Environmental

MNO

M

data qualifiers - metals analysis - M

MAC

Maximum Allowable Concentrations

MACT

Maximum Achievable Control Technology

MANOVA

Multi Variate Analysis of Variance

MAROS

Monitoring and Remediation Optimization System

MBTA

Migratory Bird Treaty Act

MCETP

Marine Corps Environmental Training Program

MCL

Maximum Contaminant Level

MCLG

Maximum Contaminant Level Goal

MCO

Marine Corps Order

MDL

Method Detection Limit

MEK

Methyl Ethyl Keytone

MESO

Marine Environmental Support Office

MF

Modifying Factor

Mg

Magnesium

mg/kg

milligrams/kilogram - equivalent to ppm

mg/kg/day

milligram/kilogram/day

mg/L (mg/l)

milligrams/liter - equivalent to ppm

MGD

Million Gallons per Day

MGP

manufactured gas plant

MHz

Megahertz

mi2

square mile

MILCON

Military Construction

MIP

membrane interface probe

mlw

mean low water

mm

millimeter

mmhos/m

millimhos/meter

MMPA

Marine Mammal Protection Act

Mn

Manganese

MNA

Monitored Natural Attenuation

MNO

Monitoring Network Optimization

MOA

Memorandum of Agreement

MOD

Modification (Contracts/Plans)

mol

mole

MOU

Memorandum of Understanding

MP

Melting Point

MPE

Multiphase Extraction

MPF

Migration Pathway Factor

MPN

Most Probable Number

MPPEH

Material Potentially Presenting an Explosive Hazard

MPRSA

Marine Protection, Research and Sanctuaries Act

MR

Munitions Response

MRL

ATSDR Minimal Risk Level

MS

Mass Spectrometry

MS

Matrix Spike

MSD

Matrix Spike Duplicate

MSDS

Material Safety Data Sheet

MSL or msl

Mean Sea Level

MSW

Municipal Solid Waste

MTBE

Methyl Tertiary Butyl Ether

MW

Molecular Weight

MW

Monitoring Well

N

data qualifiers - metals analysis - N

N

data qualifiers - organic analysis - N

N

Nitrogen

n

porosity

NA

Natural Attenuation

Na

Sodium

NAAQS

National Ambient Air Quality Standards

NABLC

Naval Amphibious Base Little Creek

NACIP

Navy Assessment and Control Of Installation Pollutants

NAEC

Naval Aviation Engineering Center

NAGPRA

Native American Graves Protection and Repatriation Act

NAPALM

Naphthene Palmitate

NAPL

Non-Aqueous Phase Liquid

NAS

Naval Air Station

NAVFAC

Naval Facilities Engineering Command

 NAVFAC Atlantic  Naval Facilities Engineering Command Atlantic
 NAVFAC Hawaii  Naval Facilities Engineering Command Hawaii
 NAVFAC MidLant  Naval Facilities Engineering Command MidAtlantic
 NAVFAC Northwest  Naval Facilities Engineering Command Northwest
 NAVFAC Pacific  Naval Facilities Engineering Command Pacific
 NAVFAC Southeast  Naval Facilities Engineering Command Southeast
 NAVFAC Southwest  Naval Facilities Engineering Command Southwest
 NAVFAC Washington  Naval Facilities Engineering Command Washington

