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FROM URSG W-C SANTA BARBARA eOS 964 02SS 1999. 11-23 16 17 #360 P 03/14 support LS to employ no active remediation uchttique in giaundnater sarttpling dL'%'= Such a device %vw not &Nor of natural in sura auenuatzon processes as the availabie to dose authors. The ICABIS Sampler can be approach to r=cdiauan, Evaluation of anther dedicated. or ann-dedicated. dependrmg oa the �==ruation, particularly in azu bioremadiatton prefaettce of the user Hawever, of the resulhmg f-= MWnple laminal elocrivtt awcptors. relatively =all size:, and the crmaparanve ease and dila sego data, and mmlti-levd &== eoatpleteaess of the ICASIS 5a vier prom to samtpling data is auicai to may be ficely moved from well is with. los €am standard =m==g wells am often derived Som 20MI p omVWd� �g MUM the atsuit M data its a su=r+ed picture of chontCal-aacmbial 'ac KAU Satttpler is made &M high-Srade scadittons, and the potential for natural iR snort winless saeel and is pr+ecmion nifachined and dearo- �Oatsmmaoioe an be either m lownimated os polished to leave the outer and inner stntarrs stmowh mated cntbout rtrulti,4evd discrete per- and is easily decamammnated. Orgame and itmrpmc interval data. wash off qut*dy and easily M s smuhad lbnr4md= deo- tanunation Figmm 1 In view of these facm one can wW= that the provides a proportioned lock at both the general Ptmire of contamination momtonng veer grounclwaer outward appearance of the ampler and the mna sample coilecuon is multi-level discrete point-interval c nfigurauon of the sampling mechanism The sampling (&ILDPIS). DPIS are riot only superior in ICABIS Sampler is COmprssed of essentially five overall asst ravings and accuricy to standard atomwnng well sampling methods. but pfox ide a round basis to Evaluate aquifer remediation opucns. ; One POtesttW Obstacle to the tmplementatton of this approach to groundwater sampling is the Lids of a multi-purpose, cost-effective sampling device which is operational under a wide range of field candiuons KAKIS Sampler has been developed to address need, The xABIS Sampler is designed to be lowered to any gwdfic discrete depth, where, it automatically starts sampling via laattnar flow directly into the sample container, from a discrete point to the water column. Since the sampler is designed to flush Figure I. the receiving vessel a tauumum of aim times before }� obtaining the actual sample. the sample is not truly `---'; The KABIS Sampler discrete, but, rather from a very small inter%ai. The Model-I. Atte that KAKIS Sampler is designed for use in any mtonitonng the sampler loads any well and takes advantage of the well's natural standard 40 ail VOA development and through»well groundwater flow to vial directly rate the eliminate the need for purging prior to sampling. sampler body This Iassures purny of Designs FcatueYw i SlImple...rn-the-field. Barcelona {et aL 1983L present a comprehensive list of design featnress «eCCSS2ZY for arip Smundwater sampler to !Mill its desired purpose of component parts which are rnad uned. faced, rolled, obtaining a viable. representative sample of the welded. and polislud until the final as= ly is gmUMIA S dna regime at a site. Patton and Smith (1988) corttplete Where dessrc& TEFL014W Iinmg of also presort a compo hensrve des=== Of design appmpnnj cmpon=pan is avadablc. dements and crtteria for classxieation of mnitiaevd groundwaates monrtonng wells. The authors classifiied Stxcrf cations wells as either dusiered. nestedor modular nested. In o Materials 321 Stainless cry rase, both authors have stated that multi-level o Length 14 5 inches sampling needs must leave dedicated sampling swims. o Diameter 1.75 inchec One Fundamental design concert which escaped these Q Wig 5 28 pads (appx) authors eras the potential for collecting truly discrete- Fill time 2.0 mutts (apAx) inten-al gromduater samples using a "non-dedicated'