Laserfiche WebLink
Thatcher Chemical Tank Closure, 12/28/20 <br /> ACT% <br /> enviro <br /> • Photos of all pH strips are included as Attachment A. <br /> • In summary, all surface pH measurements were between pH 7-8 <br /> This evaluation shows that the cleaning and decontamination activities conducted by Thatcher <br /> were effective and that there is no remaining surface contamination. Based on this, UPCF <br /> Tanks Closure Certification forms have has been completed for the 4 tanks and signed by a <br /> Certified Industrial Hygienist. These are included below as Attachment B <br /> T408.548.5050 967 Mabury Road,San Jose,CA 95133 <br /> F 408.548.5052 www.ACTenviro.com Page 3 of <br />