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Zone 7 <br />Hansen Park Test Well <br />Water Quality Summary Table <br />Title 22 <br />6/2/2025MCLANALYTE UNITS <br />REPORTING <br />LIMIT METHOD <br />RADIOCHEMISTRY <br />Gross Alpha pCi/L 900.0 7.44 ± 2.20 <br />Gross Beta pCi/L 9000.0 3.10 ± 2.10 <br />Ra 226 pCi/L 903.0/9315 ND <br />Ra 228 pCi/L 904/9320 1.80 ± 1.10 <br />Strontium-90 pCi/L 905.0 81 ND <br />Tritium pCi/L 906.0 20,0001 ND <br />Uranium-234 pCi/L D3972 U-02 201 1.61 ± 0.757 <br />Uranium-235 pCi/L D3972 U-02 201 ND <br />Uranium-238 pCi/L D3972 U-02 201 1.32 ± 0.641 <br />OTHER ANALYSES <br />Ammonia as N mg/L 0.20 350.1 ND <br />Asbestos MFL 5.10 600/R-94/134 71 ND <br />Benzo-a-pyrene μg/L 0.10 525.2 0.21 0.50 <br />Bromate μg/L 1.0 317 10 ND <br />Chlorinated Herbicides μg/L * 515.1 ND <br />Chlorite (ClO2) mg/L 0.0050 300.1 1.01 ND <br />Cyanide (Total)mg/L 0.0050 335.4 ND <br />1,2-Dibromo-3-Chloropropane DBCP μg/L 0.010 504.1 0.2 ND <br />Di(2-ethylhexyl)adipate μg/L 1.0 525.2 ND <br />Di(2-ethylhexyl)phthalate μg/L 3.0 525.2 ND <br />Diquat and/or Paraquat μg/L 4.0 549.2 20 ND <br />Endothall μg/L 45 548.1 1001 ND <br />Ethylene Dibromide EDB μg/L 0.010 504.1 0.05 ND <br />Glyphosate μg/L 25 547 7001 ND <br />Hydrogen Sulfide (H2S)mg/L 0.10 SM-4500SH ND <br />Methane μg/L 0.001 RSK175M 0.0030 <br />Nitrogen/Phosphorus Pesticides μg/L * 525.2 ND <br />Organchlorin Pesticides and PCB's μg/L * 508 ND <br />PCB's μg/L 0.20 8082 ND <br />Perchlorate mg/L 0.00400 314.0 ND <br />Phosphorus (Total)mg/L 0.050 365.4 ND <br />Purgeable Organic Compounds (VOCs)μg/L * 524.2 ND <br />Sulfide (Total)mg/L 0.10 SM-4500SD ND <br />Sulfide (Dissolved)mg/L 0.10 SM-4500SD ND <br />2,3,7,8-TCDD (Dioxin) pg/L 10 1613B 0.000031 ND <br />1,2,3-Trichloropropane μg/L 0.0050 SRL 524M-TCP 0.0051 ND <br />Total Haloacetic acids (five) HAA5 μg/L 1 552.3 601 ND <br />Total Organic Carbon mg/L 1.0 SM5310C 0.32 J <br />Total Trihalomethanes (TTHM)μg/L 2 524.2 80 <br />ND <br />PFAS <br />Perfluorohexane Solfonic Acid (PFHxS) ng/l 1.80 53310 2.736 <br />1 - Primary MCL <br />2 - Secondary MCL (recommended/upper range) <br />3 - Notification Level <br />4 - Suggested lower/upper acceptable range <br />5 - Flagged with data qualifier by lab <br />6 - Sampled on 6/3/25 <br />(3$0HWKRGDQDO\VLVLQFOXGHV3HUIOXRULQDWHG$ON\O$FLGV <br />1' 1RQ'HWHFW <br />J Flag = Estimated value above the method detection limit and below the reporting limit