PSC vs. VAW ETF Comparison
Comparison of Principal U.S. Small Cap Index ETF (PSC) to Vanguard Materials ETF - DNQ (VAW)
PSC
Principal U.S. Small Cap Index ETF
PSC Description
The Principal U.S. Small Cap Index ETF seeks to provide investment results that closely correspond, before expenses, to the performance of the NASDAQ U.S. Small Cap Select Leaders Index. The ETF employs a passive investment approach designed to track the performance of the Index.
Grade (RS Rating)
Last Trade
$51.56
Average Daily Volume
23,397
Number of Holdings
*
479
* may have additional holdings in another (foreign) market
VAW
Vanguard Materials ETF - DNQ
VAW Description
The investment seeks to track the performance of a benchmark index. The fund employs an indexing investment approach designed to track the performance of the MSCI US Investable Market Index (IMI)/Materials 25/50, an index made up of stocks of large, mid-size, and small U.S. companies within the materials sector, as classified under the Global Industry Classification Standard (GICS). It attempts to replicate the target index by investing all, or substantially all, of its assets in the stocks that make up the index, holding each stock in approximately the same proportion as its weighting in the index. The fund is non-diversified.Grade (RS Rating)
Last Trade
$208.37
Average Daily Volume
31,911
Number of Holdings
*
116
* may have additional holdings in another (foreign) market
Performance
| Period | PSC | VAW |
|---|---|---|
| 30 Days | 4.21% | 4.74% |
| 60 Days | 8.89% | 8.96% |
| 90 Days | 8.53% | 8.98% |
| 12 Months | 30.27% | 24.74% |
23 Overlapping Holdings
| Symbol | Grade | Weight in PSC | Weight in VAW | Overlap | |
|---|---|---|---|---|---|
| BCPC | C | 0.15% | 0.4% | 0.15% | |
| CBT | B | 0.33% | 0.41% | 0.33% | |
| CENX | C | 0.14% | 0.06% | 0.06% | |
| CMC | D | 0.39% | 0.43% | 0.39% | |
| CRS | B | 0.76% | 0.48% | 0.48% | |
| FUL | F | 0.2% | 0.33% | 0.2% | |
| GEF | B | 0.09% | 0.11% | 0.09% | |
| HCC | C | 0.51% | 0.23% | 0.23% | |
| HWKN | B | 0.11% | 0.18% | 0.11% | |
| IOSP | F | 0.12% | 0.2% | 0.12% | |
| KALU | D | 0.1% | 0.08% | 0.08% | |
| KNF | B | 0.27% | 0.3% | 0.27% | |
| KOP | F | 0.05% | 0.06% | 0.05% | |
| KWR | F | 0.16% | 0.17% | 0.16% | |
| METC | D | 0.06% | 0.02% | 0.02% | |
| MTUS | F | 0.04% | 0.04% | 0.04% | |
| MTX | C | 0.12% | 0.17% | 0.12% | |
| PRM | C | 0.06% | 0.11% | 0.06% | |
| PTVE | D | 0.03% | 0.04% | 0.03% | |
| SLVM | C | 0.17% | 0.19% | 0.17% | |
