**********************************************
       *** SURFACE WATER DATABASE SUMMARY DATA    ***
       **********************************************
             PESTICIDE SAMPLING AT SITE 24-2
       **********************************************
COUNTY: MERCED
LOCATION: Turlock Irrig. Drain #6, 200 yds W of Central Ave (trib to SJR)
MTRS: M06S09E22
lat/long:    37.4019 / -120.9586

PART I. PESTICIDES DETECTED AT SITE 24-2
******************************************************************
                                                  CONCENTRATION
 CHEMICAL                   SAMPLE DATE          [ug/L = ppb]
----------------------------------------------------------------
chlorpyrifos                  05/28/91                 0.150
chlorpyrifos                  07/15/91                 0.010
chlorpyrifos                  01/13/92                 0.240
chlorpyrifos                  01/20/92                 0.170
chlorpyrifos                  02/03/92                 0.050
chlorpyrifos                  02/10/92                 0.120
chlorpyrifos                  02/17/92                 0.040
chlorpyrifos                  02/24/92                 0.010
chlorpyrifos                  04/06/92                 0.140
chlorpyrifos                  04/27/92                 0.010
chlorpyrifos                  05/04/92                 0.010
chlorpyrifos                  05/11/92                 0.070
chlorpyrifos                  06/01/92                 0.250
diazinon                      01/13/92                 0.020
diazinon                      01/20/92                 0.020
diazinon                      02/03/92                 0.110
diazinon                      02/10/92                 0.910
diazinon                      02/17/92                 0.350
diazinon                      02/24/92                 0.020
diazinon                      04/06/92                 0.010
diazinon                      06/22/92                 0.010
ethyl parathion               01/13/92                 0.050
ethyl parathion               01/20/92                 0.010
ethyl parathion               02/03/92                 0.010
ethyl parathion               02/17/92                 0.010
malathion                     02/17/92                 0.010


PART II. PESTICIDES SAMPLED FOR BUT NOT DETECTED AT SITE 24-2
LOCATION: Turlock Irrig. Drain #6, 200 yds W of Central Ave (trib to SJR)
******************************************************************
 CHEMICAL                        NUMBER SAMPLES
-----------------------------------------------
3-hydroxycarbofuran                        10
aldicarb                                   10
aldicarb sulfone                           10
aldicarb sulfoxide                         10
carbaryl                                   10
carbofuran                                 10
carbophenothion                            17
chlorpyrifos                               17
diazinon                                   17
disulfoton                                 17
ethion                                     17
ethyl parathion                            13
fonofos                                    17
isofenphos                                 17
malathion                                  16
methiocarb                                 10
methomyl                                   10
methyl parathion                           17
oxamyl                                     10
phorate                                    17
propham                                    10
propoxur                                   10
s,s,s-tributyl phosphorotrithi             17