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Wright Environmental Services, Inc. 4. Split spoon soil samples 'in the brass liners in the sampling tool (depending on sample recovery) will be retained for chemical or physical testing. The samples will be labeled and sealed in the field in their original liners. Sample liners ends will be sealed with aluminum foil or Teflon®, capped with clean cap plugs, and labeled and logged onto chain of custody forms. All samples retained for chemical analto the iaboratos will e stored chain-of on ice ln a custody below)red cooler-box/ice chest for transport Laboratory S. The remaining soil sample will be extruded from the other rings in the field and lithologically logged using the USCS and collecting field evidence of contaminants and geologic information. Sampler shoe cuttings logging, blow counts, drill rig response and bit penetration rate and sample recovery may also be logged. A lithology exploratory boring log will Thmlo e of will t e maude efi riais encountered and sample depth for each boring. g descriptions of the soil lithologic variations, moisture conditions, geologic data, and any unusual characteristics which may indicate the presence of chemical contamination. Where tsamples clas mple sclassify the soil saexcavations, the USCS sail classification system will be used Contaminated drill cuttings and the soils samples not retained for chemical analysis will be placed. in 55-gallon drums or on plastic sheets and covered pending chemical analysis and proper off-site disposal as needed. Fluids produced during drilling will be drummed to minimize surface contamination. Ultimate proper storage and disposal of contaminated materials is the responsibility of the Client or site owner. Reconnaissance Soil Sampling Procedures 1. Soil sampling tools (split spoons, cores, etc.) will be disassembled, steam- cleaned or cleaned in soapy (TSP) water, rinsed with clean tap water and finally rinsed with or distilled water, and air-dried prior to taking each sample. The cleaned tools will then be reassembled with similarly cleaned, dry brass sample liners and carefully lowered into the hollow stem augers for the collection of the ne sample. The drill rig Will be decontaminated as needed and at the disc.et_o__ Pg:ng geologist. 2. When sampling stockpile soils or during soil excavations, the soil sample will be collected by the following procedure; a clean brass liner will be pushed into the stockpile or excavation sidewall, or soil in the excavator bucket. About two inches of soil will be brushed away and the liner pushed into the soil, completely filling it. The liner may be advanced bis thenslide re removesealed, labeled and spoon or and logged onto crectly h n- the ring into the soil. The lin of-custody forms and packed in a chilled ice chest. last rev. 5/96 Page 2 WPS Sampling Protocols =