| SUM | F | 0.33% | 0.35% | 0.33% | |
| SXT | C | 0.1% | 0.2% | 0.1% | |
| USLM | C | 0.07% | 0.07% | 0.07% |
PSC Overweight 456 Positions Relative to VAW
| Symbol | Grade | Weight | |
|---|---|---|---|
| SFM | A | 0.77% | |
| HIMS | C | 0.74% | |
| HLNE | A | 0.74% | |
| JXN | A | 0.73% | |
| EAT | A | 0.72% | |
| UMBF | C | 0.7% | |
| AIT | B | 0.64% | |
| COOP | B | 0.64% | |
| TMDX | D | 0.63% | |
| BOOT | B | 0.62% | |
| FN | B | 0.62% | |
| AX | D | 0.62% | |
| HALO | D | 0.61% | |
| ANF | D | 0.6% | |
| ONB | D | 0.6% | |
| RHP | B | 0.59% | |
| PI | A | 0.58% | |
| ATKR | F | 0.58% | |
| ESNT | A | 0.56% | |
| IRT | D | 0.56% | |
| ZETA | B | 0.54% | |
| AEO | C | 0.54% | |
| CTRE | C | 0.53% | |
| EPRT | C | 0.53% | |
| CNK | D | 0.53% | |
| PAGS | F | 0.53% | |
| KBH | D | 0.53% | |
| DY | C | 0.53% | |
| CNX | A | 0.52% | |
| TBBK | A | 0.51% | |
| TEX | F | 0.51% | |
| STRL | B | 0.5% | |
| TRNO | D | 0.5% | |
| ITRI | C | 0.48% | |
| RMBS | F | 0.47% | |
| HQY | B | 0.47% | |
| ALE | A | 0.46% | |
| IBP | C | 0.46% | |
| OGS | C | 0.46% | |
| MTH | C | 0.46% | |
| ACLS | F | 0.44% | |
| VRNS | B | 0.44% | |
| PJT | A | 0.44% | |
| HAE | F | 0.43% | |
| MLI | B | 0.43% | |
| SM | D | 0.43% | |
| STNG | B | 0.42% | |
| QLYS | F | 0.42% | |
| BGC | B | 0.42% | |
| PRIM | A | 0.41% | |
| FULT | D | 0.41% | |
| SWX | C | 0.41% | |
| ALKS | B | 0.41% | |
| CNO | B | 0.41% | |
| BCC | C | 0.41% | |
| TGTX | D | 0.4% | |
| TDW | F | 0.4% | |
| FBP | B | 0.39% | |
| WTS | C | 0.39% | |
| CVLT | B | 0.39% | |
| ALTR | B | 0.39% | |
| BKH | C | 0.39% | |
| TNDM | D | 0.39% | |
| ENSG | D | 0.39% | |
| IDCC | A | 0.38% | |
| CORT | B | 0.38% | |
| NMIH | B | 0.38% | |
| MATX | C | 0.38% | |
| OPCH | F | 0.37% | |
| TWST | D | 0.37% | |
| MMSI | C | 0.37% | |
| BCO | C | 0.37% | |
| BL | D | 0.37% | |
| VCTR | A | 0.37% | |
| SR | D | 0.37% | |
| SKYW | B | 0.36% | |
| BOX | C | 0.36% | |
| UFPI | C | 0.36% | |
| URBN | F | 0.36% | |
| RDNT | C | 0.36% | |
| LIVN | C | 0.36% | |
| CSWI | A | 0.35% | |
| DOCN | B | 0.35% | |
| CHX | C | 0.35% | |
| ABCB | C | 0.35% | |
| NARI | F | 0.35% | |
| GMS | B | 0.35% | |
| EXLS | B | 0.34% | |
| MMS | C | 0.33% | |
| MOG.A | C | 0.33% | |
| LNTH | C | 0.33% | |
| MGY | B | 0.33% | |
| GFF | C | 0.33% | |
| MOD | B | 0.32% | |
| ENS | B | 0.32% | |
| ICUI | B | 0.32% | |
| FSS | D | 0.32% | |
| ENV | C | 0.32% | |
| VRRM | D | 0.32% | |
| ITGR | B | 0.32% | |
| PAYO | A | 0.31% | |
| TMHC | C | 0.31% | |
| NEOG | F | 0.31% | |
