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New York Water Science Center 

Prepared in cooperation with the New York State Department of Environmental Conservation and The U.S. Environmental Protection Agency - Region 2

305(b) Ambient Groundwater Quality Monitoring

ANALYTES 2015

Compound USGS parameter code CAS no. Detection limit Units
Physical Properties (unfiltered)
pH, field 00400 standard units
Dissolved oxygen, field 00300 mg/L, percent saturation
Specific conductance, field 00095 uS/cm
Color 00080 1 Pt-Co unit
Temperature, field 00010 degrees Celsius
Major Ions (filtered, except as noted)
Acid Neutralizing Capacity (ANC), laboratory (unfiltered) 90410 4.0 mg/l CaCO3
Alkalinity, laboratory 29801 4.6 mg/l CaCO3
Alkalinity, field, inflection point 39086 mg/l CaCO3
Boron 01020 7440-42-8 2.0 ug/L
Calcium 00915 7440-70-2 0.022 mg/L
Chloride 00940 16887-00-6 0.02 mg/L
Fluoride 00950 16984-48-8 0.01 mg/L
Iron, unfiltered 01045 7439-89-6 4.6 ug/L
Iron, filtered 01046 7439-89-6 4.0 ug/L
Magnesium 00925 7439-95-4 0.011 mg/L
Manganese, unfiltered 01055 7439-96-5 0.20 ug/L
Manganese, filtered 01056 7439-96-5 0.20 ug/L
Potassium 00935 7440-09-7 0.03 mg/L
Residue, 180 degrees Celsius (TDS) (unfiltered) 70300 20 mg/L
Silica 00955 7631-86-9 0.018 mg/L
Sodium 00930 7440-23-5 0.06 mg/L
Sulfate 00945 14808-79-8 0.02 mg/L
Nutrients (filtered)
Nitrogen, ammonia as N 00608 7664-41-7 0.010 mg/L
Nitrogen, ammonia + organic nitrogen 00623 17778-88-0 0.07 mg/L
Nitrogen, nitrite 00613 14797-65-0 0.0010 mg/L
Nitrogen, nitrite + nitrate 00631 0.04 mg/L
Phosphorus, phosphate, ortho 00671 14265-44-2 0.004 mg/L
Organic carbon 00680 0.7 mg/L
Trace Elements (unfiltered)
Aluminum 01105 7429-90-5 3.8 ug/L
Antimony 01097 7440-36-0 0.18 ug/L
Arsenic 01002 7440-38-2 0.20 ug/L
Barium 01007 7440-39-3 0.25 ug/L
Beryllium 01012 7440-41-7 0.02 ug/L
Cadmium 01027 7440-43-9 0.03 ug/L
Chromium 01034 7440-47-3 0.4 ug/L
Cobalt 01037 7440-48-4 0.05 ug/L
Copper 01042 7440-50-8 0.8 ug/L
Lead 01051 7439-92-1 0.04 ug/L
Lithium 01132 7439-93-2 0.22 ug/L
Manganese 01055 7439-96-5 0.4 ug/L
Mercury 71900 7439-97-6 0.005 ug/L
Molybdenum 01062 7439-98-7 0.05 ug/L
Nickel 01067 7440-02-0 0.20 ug/L
Selenium 01147 7782-49-2 0.10 ug/L
Silver 01077 7440-22-4 0.03 ug/L
Strontium 01082 7440-24-6 0.8 ug/L
Thallium 01059 7440-28-0 0.06 ug/L
Uranium, natural 28011 7440-61-1 0.014 ug/L
Zinc 01092 7440-66-6 2.0 ug/L
Dissolved Gases (unfiltered)
O2 62971 mg/L
CH4 85574 mg/L
CO2 00405 mg/L
N2 00597 mg/L
Ar 82043 mg/L
Radionuclides (unfiltered)
Gross-alpha radioactivity 01519 12587-46-1 3.0 pCi/L
Gross-beta radioactivity 85817 12587-47-2 4.0 pCi/L
Radon-222 82303 14859-67-7 20 pCi/L
Bacteria (unfiltered)
Total Coliform 61213 cfu/100ml
Total Coliform (M-ENDO) 31501 cfu/100ml
Fecal Coliform 61215 cfu/100ml
Fecal Coliform (M-FC MF .7u) 31625 cfu/100ml
Fecal Coliform (M-FC MF .45u) 31616 cfu/100ml
E coli (if other coliform bacteria present) 84385 PrsAbs
E coli (if other coliform bacteria present) (Colilert) 99596 PrsAbs0.1L
E coli (if other coliform bacteria present) (MUG) 31684 PrsAbs
Heterotrophic plate count 31692 cfu/ml
Volatile Organic Compounds (unfiltered)
1,1,1-Trichloroethane 34506 71-55-6 0.1 ug/L
1,1,2-Trichlorotrifluoroethane 77652 76-13-1 0.1 ug/L
1,1-Dichloroethane 34496 75-34-3 0.1 ug/L
1,1-Dichloroethylene 34501 75-35-4 0.1 ug/L
