SITE HISTORY - Laserfiche WebLink

Home Browse Search

WELL LOG KEY TO ABBREVIATIONS k Drilling M tft d f Gravel Pack HSA- Hollow stem augerk CA-Coarse aquarium sand CFA-Continous flight auger°; Air- Reverse air circulation . Sampling,, Method Cal. Mod. - California modified split-spoon sampler(2" inner diameter) driven 18"by a ! 140-pound hammer having a 30"drop. Where penetration resistance is f designated"P" sampler was instead pushed by drill rig. ! Disturbed -Sample takerrfrom drill-return materials as they surfaced. Shelby -Shelby Tube thin-walled sampler(3"diameter),where sampler is pushed by drill-rig. Moisture -Content Sort€nci Plasticltv H-NU (ppm) Dry -Dry ; PS - Poorly sorted L - Low N D - No detection DP -Damp MS - Moderately sorted M- Moderate Mst - Moist Wt -Wet WS -Well sor#ed H -High - Sat -Saturated Sample Preserved for r Laboratory Testing sample - First encountered gro sampled water led recovery p interval -Static ground water level Density —(Blows/Foo Cal Mod Sampler) Sands and gravels Silts and Clays 0-5 -Very Loose 0-2 -Very Soft 5- 13 -Loose2.4 Soft 13=.38 - Medium dense 4-9 _Firm 38- 63. - Dense9-17 -Stiff. over 63 -Very dense 17-37 -Very Stiff 37-72 -Hard over 72 -Very Hard I GRAIN - SIZE SCALE 3 GRADE LIMITS GRADE NAME ` U.S. Standard inch sieve size -- 12.0 ---- ------- --------- — Boulders --- -- 3.0 -- 3.0 in. -- ----------------- 3.0 ---- ------------ Cobbles - 0.19 - No. 4 -- .. :, --- ..__ _._ ... - -...._._ . Gravels -- 0.08 --- No. 10 ---' ,— coarse — _ --- -- ----------- medium Sand -----�- No. 40 -------- ------�—��— fine -- --- -- No. 200 --- -- ----------- —————————— � ------ Silt Clay Size t PACIFIC ENVIRONMENTAL GROUP, INC.