressure Factor
PRL
Product Level
PRO
Processability
A rating of the ability to process
PRQ
Product Reportable Quantity
PRY
Porosity
PS
Protactinium
PSA
Percent Solution Actual
PSW
Softwood Fiber
The amount of threadlike, primarily cellulosic material derived from the wood of softwood trees
PT
Pits
PU
Pressure Base
PV
Picks
PW
Purchased Width
PWE
Physical Description - Weight
PX
Purity
PY
Percent of Water
PZ
Pipe Size Nominal
QA
Quality Index
QUR
Reportable Quantity
R
Per Unit Dunnage
R10
Relative Fraction of Pure Long-Chain Cellulose
The ratio by weight of pure long-chain and degraded cellulose to pulp where cellulose molecules of various chain lengths occur
R18
Relative Fraction of Total Cellulose
The ratio by weight of total cellulose to pulp
RA
Relative Humidity
RAD
Radius
RAF
Roof Adjustment Factor
RB
Range Value
RC
Radius of Corner
RD
Readpoint
RE
Ream Weight
REA
Reactivity
The rate at which a substance reacts or the amount of substance that reacts
RED
Reducing Substance
A substance which donates electrons to other substances
REF
Refining
The severity of mechanical processing stage expressed by the amount of energy applied and length of time product is retained within equipment
REI
Refractive Index
The ratio of the velocity of light in a vacuum to the velocity of light in the liquid
REL
Reflectance
The fraction of the total radiant flux incident upon a surface that is reflected and that varies according to the wavelength distribution of the incident variation
RES
Resistance
The property of a conductor causing electric energy to be transformed into heat; equal to the voltage across the conductor divided by the electrical current flowing in the conductor; measured in ohms
RF
Resistivity
RG
Radium
RH
Rhenium
RI
Rubidium
RJ
Rockwell-C
RK
Rockwell-B
RL
Reduction Ration
RM
RMS Range (Side 1)
RN
Required Interrupt Release
RO
Reset Pulse Width
RP
Reduction of Area
RQ
Radon
RR
Reduction Ratio
RS
RMS Range (Side 2)
RT
Rounds Ammunition/Military
RTB
Reporting Temperature Base
RU
Rhodium
RUD
Usage Deviation (Applies to Kilowatt Hours, Kilowatt Demand and Reactive Demand)
RV
Ruthenium
RVP
Reid Vapor Pressure
RW
Rolling Width
RX
Ridges
RY
Ratio
S
State Weight
S1
Smoothness
S2
Selvedge on Beam
S3
Sheffield Smoothness
S4
Surface Strength
S5
Stiffness
S6
Saturation
S7
Sediment
S8
Solubility
S9
Site Atmospheric Pressure
Ambient pressure of the metering location
S10
Pulp Impurities
The percent hemicellulose polysaccharides and degraded cellulose in pulp fibers
S12
Start
Identifies a value measured at the start of a testing process or range of test results
S18
Hemicellulose
The percent hemicellulose polysaccharides in pulp fibers
SA
Sort Code CIE LAB
SAP
Saponification Number
The number of milligrams of potassium hydroxide that is consumed by 1 gram of sample
SB
Sort Code CMC
SC
Schedule Number (Pipe Size)
SD
Strength
SE
Selvage Left
SF
Samarium
SG
Slit Width
Width into which a customer wants a material slit (cut) length wise
SH
Strontium
SHA
Shelf Life
SI
Supply Current
The current flowing into the VCC supply terminal of the circuit with specified input conditions and open outputs
SIL
Silica (Silicon Dioxide)
SJ
Short Circuits
SK
Shrinkage
SL
Short Length
SLD
Solderability
A measure of the ability of a material or component to be soldered
SLI
Slagging Index
The result of a procedure for obtaining information regarding the accumulation of ash deposits on radiant heat exchange surfaces in the furnace
SM
Shear
SN
Stain
SO
Sort Code CIE LCH
SOD
Solids
The non-volatile material remaining after an analytical process
SOF
Softening Range
The temperature range in which material without a melting point goes from a rigid to a soft condition
SP
Splinter Count
SPG
Specific Gravity
SPR
Separator Pressure
Operating pressure of the oil/water/gas separating unit
SQ
Shipped Quantity
SR
Selvage Right
SS
Silver
ST
Stop Recovery Startup Time
STA
Stability
The property of a chemical compound which is not readily decomposed and does not react with other compounds
STL
Short Term Exposure Limit
STP
Staple
Conventional method of measuring fiber lenth as pulled by hand
SU
Shipped Units
SUM
Suspended Matter
The mixture of fine, non-settling particles of a solid within a liquid or gas
SUT
Surface Tension
The force acting on the surface of a liquid which tends to minimize the area of the surface
SV
Scandium
SW
Short Width
SX
Sodium
SXX
S10 Minus S18 Value
The percent degraded cellulose in pulp fibers
SY
Service Interrupt Duration
SZ
Skid Height
T
Tare Weight
T1
Tire Pressure
T2
Tube - Inside Diameter
TA
Thickness Heavy End (Tapered/Stepped)
TAS
Taste
The chemical sense by which flavors are perceived depending on taste, tactile, and warm and cold receptors in the mouth, as well as smell receptors in the nose
TB
Thickness Small End (Tapered/Stepped)
TC
Temperature
TD
Thin Aluminas
TDP
Perforation Top Depth
