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Muro, Claudia From . John Schallberger <joschallberger@lindenusd .com > Sent : Friday, September 27, 2019 2 : 58 PM To : Muro, Claudia Cc: Brian Neugebauer; Andrew Ryan Subject : Fwd : Hazardous materials Attachments : LHS hazwastedisposal . pdf i Good afternoon Claudia, Below is the information you requested from our teacher . Let me know if you have any questions . John Schallberger Assistant Principal Linden High School Confidentiality Notice : This communication and any documents, files or previous e-mail messages attached to it constitute an electronic communication within the scope of the Electronic Communications Privacy Act, 18 ISCA 2510 . This communication may contain non-public, confidential or legally privileged information intended for the sole use of the designated recipient(s). The unlawful interception, use or disclosure of such information is strictly prohibited under 18 USCA 2511 and any applicable laws ---- ---- -- Forwarded message -- --- ---- From : Brian Neugebauer <bneu ebauer@lindenusd . com> Date : Fri, Sep 27, 2019 at 2 : 55 PM Subject : Hazardous materials To : John Schallberger <ioschallber eg_rklindenusd . com> Claudia, The only hazardous acid that we dispose of in the Linden High School science labs are 1 Molar Hydrochloric acid. This is left over from our Acid- Base reactions and Endothermic and Exothermic reactions . We are disposing our acid per our manufacturers suggestion . We take the leftover Hydrochloric acid and mix it with Sodium hydroxide and neutralize it. This reaction makes water and salt which we then pour down the public utilities drain with over 5 Liters of water per Liter of neutralized substance . There are two teachers that are on campus that are trained to handle hazardous materials and dispose of acids . Andrew Ryan and myself (Brian Neugebauer) . I have attached an updated copy of our completion certificates 1