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GRAPHIC LOG SYMBOLS <br />CL~!lIrIC~TIOM fYWOL <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br /> °•o °, e• <br />GW °•' ° °• <br />e; c. <br /> b o. <br /> o ° <br /> <br />GP a° ° <br />0 ° ° <br /> p °e 0 <br />GM <br /> <br />GC ay'0~ . <br />° <br />d% <br /> . <br />~ <br /> ./• yo <br />SW <br />SP ~-~• <br />SM <br /> .: ,/• <br />•/. ~i '. <br />~' <br />l <br />SC ~: <br />~ <br /> ~~ ~; r <br />ML <br /> i ~ i, <br />~ ~i <br />CL ,'~ , <br /> i ii <br /> <br /> <br />OL <br /> <br /> <br />MH <br /> /~ <br /> <br />CH i <br />i~~ <br /> ~ <br />~~i <br /> <br /> <br />OH <br /> <br />PI <br /> <br />DENSITY AND CONSISTENCY <br />BASED ON <br />STANDARD PENETRATION TESTS <br />STANDARD PENETRATION RESISTANCE IS THE NUMBER <br />OF BLDIYS REQUIRED TO DRIVE A STANDARD 2 INCH <br />O.D. SPLIT BARREL SAMPLER 12 INCHES USING A 140 <br />POUND HAMMER FAILING FREELY THROUGH 30 INCHES. <br />THE SAMPLER IS DRIVEN 18 INCHES AND THE NUMBER <br />OF BLOWS IS RECORDED FOR EACH 6 INCH INTERVAL. <br />THE NUMBER OF BLOWS REQUIRED TO INCREASE <br />PENETRATION FROM 6 TO IB INCHES CONSTITUTES THE <br />STANDARD PENETRATION RESISTANCE (N). <br />DENSITY OF GRANULAR SOILS CONSISTENCY OF COHESIVE SOILS <br />crucLr °cuuLU clurhte u~culuLCl <br />DESIGNATION BLOWS PER F00T CONSISTENCY BLOWS PER FOOT <br />VERY LOOSE 0-4 VERY SOFT 0-2 <br />LOOSE 4-10 SOFT 2-4 <br />MEDIUM DENSE 10-30 MEDIUM STIFF 4-8 <br />DENSE 30-SO STIFF 8-IS <br />VERY DENSE OVER 50 VERY STIFF 15-30 <br /> HARD OVER 30 <br />DESCRIPTIVE TERMS <br />GRANULAR PORTION <br />09'0- 159'0 TRACE <br />159'0-309'o SOME <br />309'0- 30% USE SUBJECT MATERIAL AS MODIFIER <br />FlNE~iRAMED PORTION <br />0%- 5°,(o TRACE <br />5%- 129'o SOME <br />129'0' S0°~ USE SUBJECT MATERIAL AS MODIFIER <br />SAMPLING SYMBOLS <br />SOIL SAMPLING CORE RUN <br />~3TANDARD PENETRATION TEST <br /> ®"LNDISTURBED~~ SAMPLE USING <br />#f ur-c~usc °sc° THIN-WALLED SAMPLER- <br />ral ~uor~TO,rT <br />TtlT ttfrlrlCJT10M ("SHELBY TUBE°), <br />Lorcll cyst alto row <br />visurL cL~wnlurrow <br />~-"UNDISTURBED° SAMPLE USING <br /> OTHER SAMPLER <br />® BAG OR BULK SAMPLE <br />FROM AUGER <br />KEY TO LOGS OF BORINGS <br />PERCENT CORE RECOVERY <br />f ~RQD(ROCK QUALITY <br />~ DESIGNATKN-PERCE TAGE <br />67 - OF CORE RECOVERED IN <br />LENGTHS GREATER THAN <br />FOUR INCHES), <br />T <br />I PACKER TEST SECTION <br />I <br />I <br />152-MEASURED PERMEABILITY <br />I (IN FEET/YEAR,UNLESS <br />1 <br />1 NOTED OTHERWISE). <br />GEO-HYDRO CONSULTING,IHC. <br />PLATE A-2 <br />