2019-11-27_HYDROLOGY - M1977300 (8)

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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: L50182 Schwarzwalder Mine Date Received: 02/27/2019 11:02 Received By: Date Printed: 2/28/2019 Redelpt Verification 1- 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 AM 3) Does this project require special handling procedures such as CLIP 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 7)Were any changes made to the Chain of Custody form prior to ACZ receiving the samples? X 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 X L50182-01 Container B2097505 (GREEN PC) : Added 1 mis nitric acid to the sub-sample to adjust the pH to the appropriate range. L50182-01 Container B2097511 (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 Cooler Id Temp(°C) Temp Rad(pR/Hr) Custody Seal Criteria(°C) Intact? --------- -------- ------------ ---------- ------------ 6342 3.6 <=6.0 15 Yes REPAD LPII 2012-03 L50182-1909231510 Page 29 of 31