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NORTH COAST <br /> EBORATORIES t LTD. <br /> Date: 24 August 1993 <br /> h Page 2 of 2 <br /> Report to: Western Environmental Science & Technology : <br /> 1046 Olive Drive, Suite 3 <br /> Davis, CA 95616 } <br /> Attn: Le's Biddle <br /> Sample Description: Sheldon/Stockton/#2 Short <br /> NCL # : 93-08-344-03A <br /> Date Received: 08--16-93 Date Sampled: 08-11-93 <br /> HAZARDOUS WASTE BIOASSAY SCREENING`TEST <br /> Supporting Data: Hardness and alkalinity (run only on controls and <br /> highest concentration) . <br /> Control 750 mg/L Units '' <br /> #1 #2 #1 #2 <br /> Hardness <br /> Initial 48 47 . 66 60 mgCaCO3/L <br /> Hardness . <br /> Final 48 48 58 48 mgCaCO3/L ` 1 <br /> Alkalinity <br /> 1 <br /> Initiail 52 52 58 54 mgCaCO3/L <br /> Alkalinity <br /> Final 48 47 47 47 mgCaCO3/L <br /> Fish Data: <br /> Average Length: 2 . 5 cm Max. Length: 2 . 7 cm Min. Length: 1. 9 cm j <br /> Average Weight: 0. 25g Max. Weight: 0. 27g Min. Weight: 0.. 19g x <br /> Acclimatization: 44 days t <br /> Species: Fathead Minnow, Pimenha_les promelas <br /> Date Started: 08--19-93 r <br /> 2 tanks pe'r dilution, 10 fish per tank <br /> Samples were maintained at 20 + 2°C F <br /> i <br /> ' I <br /> Labo a ry Supervisor(s) QA Officer Jesse G. Chaney,' Jr. , r <br /> Laboratory Director <br /> 5(is l INr�r Fnrl Rwi(l -Arr-,!i:i f,ili(rirni;? _7n7- f,4 .r-. X 707-13??-F,VI <br />