Mercury Synoptic

1998 Water-Year
Water-Quality Records
[drop]

--------
 REMARKS.--   This synoptic was conducted as part of a National Pilot Study of Mercury Contamination
of Aquatic Ecosystems along Multiple Gradients (Krabbenhoft and others, 1999).  Some methodologies are not
part of the National Water Quality Laboratory (NWQL) standards, and thus parameter codes are not available
for all constituents.  The constituents without NWQL parameters codes are identified with an (N/A).  

                          ANALYSIS OF STREAMFLOW SAMPLES COLLECTED AT SPECIAL-STUDY SITES

                                  ALLEGHENY-MONONGAHELA RIVER BASIN NAWQA PROJECT


                           WATER QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998

                             DIS-              PH               BARO-             ALKA-
                           CHARGE,   SPE-     WATER             METRIC           LINITY   METHYL
                            INST.    CIFIC    WHOLE             PRES-            WAT DIS  MER-
                            CUBIC    CON-     FIELD   TEMPER-    SURE   OXYGEN,  TOT IT   CURY IN
                             FEET    DUCT-   (STAND-   ATURE     (MM      DIS-    FIELD   WATER
          DATE      TIME     PER     ANCE      ARD     WATER      OF     SOLVED  MG/L AS  NG/L AS
                            SECOND  (µS/CM)   UNITS)  (DEG C)    HG)     (MG/L)   CACO3    MEHG
                           (00061)  (00095)  (00400)  (00010)  (00025)  (00300)  (39086)  



                      03029000  CLARION RIVER AT RIDGWAY, PA. (LAT 41 25 15N LONG 078 44 10W)

        SEP 1998
         09...      1030    252       240      7.4     15.5       --     10.0       --


                   03049625  ALLEGHENY R AT NEW KENSINGTON, PA. (LAT 40 33 52N LONG 079 46 22W)
        SEP
         17...      0915   3080       374      7.8     26.0      753      7.4       41


                     03072000  DUNKARD CREEK AT SHANNOPIN, PA. (LAT 39 45 33N LONG 079 58 15W)

        SEP
         23...      0845     19      1450      7.5     18.5      754      7.3      90


                      03072815  TENMILE CREEK NEAR AMITY, PA (LAT 40 01 11N LONG 080 12 20W)

        SEP
         22...      0915      --      403      7.7     21.0      732      4.4      150


                 03083500  YOUGHIOGHENY RIVER AT SUTERSVILLE, PA. (LAT 40 14 24N LONG 079 48 24W)

        SEP
         03...      1000    849       281      7.6     22.0      747      7.8       21




                                                            PER-      
                   METHYL            MER-                   CENT     
                   MER-       MER-   CURY            SEDI-  SEDI-     ORGAN-,  
                  CURY IN    CURY   IN SEDI-  MER-   MENT   MENT      IC CAR-  SULFATE,
                   WATER      TOT    MENT     CURY,  PER-   LOSS      BON,       DIS,  
           DATE     NG/L AS   NG/L  NG/G AS   TOTAL  CENT   ON IGNI-  TOTAL,     MG/L AS
                    MEHG             MEHG            DRY    TION      MG/L AS C  SO4


                      03029000  CLARION RIVER AT RIDGWAY, PA. (LAT 41 25 15N LONG 078 44 10W)

        SEP
         09...      0.093     8.09    1.08    76.5   68.1    0.82       4.2       39 


                   03049625  ALLEGHENY R AT NEW KENSINGTON, PA. (LAT 40 33 52N LONG 079 46 22W)
        SEP
         17...      0.006     0.85    0.26    56.5   62.2    5.53       1.8       86 


                     03072000  DUNKARD CREEK AT SHANNOPIN, PA. (LAT 39 45 33N LONG 079 58 15W)

        SEP
         23...      0.037     0.64    0.15    12.8   71.6    1.73       2.6       195


                      03072815  TENMILE CREEK NEAR AMITY, PA (LAT 40 01 11N LONG 080 12 20W)

        SEP
         22...      0.104     2.48    0.38    20.7   67.0    3.33       3.9        31


                 03083500  YOUGHIOGHENY RIVER AT SUTERSVILLE, PA. (LAT 40 14 24N LONG 079 48 24W)

        SEP
         03...      0.016     1.16    0.52    96.78  69.0    5.69       2.1        94

 




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