4_h__-_240322__Death-Valley__Output.pdf

LOD

ng/L Deep Pool Shelf Surface Shelf Column Well Shelf Surface Shelf Column Pool Surface Pool Column Surface Column ng/L

PFBA 7.89 19.58 25.82 1.15 1.49 2.55 6.70 26.49 12.90 88.43 PFBA 0.08

PFPeA 2.35 PFPeA 0.10 PFHxA 1.66 2.93 0.79 3.79 2.13 0.33 1.80 2.56 9.71 PFHxA 0.09 PFHpA 2.31 5.50 0.87 3.01 4.05 0.73 3.64 3.34 43.99 11.44 PFHpA 0.08

PFOA 0.38 2.40 0.39 2.29 1.86 0.71 1.57 6.21 40.23 12.24 PFOA 0.09

PFNA 0.40 0.55 <LOD 0.35 0.60 0.39 0.64 3.19 61.18 13.43 PFNA 0.10

PFDA 0.61 1.52 0.19 3.96 0.46 0.70 0.81 15.18 7.45 PFDA 0.09

PFUA 3.43 2.10 2.54 1.59 0.68 1.94 59.33 3.70 PFUA 0.10

PFDoA 0.96 2.17 0.44 0.76 1.51 PFDoA 0.12 PFTrDA 1.04 0.53 3.25 <LOD PFTrDA 0.11 PFTeDA 0.50 <LOD 0.33 0.37 PFTeDA 0.13

PFBS PFBS 0.10

PFPeS PFPeS 0.10 PFHxS 5.55 PFHxS 0.11 PFHpS PFHpS 0.12

PFOS <LOD 11.69 PFOS 0.09

PFNS 1.00 0.44 1.45 0.36 <LOD PFNS 0.10

PFDS 0.19 PFDS 0.10

FBSA 2.49 7.68 5.98 7.87 8.58 1.56 8.44 2.03 5.97 FBSA 0.09

FHxSA 0.58 11.10 1.10 FHxSA 0.10

FOSA FOSA 0.12

4:2FTS 1.32 0.12 10.25 4:2FTS 0.10

6:2FTS 12.77 17.18 9.74 12.27 7.36 10.15 8.86 97.60 7.04 6:2FTS 0.11

8:2FTS 7.52 8.14 4.35 2.39 49.81 8:2FTS 0.10

N-MeFOSAA 0.78 0.46 0.20 1.48 0.37 0.24 0.33 5.23 0.19 N-MeFOSAA 0.10 N-EtFOSAA 0.15 1.66 0.80 0.59 1.67 0.41 0.92 1.15 28.56 0.24 N-EtFOSAA 0.11 ADONA NaDONA 0.09 9Cl-PF3ONS 0.91 1.23 9Cl-PF3ONS 0.12 11Cl-PF3OUdS <LOD 0.66 0.34 0.24 <LOD <LOD <LOD 6.15 <LOD 11Cl-PF3OUdS 0.17

SUMMARY

Sum of measured PFAS 41.85 71.94 50.72 34.77 34.49 23.81 29.77 66.62 444.77 174.14 pfca total 18.14 35.62 33.30 14.55 13.38 7.09 16.54 47.65 232.81 147.91 pfsa total 0.00 1.00 0.44 5.55 1.45 0.00 0.36 0.19 0.00 11.69 ftsa total 20.29 25.32 9.74 5.67 14.78 7.36 10.15 8.86 157.66 7.04 fasaa total 0.93 1.66 1.26 0.79 3.15 0.78 1.16 1.48 33.79 0.43 pfea total 0.00 0.66 0.00 0.34 1.15 0.00 0.00 0.00 7.38 0.00 short chain total 11.86 28.01 27.48 7.95 7.67 3.61 12.14 34.74 56.89 109.58 long chain total 6.28 8.61 6.26 12.15 7.16 3.48 4.76 13.10 175.92 50.02

DH AMFCF Crystal Reservoir

Subclass Group Subgroup PFAS Chemical Chemical Abbreviation Perfluorobutanoic acid (PFBA) PFBA

Perfluoropentanoic acid (PFPeA) PFPeA Perfluorohexanoic acid (PFHxA) PFHxA

Perfluoroheptanoic acid (PFHpA) PFHpA Perfluorooctanoic acid (PFOA) PFOA Perfluorononanoic acid (PFNA) PFNA Perfluorodecanoic acid (PFDA) PFDA

Perfluoroundecanoic acid (PFUnA) PFUnA Perfluorododecanoic acid (PFDoA) PFDoA Perfluorotridecanoic acid (PFTrDA) PFTrDA

Perfluorotetradecanoic acid (PFTeDA) PFTeDA Perfluorobutanesulfonic acid (PFBS) PFBS

