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Mercury Spill in Lead, SD

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Screening for mercury vapor in the breathing zone in the back of the Art Room (near the teacher's desk).<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3469388888889<br />Longitude: -103.775658333333<br />Tags: High School
Screening for mercury vapor near the floor of the Art Room where mercury spilled under desks.<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3471833333333<br />Longitude: -103.775130555556<br />Tags: High School
Small beads of elemental mercury were observed on the floor throughout the student desks in the Art Room.<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3470777777778<br />Longitude: -103.775213888889<br />Tags: High School
Pea-sized beads of elemental mercury were observed under the desks in the Art Room. Smaller beads of elemental mercury can be seen directly in front of the desk leg.<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3469861111111<br />Longitude: -103.775269444444<br />Tags: High School
Screening for mercury vapor in the breathing zone of the Pottery Room attached to the Art Room. <br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3470222222222<br />Longitude: -103.776061111111<br />Tags: High School
Cracking open the door to the Chemistry Laboratory to record an initial reading of mercury vapor in the breathing zone.<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3472333333333<br />Longitude: -103.776344444444<br />Tags: High School
Multiple pin-sized beads of elemental mercury were observed under the desks of the Chemistry Laboratory.<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3470805555556<br />Longitude: -103.776152777778<br />Tags: High School
Screening for mercury vapor in the breathing zone of the Chemical Storage Room, attached to the Chemistry Laboratory, where elemental mercury was spilled.<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3470583333333<br />Longitude: -103.776091666667<br />Tags: High School
Screening for mercury vapor in the Principal's Office, where a student was brought to after being observed handling the mercury.<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3471833333333<br />Longitude: -103.776344444444<br />Tags: High School
Response Team screened for mercury vapor near the floor of a bedroom where the mercury was spilled and recorded readings of 106,600 ng/m3.<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3510694444444<br />Longitude: -103.769172222222<br />Tags: Residence
Screening the clothes near the location of a mercury spill with a Jerome mercury vapor analyzer.<br />Date Taken: 12/15/2022<br />Category: Dec 15<br />Latitude: 44.3510666666667<br />Longitude: -103.769172222222<br />Tags: Residence
Winter conditions at the High School.<br />Date Taken: 12/16/2022<br />Category: Dec 16<br />Latitude: 44.347875<br />Longitude: -103.776405555556<br />Tags: High School
Response Team freed homeowner's vehicle following historic blizzard conditions in the area.<br />Date Taken: 12/16/2022<br />Category: Dec 16<br />Latitude: 44.3509916666667<br />Longitude: -103.769011111111<br />Tags: Residence
Screening a student locker for the presence of mercury.<br />Date Taken: 12/17/2022<br />Category: Dec 17<br />Latitude: 44.3469694444444<br />Longitude: -103.775863888889<br />Tags: High School
Using a flashlight to locate beads of elemental mercury in room 409.<br />Date Taken: 12/17/2022<br />Category: Dec 17<br />Latitude: 44.3470039444444<br />Longitude: -103.776400194444<br />Tags: High School
Pin-sized beads of elemental mercury on the floor of room 409, near the semi-circle desk in the back of the room.<br />Date Taken: 12/17/2022<br />Category: Dec 17<br />Latitude: 44.3469700833333<br />Longitude: -103.776357638889<br />Tags: High School
Locating and vacuuming beads of elemental mercury with a mercury specific vacuum in room 409.<br />Date Taken: 12/17/2022<br />Category: Dec 17<br />Latitude: 44.3470396111111<br />Longitude: -103.776391655556<br />Tags: High School
Testing the clothing of a student who was exposed to mercury at the High School during a screening of the student's home.<br />Date Taken: 12/18/2022<br />Category: Dec 18<br />Latitude: 44.2666944444444<br />Longitude: -103.814772222222<br />Tags: Residence 1
