Laboratory Services

MASI (Mobile Analytical Services, Inc) is a full-service environmental laboratory specializing in analyses on drinking water, wastewater, storm water, solid and hazardous waste. In addition, MASI offers electronic EPA reporting, a statewide* courier service, and quick consistent turn times. With two locations to serve you and 44 years of experience, let MASI tailor services to meet your needs.

TestMethodBottlePerservativeHold TimeSpecial requirements
Alkalinity, PhenSM 2320 B250ml PlasticNon Preserved7 days
Alkalinity, StabSM 2330250ml PlasticNon Preserved7 days
Alkalinity, TotalSM 2320250ml PlasticNon Preserved7 days
BOD, 5 DaySM 5210 B250ml PlasticNon Preserved48 hours
CBOD, 5 DaySM 5210 B250ml PlasticNon Preserved48 hours
ChlorideSM 4500Cl B250ml PlasticNon Preserved7 days
Chlorine, FreeSM 4500Cl G250ml PlasticNon PreservedASAP
Chlorine, ResidualSM 4500Cl G250ml PlasticNon PreservedASAP
Chlorine, TotalSM 4500Cl G250ml PlasticNon PreservedASAP
CODSM 5220 D250ml PlasticSulfuric Acid28 days
ConductivitySM 2510 B250ml PlasticNon PreservedASAP
Cyanide, AmenableSM 4500 Cn C E250ml PlasticAscorbic Acid14 days
Cyanide, FreeSM 4500 Cn I250ml PlasticAscorbic Acid14 daysNaOH preserve at receipt
Cyanide, TotalSM 4500 Cn C E250ml PlasticAscorbic Acid14 daysNaOH preserve at receipt
Dissolved OxygenSM 4500 O G250ml PlasticNon PreservedASAP
E-ColiSM 9223 B - 18 hr100ml SterileSodium Thiosulfate8 hoursMASI Container
Fecal ColiformSM 9223 B - 18 hr100ml SterileSodium Thiosulfate8 hoursMASI Container
Fecal StrepSM 9230 C100ml SterileSodium Thiosulfate8 hoursMASI Container
Flash Point, ClosedSM 1010 / 1030Amber QtNon PreservedN/A
Flash Point, OpenSM 1010 / 1030Amber QtNon PreservedN/A
HardnessSM 2340 C250ml PlasticNitric Acid or Non preserved6 mos/14 days
MBASSM 5540 C250ml PlasticNon Preserved48 hours
Nitrate (NO3)SM 4500 NO3 F250ml PlasticNon Preserved48 hours
Nitrite (NO2)SM 4500 NO3 F250ml PlasticNon Preserved48 hours
Nitrate+NitriteSM 4500 NO3 F250ml PlasticNon Preserved48 hours
Nitrogen AmmoniaEPA 350.1250ml PlasticSulfuric Acid28 days
OdorSM 2150 BGlass Odor BtlNon PreservedASAP
pHSM 4500H+250ml PlasticNon PreservedASAP
PhenolEPA 420.1Amber QtSulfuric Acid28 days
Phosphate, OrthoSM 4500 P-E250ml PlasticNon Preserved24 hours
Phosphate, Total (PO4)SM 4500 P-E250ml PlasticSulfuric Acid28 days
Phosphorus, Total (TP)SM 4500 P-E250ml PlasticSulfuric Acid28 days
Solids, DissolvedSM 2540C250ml PlasticNon Preserved7 days
Solids, Non-VolatileSM 2540 E250ml PlasticNon Preserved7 days
Solids, PercentSM 2540 B250ml PlasticNon Preserved7 days
Solids, SuspendedSM 2540-D250ml PlasticNon Preserved7 days
Solids, TotalSM 2540 B250ml PlasticNon Preserved7 days
Solids, VolatileSM 2540 E250ml PlasticNon Preserved7 days
Solids, Volatile SuspSM 2540 E250ml PlasticNon Preserved7 days
Specific GravitySM 2710 F250ml PlasticNon Preserved7 days
Specific Oxygen UptakeSM 2710250ml PlasticNon Preserved7 days
TCLPEPA 1311250 g SampleNon PreservedN/A
THMEPA 8260/6243-40ml vialsSodium Thiosulfate7 daysTrip blanks/No Headspace
TKNEPA 351.2250ml PlasticSulfuric Acid28 days
TOCSM 5310 C3-40ml vialsPhosphoric Acid7 days
TON-NEPA 350.1+351.2250ml PlasticSulfuric Acid28 days
TTOEPA 608/624/6251L glass/3-40ml vialSodium Thiosulfate7 daysTrip blanks/No Headspace for 624
TurbiditySM 2130 B250ml PlasticNon Preserved24 hours
VOCEPA 8260/6243-40ml vialsSodium Thiosulfate7 daysTrip blanks/No Headspace
O&G HexaneEPA 1664 A / B1L AmberSulfuric Acid28 days
Low Level HgEPA 1631 ESpecial KitNon Preserved28 days
MercuryEPA 245.1250ml PlasticNitric Acid28 days
Metals **Methods ***250ml PlasticNitric Acid or Non preserved6 mos / 14 days
Chrome HexavalentSM 3500 Cr B250ml PlasticNon Preserved24 hours
Iron SuspEPA 200.7250ml PlasticNon Preserved48 hours
Mn SuspEPA 200.7250ml PlasticNon Preserved48 hours
PesticideEPA 608/80811L AmberSodium Thiosulfate7 days
HerbicideEPA 81511L AmberSodium Thiosulfate7 days
TPH GROEPA 8015 B3-40ml vialsSodium Thiosulfate7 days
TPH DROEPA 8015 B1L AmberSodium Thiosulfate7 days
PCBEPA 80821L AmberSodium Thiosulfate7 days

** Including but not limited to Al, Sb, As, Ba, Be, Cd, Ca, Cr, Cu, Fe, Pb, Mg, Hg, Mo, Ni, K, Se, Ag, Na, Tl, Zn
*** Methods: EPA 200.7 / EPA 200.9

TestMethodBottlePerservativeHold TimeTurn Time
Total Coliform MMO-MUGSM 9223-18100ml SterileSodium Thiosulfate30 hours36 hours
E-Coli MMO-MUGSM9223 B100ml SterileSodium Thiosulfate30 hours36 hours
Total Coliform Quanti TraySM9223 B-QT100ml SterileSodium Thiosulfate30 hours36 hours
Total Coliform Membrane filterSM 9222 B G100ml SterileSodium Thiosulfate30 hours96 hours
Fecal Coliform Membrane filterSM 9222 D100ml SterileSodium Thiosulfate30 hours36 hours
E.Coli Membrane filterEPA 1603100ml SterileSodium Thiosulfate30 hours96 hours
Total Plate CountSM 9215 B100ml SterileSodium Thiosulfate24 hours96 hours