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i <br /> ' =" Table 1 Supply List <br /> • -2-4 YY Supply Type Supplier Pickup (Date) Acquired/Ordered <br /> r <br /> Calculator EI p� <br /> Disposable Gloves EnviroTech <br /> Tyvek Suit, Disposable EnviroTech [� <br /> Paper Towels OSH <br /> Trash Bag, Large OSH <br /> Nylon Cord OSH [� <br /> 5 Gal Bucket (2) OSH p� <br /> Decon Detergent, Liquinox EnviroTech <br /> 55 Gal Drum CTL [� <br /> Purge Pump EI fee++tf- Jz/j6�o4 <br /> �Y Vinyl PVC Tubing (150') EnviroTech <br /> Bailers (3) EnviroTech [>Y <br /> F }' Bailers, Weighted (2) EnviroTech ❑ <br /> Sample Containers Precisionch GY <br /> Cooler w/ Ice Precision ❑ <br /> :l <br /> w`_,_ Sample Labels EI p/ <br /> • Fa_= Chain of Custody Precision [� <br /> . = <br /> - Hanna pH/Gond/Temp EnviroTech Iz/V/f 1y <br /> Oil/Water Interface Probe EnviroTech i,7/111aq COY <br /> Groundwater Sampling Procedures <br /> ' Special care will be exercised to prevent contamination of the groundwater and <br /> extracted samples during the sampling activities The two primary ways in which <br /> such contamination can occur are <br /> ■ Contamination of a sample through contact with improperly cleaned <br /> equipment <br /> ' f ■ Cross-contamination of the groundwater through insufficient cleaning of <br /> equipment between wells Pre-cleaned disposable sampling equipment will be <br /> rinsed with distilled water prior to use <br /> To prevent such contamination, sampling equipment and sample containers will be <br /> thoroughly cleaned before and after field use and between uses at different sampling <br /> locations according to the decontamination procedures In addition to the use of <br /> properly cleaned equipment,two further precautions will be taken <br /> A clean pair of new, disposable latex (or similar) gloves will be worn each <br /> time a different well is sampled <br /> 2 <br />