Applying a mercury absorbing solution to clean the hallways of any contamination.<br />Date Taken: 12/19/2022<br />Category: Dec 19<br />Latitude: 44.3472222222222<br />Longitude: -103.776122222222<br />Tags: High School
Cleaning the hallways of non-hazardous Merc-X residue. <br />Date Taken: 12/19/2022<br />Category: Dec 19<br />Latitude: 44.3470916666667<br />Longitude: -103.776244444444<br />Tags: High School

Screening for mercury vapor in the breathing zone in the back of the Art Room (near the teacher's desk). Screening for mercury vapor near the floor of the Art Room where mercury spilled under desks. Small beads of elemental mercury were observed on the floor throughout the student desks in the Art Room. Pea-sized beads of elemental mercury were observed under the desks in the Art Room. Smaller beads of elemental mercury can be seen directly in front of the desk leg. Screening for mercury vapor in the breathing zone of the Pottery Room attached to the Art Room. Cracking open the door to the Chemistry Laboratory to record an initial reading of mercury vapor in the breathing zone. Multiple pin-sized beads of elemental mercury were observed under the desks of the Chemistry Laboratory. Screening for mercury vapor in the breathing zone of the Chemical Storage Room, attached to the Chemistry Laboratory, where elemental mercury was spilled. Screening for mercury vapor in the Principal's Office, where a student was brought to after being observed handling the mercury. Response Team screened for mercury vapor near the floor of a bedroom where the mercury was spilled and recorded readings of 106,600 ng/m3. Screening the clothes near the location of a mercury spill with a Jerome mercury vapor analyzer. Winter conditions at the High School. Response Team freed homeowner's vehicle following historic blizzard conditions in the area. Screening a student locker for the presence of mercury. Using a flashlight to locate beads of elemental mercury in room 409. Pin-sized beads of elemental mercury on the floor of room 409, near the semi-circle desk in the back of the room. Locating and vacuuming beads of elemental mercury with a mercury specific vacuum in room 409. Testing the clothing of a student who was exposed to mercury at the High School during a screening of the student's home. Applying a mercury absorbing solution to clean the hallways of any contamination. Cleaning the hallways of non-hazardous Merc-X residue. Conducting 8-hr clearance monitoring run inside a classroom. Vacuuming beads of elemental mercury with a mercury specific vacuum in the hallway outside of a men's restroom. Small beads of elemental mercury were observed on a work bench in the Welding Workshop at the High School. Screening of work boots at the end of each day. Applying a mercury absorbing solution to clean the work bench in the Welding Shop of any contamination. Screening for mercury vapor in the Welding Shop after removing visible elemental mercury beads from a work bench area. Screening for mercury vapor in the school buses for the Lead-Deadwood Schools. Screening for mercury vapor in the breathing zone in a Pre-K Classroom at the Lead-Deadwood Middle School. Screening for mercury vapor in the breathing zone in a student restroom at Lead-Deadwood Middle School. Screening for mercury vapor in the breathing zone in the Lead-Deadwood Elementary School. Screening for mercury vapor in the breathing zone in the Lead-Deadwood Elementary School. Clearance sampling location in the Art Room at Lead-Deadwood High School. Clearance sampling location in a Room 409 (Math Room) at Lead-Deadwood High School. Screening for mercury levels in classrooms at the Lead-Deadwood High School. Clearance sampling location in the Welding Shop at Lead-Deadwood High School. Clearance sampling location in the Elevator at Lead-Deadwood High School. Response Team screened for mercury vapor throughout Lead-Deadwood High School and recorded readings of 275 ng/m3. Screening for mercury vapor in all closets and rooms throughout Lead-Deadwood High School. Response Team screens for mercury vapor throughout Lead-Deadwood High School and recorded readings of 378 ng/m3. Clearance sampling location in the third floor Men's Restroom at Lead-Deadwood High School. Applying heat to clean the cast iron drains and p-trap of a sink in a janitor closet of any contamination.