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Tests & Methods

General Tests/Methods Guidelines:

  • Sample container recommendation based on single sample collection, QC requirements not included
  • Samples should be kept cool at all times (4ºC)
  • Do not overfill preserved sample containers, chemical burns may result
  • For chain of custody form, please visit the Resources page

Solids

Analysis Method Container Preservative Holding Time
BTEX 8260A 4oz.,Glass Cool, 4ºC 14 Days
Chlorinated Herbicides 8151 4oz.,Glass Cool, 4ºC 14/40 Days
Chromium, Hexavalent 7196A 4oz.,Glass 28 Days
Cyanides, Reactive 7.3.3.2 4oz.,Glass Cool, 4ºC 14 Days
Cyanides, Total 9010C 4oz.,Glass Cool, 4ºC 14 Days
Ignitability 1030 4oz.,Glass 14 Days
Metals 6010B/7471B 4oz.,Glass 6 Months
Paint Filter 9095 4oz.,Glass 7 Days
PCBs 8082A 4oz.,Glass Cool, 4ºC 6 Months
Pesticides, Chlorinated 8081B 4oz.,Glass Cool, 4ºC 14/40 Days
pH (corrosivity) 9045C 2oz.,Glass
Phenol 8270C 4oz.,Glass Cool, 4ºC 14/40 Days
Phenolics SM5530 E&D 4oz.,Glass Cool, 4ºC 28 Days
Polynuclear Aromatic Hydrocarbons 8270C 4oz.,Glass Cool, 4ºC 14/40 Days
Semi-Volatile Organics 8270C 4oz.,Glass Cool, 4ºC 14/40 Days
Sulfide – Reactive 7.3.4.2 4oz.,Glass 14 Days
Total Organic Carbon Walkley Black 4oz.,Glass Cool, 4ºC 28 Days
Volatile Organics 8260A 4oz.,Glass Cool, 4ºC 14 Days

Liquids

Analysis Method Container Preservative Holding Time
Acidity SM2310B 250ml, Plastic Cool, 4ºC 14 Days
Alkalinity SM2320B 250ml, Plastic Cool, 4ºC 14 Days
Ammonia Nitrogen SM4500-NH3 B,E 500ml, Plastic H2SO4 <2, Cool, 4ºC 28 Days
BOD5 SM5210B 500ml, Plastic Cool, 4ºC 48 Hours
BTEX 624, 8260A/8260B 40ml VOA vial x 2 HCL <2, Cool, 4C 14 Days
CBOD SM5210B 500ml, Plastic Cool, 4ºC 48 Hours
Chloride 300.0 125ml, Plastic None 28 Days
Chlorinated Herbicides 8151 1L, Amber Glass Cool, 4ºC 7/40 Days
Chlorine, Residual SM 4500-C/B 125ml, Plastic None ASAP
Chromium, Hexavalent 7196A 125ml, Plastic Cool, 4ºC 24 Hours
COD 410.4 125ml, Plastic H2SO4 <2, Cool 4ºC 28 Days
Coliform, Fecal SM9222-D 100ml, Plastic Sterile, Na2S2O3, 4ºC 6 Hours
Coliform, Total SM9222-B 100ml, Plastic Sterile, Na2S2O3, 4ºC 6 Hours
Cyanides, Amenable 335.1 250ml, Plastic NaOH pH> 12, Cool, 4ºC 14 Days
Cyanides, Free SM4500-CN-I 250ml, Plastic NaOH pH> 12, Cool, 4ºC 14 Days
Cyanides, Total 335.4/9010C 250ml, Plastic NaOH pH> 12, Cool, 4ºC 14 Days
E. Coli SM9222-B 100ml, Plastic Sterile, Na2S2O3, 4ºC 6 Hours
Flashpoint 1010M/D93 500ml, Plastic None None
Fluoride 300.0 125ml, Plastic None 28 Days
Kjeldahl Nitrogen, Total SM 4500-NORG B 500ml, Plastic Cool, 4ºC, H2SO4 <2 6 Months
Mercury, Low Level 1631E 500ml, Glass (specially cleaned) 28 Days
Metals 200.7, 6010B 500ml, Plastic HNO3 pH <2 6 Months
Nitrate 300.0 125ml, Plastic Cool, 4ºC 48 Hours
Nitrite 300.0 125ml, Plastic Cool, 4ºC 48 Hours
Oil and Grease 1664 1L, Amber Glass HC1 <2, Cool, 4ºC 28 Days
Orthophosphate SM4500-P E 125ml, Amber Glass Cool, 4C 48 Hours
PCBs 608, 8082A 1L, Amber Glass Cool, 4ºC 6 Months
Pesticides, Chlorinated 608, 8081B 1L, Amber Glass Cool, 4ºC 7/40 Days
pH SM4500-H+B 125ml, Plastic None Immediate
Phenolics SM5530D+C 250ml, Amber Glass H2SO4 <2, Cool, 4ºC 28 Days
Phenols 625, 8270B 1L, Amber Glass Cool, 4ºC 7/40 Days
Phosphorus, Total 365.1, SM4500-P E 250ml,Plastic H2SO4 <2, Cool, 4ºC 28 Days
Polynuclear Aromatic Hydrocarbons 625, 8270C 1L, Amber Glass Cool, 4ºC 7/40 Days
Semi-volatile Organics 625, 8270C 1L, Amber Glass Cool, 4ºC 7/40 Days
Solids, Dissolved Total SM2540C 250ml, Plastic Cool, 4ºC 7 Days
Solids, Total SM2540B 250ml, Plastic Cool, 4ºC 7 Days
Solids, Total Suspended SM2540D 250ml, Plastic Cool, 4ºC 7 Days
Solids, Volatile SM2540E 250ml, Plastic Cool, 4ºC 7 Days
Sulfate 300.0 125ml, Plastic Cool, 4ºC 28 Days
Sulfide 9030A 250ml, Plastic NaOH, Zn(C2H3O2)2, Cool, 4ºC 7 Days
Surfactants (MBAs) SM5540C 500ml, Plastic Cool, 4ºC 48 Hours
Total Organic Carbon 415.2 125ml, Amber Glass H3P04 <2, Cool, 4ºC 28 Days
TPH 418.1 1L, Amber Glass HCL <2, Cool, 4ºC 28 Days
TPH-DRO 8015A Modified 1L, Amber Glass Cool, 4ºC 7/40 Days
TPH-GRO 8015A Modified 40ml VOA vial x 2 HCL <2, Cool, 4ºC 14 Days
Turbidity 180.1 125ml, Plastic Cool, 4ºC 48 Hours
Volatile Organics 624, 8260A/8260B 40ml VOA vial x 2 HCL <2, Cool, 4ºC 14 Days
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