Wis. Admin. Code Department of Natural Resources NR 205.04 - Abbreviations
The abbreviations listed below have the meanings shown unless otherwise specifically defined wherever they occur in chs. NR 200 to 299 and in public notices, fact sheets, and permits issued under the Wisconsin pollutant discharge elimination system.
(1) "ac" means acre.
(2) "avg" means the average for 30
days.
(3) "BAT" means best
available technology economically achievable.
(4) "BCT" means best conventional pollutant
control technology.
(5) "BOD" or
"BOD5" means the 5 day biochemical oxygen demand.
(6) "BPT" means best practicable technology
currently available.
(7) "btu"
means British thermal unit.
(8)
"cm" means centimeter.
(9) "COD"
means chemical oxygen demand.
(10)
"cu ft" means cubic foot.
(11) "cu
m" means cubic meter.
(12) "cu y"
means cubic yard.
(13) "DMR" means
discharge monitoring report.
(14)
"DNR" means department of natural resources.
(15) "DO" means dissolved oxygen.
(16) "EPA" means the U.S. environmental
protection agency.
(17) "g" means
gram.
(18) "gal" means
gallon.
(19) "gpd" means gallons
per day.
(20) "ha" means
hectare.
(21) "hp" means
horsepower.
(22) "in" means
inch.
(23) "k cu m" means 1,000
cubic meters.
(24) "kg" means
kilogram.
(25) "kkg" means 1,000
kilograms.
(26) "kw" means
kilowatt.
(27) "kwh" means kilowatt
hour.
(28) "l" means
liter.
(29) "lb" means
pound.
(30) "m" means
meter.
(31) "max" means the maximum
for any one day.
(32) "meq" or
"meq/l" means milliequivalents or milliequivalents per liter.
(33) "mg" means milligram.
(34) "MGD" or "mgd" means millions of gallons
per day.
(35) "ml" means
milliliter.
(36) "mm" means
millimeter.
(37) "mpn" or "MPN"
means most probable number.
(38)
"Mw" means megawatt.
(39) "Mwh"
means megawatt hour.
(40) "NPDES"
means the national pollutant discharge elimination system.
(40m) "NSPS" means new source performance
standards.
(41) "pH" means the
logarithm of the reciprocal of the hydrogen ion concentration or the negative
logarithm of the hydrogen ion concentration.
(42) "PCB" means polychlorinated
biphenyl.
(43) "POTW" means
publicity owned treatment work.
(43k) "PSES" means pretreatment standards for
existing sources.
(43n) "PSNS"
means pretreatment standards for new sources.
(44) "sq ft" means square foot.
(45) "sq m" means square meter.
(46) "SS" or "TSS" means total suspended
(nonfiltrable) solids.
(47) "TDS"
means total dissolved (filtrable) solids.
(48) "TOC" means total organic
carbon.
(49) "TTO" means total
toxic organics.
(50) "tpd" means
tons per day.
(51) "ug" means
micrograms.
(52) "WPDES" means the
Wisconsin pollutant discharge elimination system.
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
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