[Title 40 CFR 61.03]
[Code of Federal Regulations (annual edition) - July 1, 2002 Edition]
[Title 40 - PROTECTION OF ENVIRONMENT]
[Chapter I - ENVIRONMENTAL PROTECTION AGENCY]
[Subchapter C - AIR PROGRAMS (CONTINUED)]
[Part 61 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS]
[Subpart A - General Provisions]
[Sec. 61.03 - Units and abbreviations.]
[From the U.S. Government Printing Office]


40PROTECTION OF ENVIRONMENT82002-07-012002-07-01falseUnits and abbreviations.61.03Sec. 61.03PROTECTION OF ENVIRONMENTENVIRONMENTAL PROTECTION AGENCYAIR PROGRAMS (CONTINUED)NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTSGeneral Provisions
Sec. 61.03  Units and abbreviations.

    Used in this part are abbreviations and symbols of units of measure. 
These are defined as follows:
    (a) System International (SI) units of measure:


A=ampere

g=gram

Hz=hertz

J=joule

K=degree Kelvin

kg=kilogram

m=meter

m2=square meter

m \3\=cubic meter

mg=milligram=10-3gram

mm=millimeter=10-3meter

Mg=megagram=10-6gram

mol=mole

N=newton

ng=nanogram=10-9gram

nm=nanometer=10-9meter

Pa=pascal

s=second

V=volt

W=watt

[]=ohm

[mu]g=microgram=10-6gram

    (b) Other units of measure:


  deg.C=degree Celsius (centigrade)

cfm=cubic feet per minute

cc=cubic centimeter

Ci=curie

d=day

  deg.F=degree Fahrenheit

ft \2\=square feet

ft \3\=cubic feet

gal=gallon

in=inch

in Hg=inches of mercury

in H2 O=inches of water

l=liter

lb=pound

lpm=liter per minute

min=minute

ml=milliliter=10-3liter

mrem=millirem=10-3 rem

oz=ounces

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pCi=picocurie=10-12 curie

psig=pounds per square inch gage

 deg.R=degree Rankine

[mu]=microliter=10-6liter

v/v=volume per volume

yd \2\=square yards

yr=year

    (c) Chemical nomenclature:


Be=beryllium

Hg=mercury

H2 O=water

    (d) Miscellaneous:


act=actual

avg=average

I.D.=inside diameter

M=molar

N=normal

O.D.=outside diameter

%=percent

std=standard

[42 FR 51574, Sept. 29, 1977, as amended at 54 FR 51704, Dec. 15, 1989]