NAVOSH

Naval Occupation Safety and Health program

NAVPHIBASE

Naval Amphibious Base

NAVSEASYSCOM

Naval Sea Systems Command

NBS

National Biological Survey

NC

data qualifiers - method (analytical) qualifier - NC

NCA

Noise Control Act

NCC

National Climatic Center

NCEA

National Center for Environmental Assessment

NCEL

Naval Civil Engineering Laboratory

NCLP

National Contract Laboratory Program

NCP

National Oil and Hazardous Substances Contingency Plan

NCP

National Oil and Hazardous Substances Pollution Contingency Plan

NCWQ

National Commission on Water Quality

ND

Non Detect

NDIR

Nondispersive Infrared Analysis

NDWAC

National Drinking Water Advisory Council

ne or nef

effective porosity for flow

NEBBS

Naval Environmental Bulletin Board System

NECIS

Naval Environmental Compliance Information System

NEDD

Naval Electronic Data Deliverable

NEESA

Naval Energy and Environmental Support Activity, now NFESC

NEHC

Navy Environmental Health Center

NELP

Navy Environmental Leadership Program

NEPA

National Environmental Policy Act

NEPDB

Naval Environmental Protection Data Base

NEPSS

Naval Environmental Protection Support Service

NERRTS

Navy Environmental Regulatory Requirements Tracking System

NESHAP

National Emission Standard for Hazardous Air Pollutants

NETTS

National Environmental Technology Test Site

NEX

Naval Exchange

NFA

No Further Action

NFESC

Naval Facilities Engineering Service Center

NFPA

National Fire Protection Association

NFRAP

No Further Response Action Planned

NH4

Ammonium

NHPA

National Historic Preservation Act

Ni

Nickel

NIOSH

National Institute for Occupational Safety and Health

NIRIS

Naval Installation Restoration Information Solution

NIST

National Institute for Standards and Technology (formerly NBS)

NJ

data qualifiers - organic analysis - NJ

NMFS

National Marine Fisheries Service (U.S. Dept. of Commerce)

NNPP

Naval Nuclear Propulsion Program

NO

Nitric Oxide

NO2

Nitrite

NO2, gaseous

Nitrogen Dioxide

NO3

Nitrate

NOAA

National Oceanic and Atmospheric Administration

NOAEL

No Observed Adverse Effect Level

NOEL

No Observed Effect Level

NOI

Notice of Intent

NOID

Notice of Intent to Delete

NON

Notice of Non-compliance

NOSC

Naval Ocean Systems Center

NOSC

Naval On-Scene Coordinator

NOV

Notice of Violation

Nox

Nitrogen Oxide

NPDES

National Pollutant Discharge Elimination System

NPL

National Priorities List

NPS

National Park Service (Dept. of Interior)

NPV

net present value

NR

data qualifiers - method (analytical) qualifier - NR

NR

Natural Resource

NRC

National Research Council

NRC

National Response Center

NRD

Natural Resources Damages

NRDA

Natural Resource Damage Assessment

NRI

Natural Resource Injury

NRT

National Response Team

NRTs

Natural Resource Trustees

NSDWR

National Secondary Drinking Water Regulations

NSF

National Science Foundation

NSY

Naval Shipyard

NTIS

National Technical Information Service

NTP

Navy Training Plan

NTR

Navy Technical Representative

NWI

National Wetland Inventory

NWIRP

Naval Weapons Industrial Reserve Plant

NWS

Naval Weapons Station

NZVI

Nanoscale Zero Valent Iron

O

Oxygen

O&M

Operations and Maintenance

O&M, MC

Operations and Maintenance, Marine Corps

O&M, N

Operations and Maintenance, Navy

O2

Oxygen Gas

O3

Ozone

OASN(I&E)

Office of the Assistant Secretary of the Navy (Installations and Environment)

OD

Outside Diameter

ODU

Old Dominion University

ODUSD(ES)

Office of the Deputy Under Secretary of Defense, Environment and Security

OERR

Office of Emergency and Remedial Response

OESO

Ordnance Environmental Support Office

OGC

Office of the General Counsel

OHW

Other Hazardous Waste

OMB

Office of Management and Budget

OMM&O

Operations, Maintenance, Monitoring, and Optimization

ONR

Office of Naval Research

OPA

Oil Pollution Act

OPM

Office of Personnel Management

ORA

Oil Reclamation Area

ORC

Oxygen Release Compound

ORD

Office of Research and Development

ORP

Oxidation-Reduction Potential

OSC

On-Scene Coordinator

OSHA

Occupational Safety and Health Act and/or Administration

OSWER

Office of Solid Waste and Emergency Response

OTI

Office of Technology Innovation

OU

Operable Unit

OVA

Organic Vapor Analyzer

OWS

Oil/Water Separator

 

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