Laserfiche WebLink
casing volume. Once the well is purged and indicator <br /> after <br /> parameters have stabilized, a sample will be collectednitial <br /> the water level approaches 80 perce sowof its <br /> sample <br /> elevation. Where water level recovery <br /> will be collected after stabilization is achieved and enough <br /> water is present to fill same <br /> le s. <br /> Cross contamination from transferring pumps (or bailers) <br /> from well to well will be avoided by utilizing dedicated <br /> equipment. Where this is not feasible, thorough cleaning of <br /> equipment will be performed between sampling rounds. <br /> Sampling will Proceed from the least contaminated to the <br /> most contaminated well, if information is available before <br /> sample collection,types off analysis it is indicated <br /> be yperformedia for ea <br /> Where several <br /> given well, individual samples will be collected in the <br /> following order: <br /> 1. Volatile organics <br /> 2. Purgeable organic carbon <br /> 3. Purgeable organic halogens <br /> 4. Total organic carbon <br /> 5. Total organic halogens <br /> 5. Extractable organics <br /> 7. Total metals <br /> g. Dissolved metals <br /> 9. Phenols <br /> 10. Cyanide <br /> The secific analytical methods volatibe Utilize for the common <br /> le/semivola ile to analyses are shown on Table 2 <br /> Groundwater samples will be collected teflon 1 cate sa plesll will <br /> bottom emptying device- <br /> transferred <br /> transferred to vials or containerwatertfmeet <br /> theRegional <br /> Board <br /> i <br /> specifications (Table l)• the fluid <br /> be transferred to the sample container by allowing <br /> to flaw slowly along the sides of the vessel. All <br /> eninp Of the to <br /> containers will be filled above the t°ce should be present <br /> form a positive meniscus. No head spa <br /> in the sample container once it is sealed. After the vial is <br /> capped it will be inverted to check for air bubbles. If <br /> and <br /> bubbles are present the sample will be discarded <br /> replaced. If it is not <br /> Possible <br /> osible t be noted a onmp he field <br /> head space, the problem <br /> technician's sampling log. <br /> Immediately following sample collection, samples will be <br /> ice chest containing frozen <br /> ,labeled and stored in an <br /> chemical ice sealed in plastic bags. Sample labels will <br /> contain the following information: date, time, project ID, <br /> sample 7D, name of sampler and type of analysis. All <br /> samples will be transported under chain-af-custody protocole <br /> ]. <br /> to aof filled find theoratory within 24 hours- A laboratory wamp <br /> ith organic free swatter <br /> container <br />