The depth from the ground surface to the top, or shallowest, portion of the well casing perforations
TE
Tenacity
TEE
Autodecomposition Temperature
TES
Storage Termperature
TEX
Texture
The property of a solid substance which is dependent on the size, form, order, and grouping of the smaller parts of which it is made and the way in which these parts are united
TF
Tensile
TG
Thin Sulfides
TH
Thickness
TI
Thin Silicates
TJ
Total Supply Current
TK
Timer Pulse Width
TL
Tapered/Stepped Length Type
TM
Length Type: Multiples
TN
Timer Period
TO
Terbium
TOA
Aquatic Toxicity
TOR
Torque
A force that produces rotation or torsion
TP
Thorium
TPF
Temperature Factor
TPL
Tubing Pressure - Flowing
Fluid pressure within the inner tubing used to isolate different production streams from the surrounding well while production is flowing from the well; measured during well testing and completion operations
TPQ
Threshold Planning Quantity
TPS
Tubing Pressure - Shutin
Fluid pressure within the casing, the outermost tubing used to isolate the well from the surrounding geology, with the well annulus closed; measured during well testing and completion operations
TQ
Thin Globular Oxides
TR
Length Type: Random
TRA
Trash Area
The number of pixles dotted by trash
TRC
Trash Count
Amount of trash in the court fiber
TRN
Transmittance
The fraction of the emitted light of a given wavelength which is not reflected or absorbed but passes through a substance
TS
Length Type: Specific
TT
Time
TU
Technetium
TUR
Turbidity
The extent of cloudiness in an item in which colloidally dispersed particles are present
TV
Thallium
TVD
Maximum True Vertical Depth
Total verticle distance from a surface location directly above the bottom hole location
TX
Thulium
TY
Tear Strength
U
Weight per Unit
UA
Uranium
UCB
Cube
The external cubic dimensions of a specified product
UNI
Uniformity
The degree of uniformity of fibers in a sample
UNK
Unknowns
Substances that are quantitated but of unknown identity
VAD
Vapor Density
VAP
Vapor Pressure
VH
Height, Van Door
VIN
Vinyl
A chemical having the vinyl group CH2=CH-
VIS
Viscosity
VO
Voltage
VOL
Volume
VOT
Volatiles
The gas or vapor material given off by an item under defined conditions
VOV
Volatiles by Volume
VOW
Volatiles by Weight
VSO
Volume Split to Others
VW
Width, Van Door
WA
Weight per Unit of Area
WB
Web
WC
Web Depth/Height
WD
Width
WDE
Water Depth
The depth of the water at an offshore location; measured from sea or lake bottom to the mean tidal level
WE
Wolfram
WEL
Weight Loss
The amount of substance by weight that a material loses when subjected to specified conditions
WF
Wait Recovery Startup Time
WH
Whiteness
WL
Wall Thickness
WM
Width, Maximum
WOD
Water-Oil Distribution Coefficient
A measure of the miscibility of oil and water
WPF
Wellhead Pressure-Flowing
The pressure as measured at the wellhead of a hyrocarbon well during a flow test
WPL
Water/Product Level
WPS
Wellhead Pressure Shutin
The pressure as measured at the wellhead of a hydrocarbon well during a shutin condition
WR
Wrinkles
WRA
Water Test Rate
The volume of water produced during a 24-hour test period
WT
Weight
WTB
Water/Tank Bottom Level
WU
Weight per Unit of Length
WX
Wax Pick
X
Maximum Weight (for Rate)
XA
Xenon
XH
Side Height, Flat Bed With Removable Sides
XP
Specified
XQ
Squareness
XZ
Spool Size
YA
Yttrium
YB
Yield
YC
Ytterbium
ZAL
Aluminum
ZAS
Arsenic
ZB
Boron
ZBI
Bismuth
ZBT
N-Butane
Relative concentration of N-Butane in the gas stream being measured
ZBZ
Benzene
ZC
Carbon
ZCA
Calcium
ZCB
Columbium
ZCD
Carbon Dioxide
Relative concentration of carbon dioxide in the gas stream being measured
ZCE
Cerium
ZCO
Cobalt
ZCR
Chromium
ZCU
Copper
ZET
Ethane
Relative concentration of ethane in the gas stream being measured
ZF
Sulfate Sulfur
An oxidation product present in sulfur
ZFE
Iron
ZFL
Newspaper--Full Page
ZFS
Iron plus Silicon
ZG
Organic Sulfur
The total sulfur less the percentage sums of sulfate sulfur and pyritic sulfur
ZGE
Germanium
ZH
Hydrogen
ZHP
Heptane
Relative concentration of heptane in the gas stream being measured
ZHS
Hydrogen Sulfide
Relative concentration of hydrogen sulfide in the gas stream being measured
ZHX
Hexane
Relative concentration of hexane in the gas stream being measured
ZIB
I-Butane
Relative concentration of I-Butane in the gas stream being measured
ZIP
I-Pentane
Relative concentration of I-Pentane in the gas stream being measured
ZMG
Magnesium
ZMN
Manganese
ZMO
Molybdenum
ZMT
Methane
Relative concentration of methane in the gas stream being measured
ZN
Nitrogen
ZNB
Niobium
ZNI
Nickel
ZNP
Neo-Pentane
Relative concentration of neo-pentane in the gas stream being measured
ZO
Oxygen
ZOC
Octane
Relative concentration of octane in the gas stream being measured
ZP
Phosphorous
ZPB
Lead
ZPP
Propane
Relative concentration of propane in the gas stream being measured
ZPT
N-Pentane
Relative concentration of N-Pentane in the gas stream being measured