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Connecticut-River-at-Holyoke

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					Site ID 01172010 01172010 01172010 01172010 01172010 01172010 01172010 01172010 01172010 01172010 01172010 01172010

Site Name Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA Connecticut River at I-391 bridge at Holyoke, MA

Date 4/13/2005 8/3/2005 10/26/2006 12/15/2006 2/8/2007 3/29/2007 4/20/2007 5/3/2007 5/17/2007 6/28/2007 8/2/2007 9/5/2007

Time r_Discharge 1745 1800 1315 Provisional 1045 Provisional 800 Provisional 830 Provisional 815 Provisional 800 Provisional 815 Provisional 815 Provisional 830 Provisional 1715 Provisional

Discharge = river discharge, cfs Temp = water temperature, degrees C Cond = specific conductance, field, uS/cm @ 25C pH = pH, field, standard units Oxygen = dissolved oxygen, mg/L Nitrite = nitrogen, nitrite, total, mg/L as N NO2+NO3 = nitrogen, nitrite + nitrate, dissolved, mg/L as N Ammonia = nitrogen, ammonia, dissolved, mg/L as N N:amm+org = nitrogen, ammonia + organic nitrogen, total, mg/L as N Or.Phos = phosphorus, orthophosphate, dissolved, mg/L as P Tot.Phos = phosphorus, total, mg/L Sediment = sediment, suspended, mg/L r_X = remark code for parameter X concentration (<, less than; E, estimated) Minimum laboratory reporting levels: WY2005 0.008 0.016 0.01 0.1 0.006 0.004 1 WY2007 0.002 0.016 0.02 0.1 0.006 0.008 1

Nitrite NO2+NO3 Ammonia N:amm+org Or.Phos Tot.Phos Sediment

Note: Total Nitrogen is calculated from the addition of: (NO2+NO3) + (N:amm+org).

Discharge 40100 5630 22500 16400 11500 57100 79700 40300 16000 6420 2590 3050

Temp 6.9 27.4 9.3 3.8 0

16.4 25.6 26.5 24.6

Cond 87 123 88 100 133 88 76 76 106 126 126 149

pH 6.9 7.6 6.9 7.2 6.6 6.8 6.8 7.0 6.9 7.4 7.4 7.5

Oxygen r_Nitrite 12.6 < 8.6 E 11.3 < 13.1 E < E 9.8 8.0

Nitrite r_NO2+NO3 0.008 0.004 0.002 0.002 0.003 0.002 0.002 0.002 0.003 0.005 0.005 0.006

NO2+NO3 r_Ammonia 0.212 0.276 0.200 E 0.317 0.506 0.343 0.252 E 0.286 E 0.350 0.333 0.231 E 0.266

Ammonia r_N:amm+org N:amm+org r_Or.Phos 0.023 0.6 E 0.016 0.3 0.020 0.3 E 0.031 0.2 E 0.064 0.2 0.025 0.4 E 0.012 0.3 E 0.015 0.2 E 0.029 0.2 E 0.034 0.2 E 0.020 0.2 0.037 0.2

Or.Phos 0.003 0.008 0.004 0.006 0.008 0.004 0.004 0.005 0.004 0.003 0.013 0.006

r_Tot.Phos

Tot.Phos r_Sediment 0.063 0.026 0.027 0.015 0.018 < 0.137 0.092 0.034 0.028 0.016 0.023 0.012

Sediment 43 7 17 3 1 115 94 34 8 7 1 1


				
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