Testing Activities. On the testing day, we will first conduct a building survey of your property in order to record general characteristics of your building. We have enclosed a copy of a building survey for your review. There is no need to complete this now; our trained technician will complete it on the day of testing. After completing the survey, indoor air testing will be conducted on the first floor. EnviroForensics, LLC ▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇ ▇, ▇▇▇▇▇▇▇▇ ▇▇, ▇▇▇▇▇ Phone: ▇▇▇-▇▇▇-▇▇▇▇ • Fax ▇▇▇-▇▇▇-▇▇▇▇ The sampling containers are small metal canisters, similar in size/shape to a soccer ball. The canisters will be opened and left in place to collect an air sample over a period of 8 hours. You can see a picture of the canisters on the enclosed information sheet. It’s as simple as placing the canisters in position, starting the 8-hour timer, then closing and removing the canisters approximately 8 hours later. These canisters make no noise and should not interfere with your normal, daily activities; however, the canisters should not be moved or disturbed during the sampling process. Upon completion of the indoor air sampling, we would then collect two (2) sub-slab vapor samples from beneath the basement slab of your building. To collect the sub-slab vapor samples, we will initially drill a 1 ½-inch diameter hole into the slab to a depth of approximately 1 ¾- inches at each location. A 5/8-inch diameter hole is then drilled through the center of the hole and advanced completely through the concrete slab. The holes will be drilled using a common hammer drill found at any hardware store. A sampling port is then installed at each location to facilitate sample collection, which involves placing a stainless steel tube wrapped in silicone into the hole. The ports will be installed flush with the existing floor to not create a trip hazard in your building. A small, stainless steel cover would cap each sampling port and the ports would be left in for one additional sampling event. The WDNR requires that one sampling event be performed in the heating months between November and March, and one sampling event be performed in the non-heating months (typically between April and October). After the sampling events are completed, the sampling ports will be removed and the holes in the concrete will be repaired with cement. The sampling ports will be located in a low-traffic area where possible, and where agreed upon with you prior to conducting sampling activities. We anticipate the sampling port installation will take approximately one (1) hour. Additional details on indoor air and sub-slab vapor sampling procedures are provided in the enclosed information sheet. A brief video describing the procedures for collecting indoor air and sub-slab vapor is also available at our website: ▇▇▇▇://▇▇▇.▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇.▇▇▇/testing-indoor-air-vapor-intrusion/. EnviroForensics does not anticipate there would be damage to your property from the sampling activities. Nonetheless, EnviroForensics agrees to promptly repair damages to your property should damages occur as a result of our field activities.
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Sources: Access Agreement
Testing Activities. On the testing dayUpon accessing your property, we will would first conduct a building survey of your property facility in order to observe and record general characteristics of your the building. We have enclosed a copy of a building survey for your review. There is no need to complete this now; our trained technician will complete it on the day of testing. After completing the survey, we would then like to conduct indoor air testing will be conducted on each level of the first floorhome (including the basement if applicable) and sub-slab vapor sampling from beneath the lowest level. The indoor air EnviroForensics, LLC ▇▇▇ N16 ▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇ ▇, ▇▇▇▇▇▇▇▇ ▇▇, ▇▇▇▇▇ Phone: ▇▇▇-▇▇▇-▇▇▇▇ • Fax ▇▇▇-▇▇▇-▇▇▇▇ The sampling containers are would include placing and leaving a small metal canisterscanister, similar in size/shape to a soccer ball. The canisters will be opened and left in place to collect an air sample basketball, within the living space of the home over a period of 8 24 hours. You can see a picture of the canisters on the enclosed information sheet. It’s as simple as placing We would place the canisters in position, starting start the 824-hour timer, then closing and removing remove the canisters approximately 8 24 hours later. These canisters make no noise and should not interfere You would be able to continue with your normal, daily activities; howevereveryday activities during the 24-hour period. However, the canisters should not be moved or disturbed during the sampling process. Upon completion of the indoor air samplingsampling the following day, we would then collect two (2) the sub-slab vapor samples soil gas sample from beneath the basement slab of your buildinghome. To collect the sub-slab vapor samplessample, we will need to initially drill a 1 ½-inch diameter hole into the slab basement floor to a depth of approximately 1 ¾- inches at each locationinches. A 5/8-inch diameter hole is would then be drilled through the center of the previously drilled hole and advanced completely through the concrete slab. The holes hole will be drilled using a common hammer simple hand-held drill found at any hardware storetools. No large equipment is anticipated. A sampling port is would then be installed at each location to facilitate sample collection, which involves placing a stainless steel tube wrapped in silicone into the hole. The ports will be installed flush with the existing floor to not create a trip hazard in your building. A small, stainless steel steel, flush mount cover would cap each be placed over the sampling port and the ports port would be left in for one additional sampling event. The WDNR requires that one sampling event be performed in the heating months between November and March, and one sampling event be performed in the non-heating months (typically between April and October). After place after the sampling events are completedto facilitate future activities as additional samplings may be necessary, per the sampling ports will be removed and the holes in the concrete will be repaired with cementWDNR guidelines. The sampling ports will point would be located in a low-traffic area where possible, and where agreed upon with you prior to conducting sampling activities. We anticipate installation of the sampling port installation will take approximately one (1) hour. Additional details on indoor air and sub-slab vapor sampling procedures are provided in the enclosed information sheet. A brief video describing the procedures for collecting indoor air and sub-sub- slab vapor is also available at our website: ▇▇▇▇://▇▇▇.▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇.▇▇▇/testing-indoor-air-air- vapor-intrusion/. EnviroForensics does not anticipate there would be damage to your property from the sampling activitiesWork. Nonetheless, EnviroForensics agrees to promptly repair damages to your property should damages occur as a result of resulting from our field activities. Once approved by the WDNR, EnviorForensics will remove the sample port and restore the ground surface.
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Sources: Access Agreement