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Informational Water Quality Report El National Testing <br /> Laboratories, Ltd. <br /> Loudoun County <br /> Client: Quality Wattor Avt.alySi,3 <br /> 6571 Wilson Mills Rd <br /> Cleveland,Ohio 44143 <br /> 1-800-458-3330 <br /> Sample Number: 846603 <br /> Ordered By: <br /> Tetra Tech Location: Round Oak Farm, Roure Well#5 <br /> 45610 Woodland Road Suite 400 <br /> Sterling,VA 20166 Type of Water: <br /> ATTN: Bob Cohen <br /> Collection Date and Time: 7/17/2014 17:40 <br /> Received Date and Time: 7/18/2014 09:20 <br /> Date Completed: 7/28/2014 <br /> Definition and Legend <br /> This informational water quality report compares the actual test result to national standards as defined in the EPA's Primary and <br /> Secondary Drinking Water Regulations. <br /> Primary Standards: Are expressed as the maximum contaminant level(MCL)which is the highest level of contaminant that <br /> is allowed in drinking water.MCLs are enforceable standards. <br /> Secondary standards: Are non-enforceable guidelines regulating contaminants that may cause cosmetic effects(such as skin <br /> (Dr or tooth discoloration)or aesthetic effects(such as taste, odor,or color)in drinking water. Individual <br /> states may choose to adopt them as enforceable standards. <br /> Action levels: Are defined in treatment techniques which are required processes intended to reduce the level of a <br /> contaminant in drinking water. <br /> mg/L(ppm): Unless otherwise indicated, results and standards are expressed as an amount in milligrams per liter or <br /> parts per million. <br /> Minimum Detection The lowest level that the laboratory can detect a contaminant. <br /> Level(MDL): <br /> ND: The contaminant was not detected above the minimum detection level. <br /> NA: The contaminant was not analyzed. <br /> The contaminant was not detected in the sample above the minimum detection level. <br /> The contaminant was detected at or above the minimum detection level, but not above the referenced standard. <br /> The contaminant was detected above the standard,which is not an EPA enforceable MCL. <br /> MP The contaminant was detected above the EPA enforceable MCL. <br /> XThese results may be invalid. <br /> • <br />