144TT5002A                ST506 1982071019821111DR. M. BOTHNER DEP OF INTERIOR  
144TT5002T0000        A. THE METAL CONCENTRATIONS REPORTED IN THIS FILE ARE  001
144TT5002T0000        THE RESULTS OF THE MONITORING OF AN EXPLORATORY OIL    002
144TT5002T0000        DRILL OPERATION. SAMPLES WERE SYSTEMATICALLY COLLECTED 003
144TT5002T0000        IN A BEFORE, DURING AND AFTER DRILLING SEQUENCE. AS    004
144TT5002T0000        SUCH, SOME DOWN CURRENT SAMPLING SITES WILL SHOW ELE-  005
144TT5002T0000        VATED LEVELS OF METAL LOADING WITH TIME.               006
144TT5002T0000        B. THE ENTIRE THREE YEAR SUITE OF DATA IS HELD BY NODC 007
144TT5002T0000        AS TRACK NUMBERS TT4983 THRU TT5032.                   008
144TT5002T0000        C. A REVISED CHLORIDE CORRECTION HAS BEEN APPLIED TO   009
144TT5002T0000        THE DATA IN THIS FILE. VARIATIONS NOTED IN THE CONCEN- 010
144TT5002T0000        TRATION LEVELS REPORTED HERE AND IN THE FIRST YEARS    011
144TT5002T0000        DATA REPORT ARE THE RESULT OF THE APPLICATION OF THIS  012
144TT5002T0000        REVISED CHLORIDE CORRECTION.                           013
144TT5002T0000        D. THE "ORIGINATORS SAMPLE IDENTIFICATION" FOR EACH    014
144TT5002T0000        SAMPLE IS RETAINED IN A SPECIAL FIELD (POSITIONS 50-63)015
144TT5002T0000        OF RECORD TYPE C. HOWEVER, FOR PURPOSES OF DATA RETRIE-016
144TT5002T0000        VAL AND SORTING A PORTION OF THIS ID NUMBER HAS BEEN   017
144TT5002T0000        RETAINED AND IS LOCATED IN POSITIONS 16-18 OF RECORD   018
144TT5002T0000        TYPES E AND F.                                         019
144TT5002T0000          1. THE ALPHA COMBINATION "BL" MEANS THAT THIS SAMPLE 020
144TT5002T0000            IS A "BLEND" OF ALL REPLICATES COLLECTED AT THAT   021
144TT5002T0000            STATION SITE. THE GEOGRAPHIC COORDINATES (LATITUDE 022
144TT5002T0000            AND LONGITUDE) FOR "BLEND" SAMPLES IS A MEAN POSI- 023
144TT5002T0000            TION FOR ALL REPLICATES AT THAT GIVEN STATION SITE.024
144TT5002T0000          2. A SINGLE ALPHA CHARACTER REPRESENTS THE           025
144TT5002T0000            REPLICATE NUMBER.                                  026
144TT5002T0000          3. AN ALPHA/NUMERIC COMBINATION ENDING IN AN "X"     027
144TT5002T0000            MEANS THAT THE SAMPLE HAS BEEN SIEVED AND ONLY     028
144TT5002T0000            THE FINE FRACTION (GREATER THA 60 MICRONS) OF      029
144TT5002T0000            THE SAMPLE WAS ANALYZED.                           030
144TT5002T0000          4. ANY SAMPLE IDENTIFICATION CONSISTING OF AN ALPHA  031
144TT5002T0000            NUMERIC COMBINATION STARTING WITH "S" MEANS THAT   032
144TT5002T0000            THE SAMPLE WAS SPLIT INTO A NUMBER OF SIZE INTER-  033
144TT5002T0000            VALS. THE NUMERIC VALUE IN THE ID IS A CODE IN-    034
144TT5002T0000            DICATING THE SIZE RANGE OF THAT SAMPLE...          035
144TT5002T0000               S0 = UNDIFFERENTIATED                           036
144TT5002T0000               S1 = > 1000        MICRONS                      037
144TT5002T0000               S2 =   1000 - 500  MICRONS                      038
144TT5002T0000               S3 =    500 - 210  MICRONS                      039
144TT5002T0000               S4 =    210 - 105  MICRONS                      040
144TT5002T0000               S5 =    105 -  60  MICRONS                      041
144TT5002T0000               S6 =     60 -  30  MICRONS                      042
144TT5002T0000               S7 =     30 -  10  MICRONS                      043
144TT5002T0000               S8 =     10 -   1  MICRONS                      044
144TT5002T0000               S9 =    < 1        MICRON                       045
144TT5002T0000        E. SEDIMENT TRAP SAMPLE ID VALUES CONTAINING A "W"     046
144TT5002T0000        INDICATE THAT THE ENTIRE SAMPLE WAS HOMOGENIZED        047
144TT5002T0000        BEFORE ANALYSIS.                                       048
144TT5002C0001 403927N 674640W19820710             ST506-00-CW    W-221266   050
144TT5002E0001 W                      4                        40            051
144TT5002F0001 W      S7429905 B  230+2S7440393 B  767+0S7440439 B  729-3    052
144TT5002F0001 W      S7440473 B  269-1S7440508 B  136-1S7439896 B  171+2    053
144TT5002F0001 W      S7439976 B    3-2S7439965 B  230+0S7440020 BL  38-1    054
144TT5002F0001 W      S7439921 B  307-1S7440622 B  115-1S7440666 B 2110-1    055
144TT5002F0001 W      S7782505 B  265-1                                      056
