Cenco_Chemical Constituents 12-07 Tables

MW-2 MW-7 MW-13 MW-19
Benzene NS 134 NS NS 1
Chlorobenzene ND 518 19.8 ND 50
1,2-Dichlorobenzene ND ND ND ND 24
1,3-Dichlorobenzene ND 11 ND ND 170
1,4-Dichlorobenzene ND 33.5 ND ND 1.4
1,1-Dichloroethene ND ND ND ND 7
1,1-Dichloroethane 5.7 ND ND 1.9 70
cis-1,2-Dichloroethene 38 49.9 223 4.7 70
trans-1,2-Dichloroethene ND ND 9.6 ND 100
Ethylbenzene NS ND NS NS 550
Trichloroethene ND ND ND ND 2.8
Vinyl Chloride 1.8 11.3 32.2 ND 0.015
Xylenes NS 91.3 NS NS 530

Total VOCs 45.5 849.0 284.6 6.6 NA
NOTES:
All concentrations in micrograms per liter (µg/L) or parts per billion
NS Not sampled for this constituentND Not detected in a concentration at or above the laboratory Practical Quantitation LimitsNA Not applicableNCGQS North Carolina Groundwater Quality StandardBOLD Exceeds the NCGQS
Samples collected on December 27, 2007
DELTA PROJECT NO.: 5E0711711P
TABLE 6.1
SUMMARY OF CHEMICAL CONSTITUENTS DETECTED IN GROUNDWATER
HONBARRIER, INC. FACILITY
CHARLOTTE, MECKLENBURG COUNTY, NORTH CAROLINA
NCGQSMONITORING WELL IDENTIFICATIONCONSTITUENT
WELL ID
WELL
DEPTH
(ft-BLS)
SCREEN
INTERVAL
(ft-BLS)
GROUND
SURFACE
ELEVATION
(ft-MSL)
TOC
ELEVATION
(ft-MSL)
DEPTH TO
GROUNDWATER
(ft-TOC)*
GROUNDWATER
ELEVATION
(ft-MSL)
MW-2 24 14-24 769.8 771.59 20.81 750.78
MW-6 35.5 25-35 769.6 772.17 NA NA
MW-7 39 29-39 768.7 768.71 19.86 748.85
MW-13 29 19-29 759.5 761.74 14.57 747.17
MW-16 76 66-76 759.7 761.81 NM NM
MW-18 130 110-130 768.95 768.81 NM NM
MW-19 14 4-14 746.92 746.87 2.43 744.44
NOTES:
ft-BLS Feet below land surface
ft-MSL Feet above mean sea level
TOC Top of casing
ft-TOC Feet below top of casing
* Measured on December 27, 2007
NA Not applicable; well destroyed
NM Not measured; well not included as part of this sampling event; deep well
DELTA PROJECT NO.: 5E0711711P
TABLE 4.1
CHARLOTTE, MECKLENBURG COUNTY, NORTH CAROLINA
PHYSICAL CHARACTERISTICS OF EXISTING MONITORING WELLS
HONBARRIER, INC. FACILITY
pH (SU)Temperature (Cº) ORP (mV)DO (mg/L)EC (µS/cm)
6.19 17.52 71 1.03 760
NA NA NA NA NA
6.37 18.10 91 2.67 1,290
6.96 16.62 -59 2.73 868
NM NM NA NM NM
NM NM NA NM NM
6.19 14.98 22 7.79 643
NOTES:
SU Standard UnitsCº Degrees Celsius
ORPmV Milli-VoltsDODissolved Oxygenmg/L Milligrams per liter or parts per million
EC Electrical Conductivity
µS/cm Microsiemens per centimeterNANot applicable; well destroyedNMNot measured; well not included as part of this sampling eventMeasured on December 27, 2007
MW-13
FIELD PARAMETERS
MW-2
MW-6
MW-7
Oxidation Reduction Potential
TABLE 4.2
SUMMARY OF GROUNDWATER FIELD PARAMETERS
HONBARRIER, INC. FACILITY
WELL ID
CHARLOTTE, MECKLENBURG COUNTY, NORTH CAROLINA
DELTA PROJECT NO.: 5E0711711P
MW-16
MW-18
MW-19