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8 ;- -" '�.,:s' s�teR.,•1.,`>.- .; :k. N.�s-�r-` -..�, � a <br /> Jr <br /> •n. y--.:�F ::,.tv9A�ir�` '- .--, r�,r Itnr i..�::t*�.c,nh...:x�nuM� 4iE<a: .x� <br /> ^F.ax...N..•.lil y1 <br /> 'lxh:S .03C <br /> Lab NuTt;er•; <br /> ral Central Coast Collected: 11/12,1(v/ <br /> f1.39 <br /> Centt,nolytieal Services <br /> Coast 141 5uburvan RoSuite C-4 RQceiVd <br /> analyticalCalifornia 334¢1 Tustod. As Lista.3e <br /> : <br /> -d <br /> stringer <br /> x',iPzt,',i.a <br /> ngiei,r <br /> Services San Luis Obispo, Collected by: M. Edmonton/M. <br /> .,, v �.s-"rr..:..�,•„x= .,„„ <br /> �w <br /> -- _. (8E35) 543-2553 <br /> k <br /> Sample Description: <br /> ATTN: Kathleen Isaacson Project N7-076.01 <br /> Western Geologic Resources SS-13, S-14, SS-15. SS-16 <br /> 2169 E. Francisco 131vd., Suite D Composite <br /> Son Rafael, CA 94901 <br /> STATIC ACUTE BIOASSAY <br /> Test Type statir, 96 hr Lr-,O <br /> Species: Pimephales promolas tli.lution Water: Freshwater (soft) <br /> Common Noma: Fathead Minnow Number par Tank 10 <br /> Supplier Thomas First Co - Max, Length 4.0 cm Min. Length 2,6 cm <br /> x Length 3.3 cm x Weight 0.56 g Max. Weight 0.91 g Min. height 0.24 g <br /> Acclimation Period >10 days Tank Volume 10 liters <br /> Acclimation Temperatura 17-19 degrees C 1lardnoss: 45• <br /> Dead in Acclimation Tank Alkalinity: 35. <br /> 72 HDUR 96 HOUR <br /> 24 HOUR 48 HOUR 11/17/89 <br /> INITIAL 11f15/89 11/'16/89 <br /> DATE: 11/13/89 11/14/89 01300 JRH 41500 JRH Pa. <br /> @1330 JRH D001GC0 JR" �M DO C pH �!M DD (' pH rt'`• Dead <br /> TIME: 01500 JRH DO C PH #M PH <br /> Da C pH Deg. reg. <br /> Dog. Dog. Deg <br /> -'�SSTRDL 9.2 17 7,4 9.3 17 7.5 0 9.1 17 7.6 0 9.0 17 7.6 0 8.II 18 7.6 4 0 <br /> 750 mg/l 7.0 17 7,4 7.0 17 7.5 0 6.9 17 7.5 0 6.9 17 7.5 0 6.II 18 7.5 0 0 <br /> 750 mg/1 6,6 17 7.4 6.7 17 7.5 0 65.5 17 7.5 0 6.7 17 7.5 0 6.5 18 7.5 0 0 <br /> 500 mg/l 5.8 17 7.4 6.8 17 7.5 0 6.6 17 7.5 0 6.7 17 7.6 0 6.6 18 7.6 0 0 <br /> 590 ml 8.3 17 7.4 8.5 17 7.5 0 8.2 17 7.5 0 8.2 17 7.6 0 8.0 18 7.6 0 0 <br /> g/ <br /> 250 mg/1 8.4 17 7.4 8.5 17 7.5 0 8.3 17 7.5 0 8.4 17 7.6 0 8.2 13 7.6 0 <br /> t <br /> 250 m9/1 8.7 17 7.4 8.8 17 7.5 0 8.5 17 7.5 0 8.4 17 7.6 0 8,2 18 7.6 0 0 <br /> REMARKS: Sample Alkalinity Before: 38mg/l After: 44mg/1 <br /> 0750 mg/1 Hardness Before: 50mg/i After: 52mg/l <br /> LC50: >750 mg/1 LC50 <br /> This material does not have an acute aquatic 96-hr LC50 loss than 500 mg/1 with fathead minnows <br /> and according to 22 Cal Adm Codo Art. 11 Sec. 66646 (4) is not hazardous or toxic by this <br /> critorion. <br /> Respectfully submitted. <br /> 11/20/89 <br /> CENTRAL COAST A LYTICAL SERVICES <br /> F141428I.WR]//127 / %s`It 1 President <br /> M1i f ke - <br /> Mary Havl eek, h. <br />