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CLEAR ANC ANC ES. Two main elements of a Clearance 1.Visual examination.

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Presentation on theme: "CLEAR ANC ANC ES. Two main elements of a Clearance 1.Visual examination."— Presentation transcript:

1 CLEAR ANC ANC ES

2 Two main elements of a Clearance 1.Visual examination

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12 Two main elements of a Clearance 2. Environmental Sampling

13 garage living room bedroom 1 kitchen bedroom 2 bedroom 3 porch bath laundry SAMPLE HOME 1951 Ranch 2 adults 3 kids (ages 17, 15, and 2)

14 Clearance Scenario #1: All windows replaced in living room (LHR) Contractors removed windows from exterior after facing the interior with poly sheeting Replaced front threshold (LHR) L.R.

15 living room front steps How many clearance samples and where?

16 After abatement with containment, the risk assessor shall take 1 dust sample from 1 window, if available, and 1 dust sample from the floor of not less than four rooms, hallways, or stairwells within the containment area. In addition, 1 dust sample from the floor outside the containment area. If there are less than 4 rooms, hallways, or stairwells within the containment area, then all rooms will be sampled. [R 325.9917(b)(i)]

17 How many clearance samples and where? 4 1 2 11 10 8 7 9 6 5 3

18 Clearance Scenario #2: All windows replaced in living room (LHR) Contractors used area containment Replaced front threshold (LHR) L.R.

19 1 2 4 5 How many clearance samples and where? 3

20 Clearance Scenario #3: All windows replaced (LHR) Occupants relocated No containment

21 After abatement with no containment, the risk assessor shall take 2 dust samples from not less than four rooms, hallways, or stairwells. One dust sample from 1 window, if available, and 1 dust sample from the floor of each. If there are less than 4 rooms, hallways, or stairwells, then all rooms will be sampled. [R 325.9917(b)(ii)]

22 4 12 8 7 6 5 3

23 D A B C 5’ minimum Now, after cleanup, where will the clearance samples be taken?   Visual

24 Window replacement Exterior removal Interior faced with plastic ??????????

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