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- -y orf n..-'rs�%r.'�s.:�-'+.,.��3.,..., r..ts�..�..-rY-.^. ,.-.e -...�rvi :-a...n..-a .. -=.7"v-rw....• _r..<".¢a./a: Z.y.C. <br /> •� �.:C= ♦f,: x:t. '' :c:�4i^ _ - '•s' to ` :ff �>� .... '' "'r �"ry •~r f r <br /> DISPOSAL OF CONTAMINATED XATERIALS <br /> ' OHM considers all sampling materials to be contaminated and <br /> collects them for disposal in a drum which will be adequately <br /> ' marked and left on site, and then disposed of: t.:HE12u- <br /> EQUIPMENT DECONTAMINATION <br /> Sampling equipment will be decontaminated as follows: <br /> o Visible gross 'contamination (always supposed the exist <br /> ' as a .rigorous analytical assumption) will be removed <br /> with a solution into which the analyte of interest will <br /> be at least partially soluble (e.g. , Alconox detergent <br /> ' solution for oils which are hydrophobic) . <br /> o The first solution (now considered the gross . <br /> contaminant) will be removed by rinsing with a second <br /> non-contaminated solution (deionized water) . <br /> o The rinse will be repeated (deionized water) . <br /> ' o A final rinse sequence, with a substance in which the <br /> analyte is highly soluble, will be applied (acetone . <br /> • :' followed by hexane for organics, an acidic solution for <br /> metals) . S}vw a ►�.f+Fa C W444TIfS�?EL l„S��iSF�? DF? <br /> SAMPLE CONTAINERS <br /> Glass sample containers with teflon-lined lids will be used. <br /> These will be inert to the targeted constituents of interest. <br /> ' SAMPLE PRESERVATION <br /> All samples will be preserved in coolers packed with ice or <br /> ' an ice substitute. <br /> SAMPLE SHIPMENTS <br /> ' Samples will be transported in the coolers by overnight <br /> courier. <br /> SAMPLE DOCUMENTATION <br /> The earliest phase of quality assurance/quality control <br /> (QA/QC) is the accurate documentation of each collection point. <br /> Upon sample collection, a sample label will be affixed to the jar <br /> with the date, time, and location of the sample. Also, bound <br /> A sample logs will be kept to record this information, as well as <br /> the collection procedure, sample matrix, and the personnel <br /> collecting the sample. <br /> 1 260 <br />