| NELL |
NEL Laboratories, Inc., Las Vegas, NV |
| NCLA |
North Coast Laboratories, Arcata, CA |
| NCAA |
North Creek Analytical, Anchorage, AK |
| NCAP |
North Creek Analytical, Beaverton, OR |
| NCAC |
North Creek Analytical, Bend, OR |
| NCAB |
North Creek Analytical, Bothell, WA |
| NCAS |
North Creek Analytical, Spokane, WA |
| NSEF |
North State Environmental, South San Francisco, CA |
| NSLF |
North State Labs, South San Francisco, CA |
| NWEA |
North Wind Environmental, Inc., Anchorage, AK |
| NWIF |
North Wind, Idaho Falls, ID |
| NLSC |
Northern Lake Service, Crandon, WI |
| NTL |
Northern Testing Laboratories, Anchorage, AK |
| NTLF |
Northern Testing Laboratories, Fairbanks, AK |
| NWCC |
Northwest Colorado Consultants, Inc., Steamboat Springs, CO |
| NA |
Not Applicable |
| OECS |
Oilfield Environmental and Compliance, Santa Maria, CA |
| OEIR |
OnSite Environmental, Inc., Redmond, WA |
| OTCC |
Optimal Technology, Thousand Oaks, CA |
| OCAT |
Orange Coast Analytical, Inc., Tustin, CA |
| OCWD |
Orange County Water District, Fountain Valley, CA |
| PASA |
Pace Analytical Services, Inc., Asheville, NC |
| PACB |
Pace Analytical Services, Inc., Bakersfield, CA |
| PIC |
Pace Analytical Services, Inc., Camarillo, CA |
| PACL |
Pace Analytical Services, Inc., East Longmeadow, MA |
| PASH |
Pace Analytical Services, Inc., Houston, TX |
| PASC |
Pace Analytical Services, Inc., Huntersville, NC |
| PIHB |
Pace Analytical Services, Inc., Huntington Beach, CA |
| PASI |
Pace Analytical Services, Inc., Indianapolis, IN |
| PIL |
Pace Analytical Services, Inc., Lenexa, KS |
| PIM |
Pace Analytical Services, Inc., Minneapolis, MN |
| PINY |
Pace Analytical Services, Inc., New York, NY |
| PIN |
Pace Analytical Services, Inc., Novato, CA |
| PIP |
Pace Analytical Services, Inc., Pittsburgh, PA |
| PACR |
Pace Analytical Services, Inc., Redding, CA |
| PISW |
Pace Analytical Services, Inc., Seattle, WA |
| PASN |
Pace Analytical Services, Inc., St. Rose, LA |
| PITB |
Pace Analytical Services, Inc., Tampa Bay, FL |
| PIWF |
Pace Analytical Services, Inc., Wappingers Falls, NY |
| PALA |
Pacific Analytical Laboratory, Alameda, CA |
| PAC |
Pacific Analytical, Carlsbad, CA |
| PCAS |
Pacific Coast Analytical Services, Sylmar, CA |
| PNLE |
Pacific Northwest Laboratories, Eugene, OR |
| PDMW |
Paradigm Analytical Laboratories, Wilmington, NC |
| PARA |
Paragon Analytics, Inc., CO |
| PCL |
Pat-Chem Laboratories, Moorpark, CA |
| PELF |
PEL Lab a division of Spectrum Analytical, Inc. Tampa Bay, FL |
| PALS |
Performance Analytical Laboratories, Signal Hill, CA |
| PAIS |
Performance Analytical, Inc., Simi Valley, CA |
| PLW |
Perry Laboratory, Watsonville, CA |
| PHYS |
Physis Environmental Labs, Inc., Anaheim, CA |
| PLSA |
Positive Lab Service, Los Angeles, CA |
| PAIR |
Precision Analytical, Inc., Richmond, CA |
| PETS |
Precision Enviro-Tech, Stockton, CA |
| PVRV |
ProVera, Roseville, CA |
| PTSL |
PTS Laboratories, Santa Fe Springs, CA |
| QALA |
Quality Analytical Laboratores, Inc., Montgomery, AL |
| QALC |
Quality Analytical Laboratories, Inc., Redding, CA |
| QASC |
Quantum Analytical Services Inc., Carson, CA |
| RTFA |
R.T. Frankian & Associates, Burbank, CA |
| RCHR |
RCH Research & Env. Laboratories, Inc., Rancho Dominquez, CA |
| RFWS |
Roy F. Weston, Stockton, CA |
| RFWC |
Roy F. Weston, West Chester, PA |
| RTIM |
RTI Laboratories, Inc., Livonia, MI |
| SC3S |
S-Cubed, A Division of Maxwell Laboratories, Inc., San Diego, CA |
| SACS |
Sacramento Area Sewer District, Sacramento, CA |
| SRSL |
Sacramento Regional County Sanitation District (SRCSD) Environmental Laboratory, Elk Grove, CA |
| SFAK |
Safe Food Alliance, Kingsburg, CA |
| WQLW |
San Jose Creek Water Quality Laboratory, Whittier, CA |
| SLOC |
San Luis Obispo Cnt. Eng. Dept. Environ. Lab, San Luis Obispo, CA |
| SEQM |
Sequoia Analytical Laboratories, Inc., Morgan Hill, CA |
| SEQP |
Sequoia Analytical Laboratories, Inc., Petaluma, CA |
| SEQS |
Sequoia Analytical Laboratories, Inc., Sacramento, CA |
| SEQC |
Sequoia Analytical Laboratories, Inc., San Carlos, CA |
| SEQW |
Sequoia Analytical Laboratories, Inc., Walnut Creek, CA |
| STLQ |
Severn Trent Laboratories, Amherst, NY |
| STLD |
Severn Trent Laboratories, Austin, TX |
| STLT |
Severn Trent Laboratories, Austin, TX (Quanterra) |
| STL6 |
Severn Trent Laboratories, Colchester, VT |
| STLZ |
Severn Trent Laboratories, Corpus Christi, TX |
| STLL |
Severn Trent Laboratories, Earth City, MO |
| STL2 |
Severn Trent Laboratories, Edison, NJ |
| STLH |
Severn Trent Laboratories, Houston, TX |
| STL9 |
Severn Trent Laboratories, Inc., Chicago, IL |
| STL4 |
Severn Trent Laboratories, Miramar, FL |
| STLO |
Severn Trent Laboratories, Mobile, AL |
| STLM |
Severn Trent Laboratories, Monroe, CT |
| STLJ |
Severn Trent Laboratories, N. Billerica, MA |
| STL5 |
Severn Trent Laboratories, Newburgh, NY |
| STLC |
Severn Trent Laboratories, North Canton, OH |
| STLI |
Severn Trent Laboratories, Pensacola, FL |
| STLR |
Severn Trent Laboratories, Richland, WA |
| STSF |
Severn Trent Laboratories, San Francisco, CA |
| STLG |
Severn Trent Laboratories, Savannah, GA |
| STLB |
Severn Trent Laboratories, Sparks, MD |
| STLE |
Severn Trent Laboratories, Tallahassee, FL |
| STLF |
Severn Trent Laboratories, Tampa, FL |
| STLX |
Severn Trent Laboratories, Tampa, FL (Savannah) |
| STLU |
Severn Trent Laboratories, University Park, IL |
| STLV |
Severn Trent Laboratories, Valparaiso, IN |