Perfluoropentanesulfonic acid (PFPeS) PFPeS Perfluorohexanesulfonic acid (PFHxS) PFHxS

Perfluoroheptanesulfonic acid (PFHpS) PFHpS Perfluorooctanesulfonic acid (PFOS) PFOS Perfluorononanesulfonic acid (PFNS) PFNS Perfluorodecanesulfonic acid (PFDS) PFDS

Perfluorobutylsulphonamide (FBSA) FBSA Perfluorohexanesulfonamide (FHxSA) FHxSA

Perfluoroalkane sulfonamides n/a Perfluorooctanesulfonamide (PFOSA) PFOSA 4:2 Fluorotelomer sulfonic acid (4:2 FTS) 4:2 FTS 6:2 Fluorotelomer sulfonic acid (6:2 FTS) 6:2 FTS 8:2 Fluorotelomer sulfonic acid (8:2 FTS) 8:2 FTS

N-ethylperfluorooctane sulfonamidoacetic acid (N-EtFOSAA) N-EtFOSAA N-methylperfluorooctane sulfonamidoacetic acid (N-MeFOSAA) N-MeFOSAA

Per- and polylfluoroalkyl ether carboxylic acids (PFECAs)

Ammonium 4,8-dioxa-3H-perfluorononanoate (ADONA) ADONA

9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) 9Cl-PF3ONS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) 11Cl-PF3OUdS

Short-chain PFCA compounds (< 8 carbons) and short-chain PFSA compounds (<6 carbons) are in blue font.

Long-chain PFCA compounds (≥ 8 carbons) and long-chain PFSA compounds (≥6 carbons) are in red font.

Per- and polyfluoroalkyl ether sulfonic acids (PFESAs)

Pe rf lu or oa lk yl su bs ta nc es

Perfluoroalkyl acids (PFAAs)

Perfluoroalkyl carboxylic acid (PFCA)

Perfluorosulfonic acids (PFSA)

Po ly flu or oa lk yl su bs ta nc es

Fluorotelomer-based substances Fluorotelomer sulfonic acids

(FTSAs)

Perfluoroalkane sulfonamido substances

Perfluoroalkane sulfonamido acetic acids (FASAAs) and N-Alkyl

Per- and polyfluoroalkyl ether acids (PFEAs)

Chemical Formula

C4HF7O2

C5HF9O2

C6HF11O2

C7HF13O2

C8HF15O2

C9HF17O2

C10HF19O2

C11HF21O2

C12HF23O2

C13HF25O2

C14HF27O2

C4HF9O3S

C5HF11O3S

C6F13SO3H

C7F15SO3H

C8F17SO3H

C9F19SO3H

C10F21SO3H

C4H2F9NO2S

C6H2F13NO2S

C8H2F17NO2S

C6H5F9O3S C8H5F13O3S

C10H5F17O3S

C11H6F17NO4S

C12H8F17NO4S

C8HClF16O4S C10HClF20O4S https://pubchem.ncbi.nlm.nih.gov/#query=C4HF7O2 https://pubchem.ncbi.nlm.nih.gov/#query=C5HF9O2 https://pubchem.ncbi.nlm.nih.gov/#query=C6HF11O2 https://pubchem.ncbi.nlm.nih.gov/#query=C7HF13O2 https://pubchem.ncbi.nlm.nih.gov/#query=C8HF15O2 https://pubchem.ncbi.nlm.nih.gov/#query=C9HF17O2 https://pubchem.ncbi.nlm.nih.gov/#query=C10HF19O2 https://pubchem.ncbi.nlm.nih.gov/#query=C11HF21O2 https://pubchem.ncbi.nlm.nih.gov/#query=C12HF23O2 https://pubchem.ncbi.nlm.nih.gov/#query=C13HF25O2 https://pubchem.ncbi.nlm.nih.gov/#query=C14HF27O2 https://pubchem.ncbi.nlm.nih.gov/#query=C4HF9O3S https://pubchem.ncbi.nlm.nih.gov/#query=C5HF11O3S https://pubchem.ncbi.nlm.nih.gov/#query=C4H2F9NO2S https://pubchem.ncbi.nlm.nih.gov/#query=C6H2F13NO2S https://pubchem.ncbi.nlm.nih.gov/#query=C8H2F17NO2S https://pubchem.ncbi.nlm.nih.gov/#query=C6H5F9O3S https://pubchem.ncbi.nlm.nih.gov/#query=C8H5F13O3S https://pubchem.ncbi.nlm.nih.gov/#query=C10H5F17O3S https://pubchem.ncbi.nlm.nih.gov/#query=C11H6F17NO4S https://pubchem.ncbi.nlm.nih.gov/#query=C12H8F17NO4S https://pubchem.ncbi.nlm.nih.gov/#query=C8HClF16O4S