ARCHIVED REPORTS SOIL AND GROUNDWATER INVESTIGATION REPORT

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' SOIL CLASSIFICATION SYSTEM ' MAJOR DIVISION GROUP LETTER GROUP NAME SYMBOL SYMBOL •'• •. GW WELL-GRADED GRAVEL with or without sand GRAVEL WITH <_5%FINES °Q° o GP POORLY GRADED GRAVEL with or without sand ' GRAVEL WITH •'• • GW-GM WELL-GRADED GRAVEL WITH SILT MORE THAN and with or without sand 50%OFW ELL-GRADED GRAVEL WITH CLAY COARSE GRAVEL WITH •�• GW-GC and with or without sand FRACTION BETWEEN 5% POORLY GRADED GRAVEL WITH SILT ' RETAINED ON AND 15%FINES °p° ° GP-GM and with or without sand NO.4SIEVE POORLY GRADED GRAVEL WITH CLAY GP-GC and with or without sand ' o ° GM SILTY GRAVEL and with or without sand COARSE GRAVEL WITH GRAINED >15%FINES GC CLAYEY GRAVEL and with or without sand SOILS 1 WITH SW WELL-GRADED SAND with or without gravel LESS THAN SAND WITH 50%FINES <5%FINES SP POORLY GRADED SAND with or without gravel ' SAND WITH SW-SM WELL-GRADED SAND WITH SILT with or without gravel MORE THAN 50%OF SAND WITH SW-SC WELL-GRADED SAND WITH CLAY with orwithout gravel ' COARSE BETWEEN 5% GRACTION AND 15%FINES SP-SM POORLY GRADED SAND WITH SILT with or without gravel PASSING NO.4 SIEVE SPSC POORLY GRADED SAND WITH CLAY with or without gravel ' SM SILTY SAND with or without gravel SAND WITH >_15%FINES ' SC CLAYEY SAND with or without gravel ML SILT with low plasticity and with or without sand or gravel LIQUID LIMIT CL LEAN CLAY with low plasticity <50 — — — and with or without sand or gravel FINE ORGANIC SILT with low plasticity GRAINED SILT _ _ _ OL and with or without sand or gravel SOILS AND WITH CLAY MH ELASTICS LT without h lowsand plasticity MORE THAN and with orwithout sand or gravel 50%FINES LIQUID LIMIT FAT CLAY with low plasticity >50 CH and with or without sand or gravel ' OH ORGANIC SILT OR CLAY with low plasticity and with or without sand or gravel HIGHLY ORGANIC SOILS 0 PT PEAT ' LEGEND KEY TO LOGS AND SOIL CLASSIFICATION DATE: 5124/200 ANALYST:OI...re FIG RE: mAr�I��® C-� From Science to Solutions s iEET 2O 2 1 i