2009-04-20_GENERAL DOCUMENTS - M2009076 ‎(8)‎

• Permit No: M2009076
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 4/20/2009
• Doc Name: Dec. Order Presentation, 4F to 4N
• From: Venture Resources
• To: DRMS
• Permit Index Doc Type: Gen. Correspondence
• Media Type: D
• Archive: No

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Work Order: -6 - ?r16? Sample: D 4 Tech: Gs xl -"
Date:A/- / Client: Matrix: Comments:
Determination of extraction fluid:
5g sample + 96.5 mL H2O, stir 5 minutes ....................
Is pH <5.00?
Yes Use extraction fluid #1.
No d Add 3.5 mL 1 N HCI, heat to 50°C far 10 m
......................................................................................
Is pH <5.00?
Yes r/ Use extraction fluid #I.
No Use extraction fluid 42.
Net weight of sample-7 X 20 = mLs of extr
Sample required extraction fluid # L with pH of
(# 1 pH 4.88 to 4.98, #2 pH 2.83
Time rotation started 4! 9opm?4topped-'
po
.......................Initial pH c.'O
cool to room temp. 6 :7
..............Check pH liv--l
ion fluid 24M mLs.

7 ^V.......Final PH 9S -q0
Work Order: Sample:
Date: Client: Matrix:
Comments:
Determination of extraction fluid:
Sg sample .+ 96.5 mL H2O, stir 5 minutes ...........................................Initial pH
Is pH <5.00?
Yes Use extraction fluid #1.
No Add 3.5 mL IN HCI, heat to 50°C for 10 min., cool to room temp.
.........................................................................................................Check pg______
Is pH <5.00?
Yes Use extraction fluid #1.
No Use extraction fluid #2.
Net weight of sample R X 20 = mLs of extraction fluid mLs.
Sample required extraction fluid # with pH of i
(#I pH 4.88 to 4.98, #2 pH 2.83 to 2.93)
Time rotation startedpm Stopped am ...........Final pH
•
Tech: