2019-11-27_HYDROLOGY - M1977300 (9)

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ACZ Laboratories, Inc. • 2773 Downhill Dnve Steamboat Spnngs, CO 80487 (800)334-5493 • " • Alexco Water and Environment Inc. ACZ Project ID: L50184 Schwarzwalder Mine Date Received: 02/27/2019 11:03 Received By: Date Printed: 2/28/2019 )Recilpt Verification YES NO NA 1) Is a foreign soil permit included for applicable samples? X 2) Is the Chain of Custody form or other directive shipping papers present? X 3)Does this project require special handling procedures such as CLP protocol? X 4)Are any samples NRC licensable material? X 5)If samples are received past hold time, proceed with requested short hold time analyses? X 6)Is the Chain of Custody form complete and accurate? X AM 7)Were any changes made to the Chain of Custody form prior to ACZ receiving the samples? X r YES NO NA 8)Are all containers intact and with no leaks? X 9)Are all labels on containers and are they intact and legible? X 10)Do the sample labels and Chain of Custody form match for Sample ID, Date,and Time? X 11)For preserved bottle types,was the pH checked and within limits? 1 1 X L50184-01 Container B2097541 (GREEN PC) : Added 1 mis nitric acid to the sub-sample to adjust the pH to the appropriate range. L50184-01 Container B2097548 (GREEN CUBE) : Added 10 mis nitric acid to the sub-sample to adjust the pH to the appropriate range. 12)Is there sufficient sample volume to perform all requested work? X 13) Is the custody seal intact on all containers? X 14)Are samples that require zero headspace acceptable? X 15)Are all sample containers appropriate for analytical requirements? X 16)Is there an Hg-1631 trip blank present? X 17)Is there a VOA trip blank present? X 18)Were all samples received within hold time? X NA indicates Not Applicable r Cooler Id Temp(°C) Temp Rad(UR/Hr) Custody Seal Criteria(°C) Intact? --------- -------- ------------ ---------- ------------ 4752 1.3 <=6.0 17 Yes REPAD LPII 2012-03 L50184-1909231416 Page 29 of 31