Document XRw301359pyw7wyqpKb6kKJad
A R B fc -0 5 6
ACUTE TOXICITY TO FISH
TEST SUBSTANCE
Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, orFC-143. (Octanoic acid, pentadecafluoro-, ammonium salt, CAS # 3825-26-1)
Remarks: 3M production lot number 390. The test sample is FC-126, a white powdery solid. It's purity was not sufficiently characterized, though current information indicates it is a mixture of 78 - 93% test substance and 7 - 22% C5, C6, and C7perfluoro analogue compounds.
METHOD:
Method: Not stated
Type: Static acute
GLP: No
Year com pleted: 1987
Species: Pimephales promelas
Supplier: Dale Fattig of Brady, Nebraska.
A nalytical m onitoring: Temperature, pH and DO
Exposure period: 96-hours
S tatistical methods: Probit analysis
Test fis h age: Not noted.
Length and weight:
Average length = 3.5 cm
Average weight = 0.30 g
Pretreatm ent: None.
Test conditions: D ilution water: Carbon-filtered well water. D ilution water chem istry (initial): Temperature: 21 C Dissolved Oxygen: 9.3 ppm pH: 7.9
Stock and test solution preparation: Test solutions were created by direct weights addition. Concentrations dosing rate: Once S tability o f the test chemical solutions: Not noted Exposure vessels: 4 liter Pyrex glass beakers containing 3 liters test solution. Number o f replicates: two Number o f fish per replicate: 6 Loading rate: 0.60 g/L Number o f concentrations: five plus a blank control
003869
W ater chem istry during the study: Dissolved oxygen range (24 - 96 hours): 6.6 - 7.4 mg/L (control exposure) 5.6 - 6.6 mg/L (320 mg/L exposure)* pH range (24 - 96 hours): 7.7 - 7.9 (control exposure) 7.7 - 8.0 (320 mg/L exposure)* * 320 mg/L test group (third highest concentration) data given because total mortality occurred in the two higher test concentrations by 24 hours. Test tem perature (24 - 96 hours): 20C
RESULTS
Nominal concentrations: Bk control, 100, 180, 320, 560, and 1000 mg/L Element value: 96-hour LC50 = 301 (244 - 370) mg/L
Element value based on nominal concentrations
CONCLUSIONS
The test sample 96-hour LC50for fathead minnow was determined to be 300 mg/L with a 95% Confidence Interval of 240 to 370 mg/L.
Subm itter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133
DATA QUALITY
Reliability: Klimisch ranking 2. Testing meets the criteria for quality testing. However, sample purity was not properly characterized and it lacks analytical confirmation of test substance concentrations.
REFERENCES
This study was conducted by the 3M Company, Environmental Laboratory, St. Paul, MN, Lab Request Number E1282-1, completed on May 1, 1987.
OTHER
Last changed: 5/24/00
003870
ENVIRONMENTAL LABORATORY
FISH TO XIC ITY DATA SHEET DEFINITIVE (FULL-SCALE TEST)
LRfr/S P S t-/
%
T Y P E T E S T . ^ U ^ A > m P . ^ ^ ( L M A T F R I A I J - g T ^ ^ / r' - l g ^ ___________________ _ L 0 T J 9 % 3
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H-/*1 f PMS O U R C E D A T E REC' D _
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FISH DISEASE TREATMENT.
________________________________________________ ________
TEST SOLUTION V O L U M E ^ L IT E R S / A L L -G L A S S TANK
TANK DIMENSIONS: 4 LITER PYREX&GLASS BEAKER
TIME STARTED I Z / .m p v W DATE STARTED
DATE COMPLETED,
2 AP I L U I I O N - V I A T E R C ^ R B O N - R L T E R E D VjELy^W ATER ( T E M P
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Tank I n i t i a l Total
24 Hours
48 Hou 'S
_______72 Hom*s
______ 96 Houi'S
N o . C o n e . Am ount T o t a l No. PH D . O . T o t a l N o . pH D . O . T o t a l N o . pH D . O . T o t a l Mo. pH D . O .
mg/1 Added
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Tank No.
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ENVIRONMENTAL LABORATORY FISH TOXICITY DATA SHEET DEFINITIVE (FULL-SCALE TEST)
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A p M F .FISH DISEASE TREATMENT,.
________________________________________ ____
TEST SOLUTION VOLUME.&J-ITERS/ALL-GLASS TANK
TANK DIMENSIONS: 4 LITER PYREXGLASS BEAKER
t ^ 9 hTIME STARTED I Z i m ^ D A T E STARTED. 4 --
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Tank I n i t i a l Total
24 Hours 1
48 Hours
_______7 2 Horn" S
______ 96 Houi
N o . C o n e . Amount T o t a l N o . pH D . O . T o t a l N o . pH D . O . T o t a l N o . pH D .O . T o t a l N o . pH D . O .
mg/1 Added
Dead
ppm Dead
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Tank No. Symptoms o r Reactions
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