**********************************************
       *** SURFACE WATER DATABASE SUMMARY DATA    ***
       **********************************************
             PESTICIDE SAMPLING AT SITE 24-4
       **********************************************
COUNTY: MERCED
LOCATION: Highline Spillway (trib. to SJR)
MTRS: M06S10E25
lat/long:    37.3875 / -120.8036

PART I. PESTICIDES DETECTED AT SITE 24-4
******************************************************************
                                                  CONCENTRATION
 CHEMICAL                   SAMPLE DATE          [ug/L = ppb]
----------------------------------------------------------------
bromacil                      03/07/02                 3.730
bromacil                      03/07/02                 3.200
bromacil                      03/07/02                 3.310
bromacil                      03/07/02                 2.010
bromacil                      03/07/02                 1.580
bromacil                      03/07/02                 2.370
bromacil                      03/07/02                 2.120
bromacil                      03/07/02                 1.700
carbaryl                      02/08/93                 0.070
chlorpyrifos                  02/08/93                 0.070
diazinon                      02/08/93                 2.540
diazinon                      02/08/94                 2.300
diazoxon                      02/08/93                 0.210
diuron                        03/07/02                11.100
diuron                        03/07/02                11.300
diuron                        03/07/02                11.500
diuron                        03/07/02                10.500
diuron                        03/07/02                 9.050
diuron                        03/07/02                 7.110
diuron                        03/07/02                 6.440
diuron                        03/07/02                 5.890
methidathion                  02/08/93                 0.140
norflurazon                   03/07/02                 0.498
norflurazon                   03/07/02                 0.358
norflurazon                   03/07/02                 0.254
norflurazon                   03/07/02                 0.219
norflurazon                   03/07/02                 0.197
norflurazon                   03/07/02                 0.151
norflurazon                   03/07/02                 0.143
norflurazon                   03/07/02                 0.125


PART II. PESTICIDES SAMPLED FOR BUT NOT DETECTED AT SITE 24-4
LOCATION: Highline Spillway (trib. to SJR)
******************************************************************
 CHEMICAL                        NUMBER SAMPLES
-----------------------------------------------
3-hydroxycarbofuran                         1
aldicarb                                    1
aldicarb sulfone                            1
aldicarb sulfoxide                          1
atrazine                                    8
azinphos-methyl                             9
azinphos-methyl-oa                          1
carbofuran                                  1
chlorpyrifos                                8
chlorpyrifos OA                             1
ddvp (dichlorvos)                           9
deethyl-atrazine                            8
deisopropyl-atrazine                        8
diaminochlorotriazine (DACT)                8
diazinon                                    8
dimethoate                                  9
disulfoton                                  8
endosulfan                                  1
endosulfan II                               1
endosulfan sulfate                          1
esfenvalerate                               8
ethoprop                                    9
ethyl parathion                             1
ethyl parathion OA (paraoxon)               1
fenamiphos                                  8
fonofos                                     9
hexazinone                                  8
malaoxon                                    1
malathion                                   9
methidathion                                8
methidathion OA                             1
methiocarb                                  1
methiocarb sulfone                          1
methiocarb sulfoxide                        1
methomyl                                    1
methyl paraoxon                             1
methyl parathion                            9
metribuzin                                  8
oxamyl                                      1
permethrin                                  8
phorate                                     9
phosalone                                   1
phosalone OA                                1
phosmet                                     9
phosmet-oa                                  1
profenofos                                  8
prometon                                    8
prometryn                                   8
s,s,s-tributyl phosphorotrithi              8
simazine                                    8