1,2-Dichlorobenzene 34536 95-50-1 0.1 ug/L
1,2-Dichloroethane 32103 107-06-2 0.2 ug/L
1,2-Dichloropropane 34541 78-87-5 0.1 ug/L
1,3-Dichlorobenzene 34566 541-73-1 0.1 ug/L
1,4-Dichlorobenzene 34571 106-46-7 0.1 ug/L
Benzene 34030 71-43-2 0.1 ug/L
Bromodichloromethane 32101 75-27-4 0.1 ug/L
Bromoform 32104 75-25-2 0.2 ug/L
Chlorobenzene 34301 108-90-7 0.1 ug/L
Chloroform 32106 67-66-3 0.1 ug/L
cis-1,2-Dichloroethylene 77093 156-59-2 0.1 ug/L
Dibromochloromethane 32105 124-48-1 0.2 ug/L
Dichlorodifluoromethane 34668 75-71-8 0.2 ug/L
Dichloromethane 34423 75-09-2 0.2 ug/L
Diethyl ether 81576 60-29-7 0.2 ug/L
Diisopropyl ether 81577 108-20-3 0.2 ug/L
Ethyl tert-butyl ether 50004 637-92-3 0.1 ug/L
Ethylbenzene 34371 100-41-4 0.1 ug/L
m- and p-Xylene 85795 179601-23-1 0.2 ug/L
o-Xylene 77135 95-47-6 0.1 ug/L
Styrene 77128 100-42-5 0.1 ug/L
tert-Butyl methyl ether 78032 1634-04-4 0.2 ug/L
tert-Pentyl methyl ether 50005 994-05-8 0.2 ug/L
Tetrachloroethylene 34475 127-18-4 0.1 ug/L
Tetrachloromethane 32102 56-23-5 0.2 ug/L
Toluene 34010 108-88-3 0.1 ug/L
trans-1,2-Dichloroethylene 34546 156-60-5 0.1 ug/L
Trichloroethylene 39180 79-01-6 0.1 ug/L
Trichlorofluoromethane 34488 75-69-4 0.2 ug/L
Vinyl chloride 39175 75-01-4 0.2 ug/L
Pesticides and Pesticide Degradates (filtered)
2,6-Diethylaniline 82660 579-66-8 0.0060 ug/L
2-Chloro-4-isopropylamino-6-amino-s-triazine {CIAT} 04040 6190-65-4 0.010 ug/L
Acetochlor 49260 34256-82-1 0.010 ug/L
Alachlor 46342 15972-60-8 0.008 ug/L
alpha-HCH 34253 319-84-6 0.0040 ug/L
Atrazine 39632 1912-24-9 0.008 ug/L
Azinphos-methyl 82686 86-50-0 0.12 ug/L
Benfluralin 82673 1861-40-1 0.014 ug/L
Butylate 04028 2008-41-5 0.0040 ug/L
Carbaryl 82680 63-25-2 0.06 ug/L
Carbofuran 82674 1563-66-2 0.060 ug/L
Chlorpyrifos 38933 2921-88-2 0.010 ug/L
cis-Permethrin 82687 61949-76-6 0.010 ug/L
Cyanazine 04041 21725-46-2 0.022 ug/L
Dacthal 82682 1861-32-1 0.0076 ug/L
Desulfinylfipronil 62170 0.012 ug/L
Desulfinylfipronil amide 62169 0.029 ug/L
Diazinon 39572 333-41-5 0.0060 ug/L
Dieldrin 39381 60-57-1 0.008 ug/L
Disulfoton 82677 298-04-4 0.040 ug/L
EPTC 82668 759-94-4 0.0056 ug/L
Ethalfluralin 82663 55283-68-6 0.006 ug/L
Ethoprophos 82672 13194-48-4 0.016 ug/L
Fipronil 62166 120068-37-3 0.018 ug/L
Fipronil sulfide 62167 120067-83-6 0.016 ug/L
Fipronil sulfone 62168 120068-36-2 0.024 ug/L
Fonofos 04095 944-22-9 0.0048 ug/L
Lindane 39341 58-89-9 0.0040 ug/L
Linuron 82666 330-55-2 0.06 ug/L
Malathion 39532 121-75-5 0.016 ug/L
Methyl parathion 82667 298-00-0 0.008 ug/L
Metolachlor 39415 51218-45-2 0.012 ug/L
Metribuzin 82630 21087-64-9 0.012 ug/L
Molinate 82671 2212-67-1 0.008 ug/L
Napropamide 82684 15299-99-7 0.010 ug/L
p,p'-DDE 34653 72-55-9 0.0048 ug/L
Parathion 39542 56-38-2 0.020 ug/L
Pebulate 82669 1114-71-2 0.016 ug/L
Pendimethalin 82683 40487-42-1 0.012 ug/L
Phorate 82664 298-02-2 0.020 ug/L
Prometon 04037 1610-18-0 0.012 ug/L
Propachlor 04024 1918-16-7 0.006 ug/L
Propanil 82679 709-98-8 0.010 ug/L
Propargite 82685 2312-35-8 0.020 ug/L
Propyzamide 82676 23950-58-5 0.008 ug/L
Simazine 04035 122-34-9 0.006 ug/L
Tebuthiuron 82670 34014-18-1 0.028 ug/L
Terbacil 82665 5902-51-2 0.024 ug/L
Terbufos 82675 13071-79-9 0.018 ug/L
Thiobencarb 82681 28249-77-6 0.016 ug/L
Tri-allate 82678 2303-17-5 0.0046 ug/L
Trifluralin 82661 1582-09-8 0.018 ug/L

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