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Laboratory and Field handfing procedures of samples are monitored by including QC <br /> samplers for analysis with every submitted sample lot from a project site. QC samples <br /> may include any combination of the following: <br /> Trip Blanks: Used for purgeable organic compounds only; QC <br /> samples are collected in 40 milliliter (ml) sample vials filled in the <br /> to <br /> analytical laboratory with withorgaproject <br /> water.to sam les. Trip blanks blanks are tare <br /> the project site, and travel with prosect s P <br /> not opened, and are returned from a project site with the project site <br /> samples for analysis. <br /> • Field Blank, l'.repared in the field using organic-free water.andbare <br /> QC samples acco�.rpany project site samples to the to the <br /> project site <br /> analyzed for specific chemical parameters unique to the <br /> where they wr;re prepared. <br /> • ted samples are collected"second samples" from a <br /> Duplicates: Duplica <br /> ect site. They are collected as either split samples <br /> selected well and p ro J <br /> or second-run samples collected from the same well. <br /> • Equipment Blank: periodic QC samples collected from field <br /> equipment rinseate to verify decontanunation procedures. <br /> The number and types of QC samples are determined and analyzed on a project-specific <br /> basis. <br /> r <br /> Shallow Groundwater Survey <br /> shallow groundwater survey employs reconnaissance field sampling and chemical <br /> A occasionally, a state-certified laboratory <br /> analysis for rapid plume mapping. !e for analysis at locations <br /> subcontractor may be used. 'like subcontractor would same robes from which <br /> subcontractor <br /> ct the RESNA field geologist. The thin-diameter png stratum, sample is <br /> markgrour.dwater is collected are advanced d immediately there f e.Probe The les are <br /> shallow <br /> withdrawn to the surface, and analyzed rmittittg agency :eq analysis to RE <br /> backfilled whit a grout slurry or as the local pe <br /> contr^detur will supply sampling, purging, and field cherrucal a y with <br /> surveysiders probe mapping (together <br /> in their report. REeSNAsampling)to be a reconnaissance <br /> on technique only. <br /> shallow gr <br /> RESNA INDUS'ITIIES, INC. <br /> Groundwater Sampling Protocol <br /> Latest Revision: october 23, 1991 <br />