| BLBD | D | 0.31% | |
| CABO | F | 0.3% | |
| NSIT | B | 0.3% | |
| SQSP | A | 0.3% | |
| CNMD | F | 0.3% | |
| CWK | D | 0.3% | |
| QTWO | B | 0.3% | |
| AMN | F | 0.3% | |
| PTGX | C | 0.29% | |
| AVA | D | 0.29% | |
| VITL | C | 0.28% | |
| PRFT | A | 0.28% | |
| ACAD | F | 0.28% | |
| JBI | F | 0.27% | |
| HCI | B | 0.27% | |
| KAI | C | 0.27% | |
| TGNA | B | 0.27% | |
| ADMA | A | 0.27% | |
| LBRT | D | 0.27% | |
| CWAN | B | 0.27% | |
| MWA | A | 0.27% | |
| SKT | A | 0.27% | |
| BNL | C | 0.26% | |
| KFY | C | 0.26% | |
| ENVA | B | 0.26% | |
| SKWD | A | 0.26% | |
| SHO | B | 0.26% | |
| WHD | A | 0.25% | |
| WAFD | D | 0.25% | |
| IIPR | C | 0.25% | |
| ABM | D | 0.25% | |
| UE | C | 0.25% | |
| SPSC | D | 0.25% | |
| STAA | D | 0.25% | |
| IART | F | 0.24% | |
| CBZ | F | 0.24% | |
| RPD | D | 0.24% | |
| VERX | B | 0.24% | |
| LRN | D | 0.24% | |
| POWL | B | 0.24% | |
| PRCT | D | 0.24% | |
| RXST | F | 0.24% | |
| SMPL | D | 0.24% | |
| CEIX | B | 0.24% | |
| BMI | A | 0.23% | |
| CALM | A | 0.23% | |
| GPI | C | 0.23% | |
| PLMR | A | 0.23% | |
| OTTR | F | 0.23% | |
| ASGN | D | 0.23% | |
| ROAD | C | 0.23% | |
| IBOC | D | 0.23% | |
| RYTM | C | 0.22% | |
| INMD | F | 0.22% | |
| EXPO | A | 0.22% | |
| HTLF | B | 0.22% | |
| PGNY | F | 0.22% | |
| WT | D | 0.22% | |
| ACIW | A | 0.22% | |
| BDC | A | 0.22% | |
| VECO | F | 0.22% | |
| AXNX | A | 0.22% | |
| TGLS | B | 0.22% | |
| AKR | B | 0.22% | |
| YELP | D | 0.21% | |
| CAKE | A | 0.21% | |
| AZZ | B | 0.21% | |
| WSFS | D | 0.21% | |
| EVH | D | 0.21% | |
| SEM | D | 0.21% | |
| YOU | C | 0.21% | |
| PRMW | B | 0.21% | |
| PMT | B | 0.21% | |
| GPOR | B | 0.21% | |
| SGRY | C | 0.2% | |
| KTB | C | 0.2% | |
| IESC | A | 0.2% | |
| MHO | C | 0.2% | |
| SNEX | B | 0.2% | |
| MGNI | D | 0.2% | |
| INSW | B | 0.2% | |
| CSTM | F | 0.19% | |
| SANM | D | 0.19% | |
| FTDR | B | 0.19% | |
| REVG | D | 0.19% | |
| AGX | A | 0.19% | |
| SHOO | A | 0.19% | |
| WGO | D | 0.19% | |
| TPH | C | 0.19% | |
| GRBK | C | 0.18% | |
| FELE | C | 0.18% | |
| OFG | D | 0.18% | |
| SFNC | B | 0.18% | |
| PRGS | A | 0.18% | |
| NBHC | D | 0.18% | |
| MGEE | C | 0.18% | |
| ATGE | D | 0.18% | |
| RAMP | F | 0.17% | |
| LANC | F | 0.17% | |
| AROC | B | 0.17% | |
| NMRK | C | 0.17% | |
| HMN | B | 0.17% | |
| AGYS | D | 0.17% | |
| AGM | D | 0.17% | |
| NOVT | C | 0.17% | |
| VRTS | D | 0.17% | |
| ICFI | C | 0.17% | |
| ALRM | F | 0.17% | |
| SRDX | D | 0.17% | |
| UFPT | D | 0.16% | |
| ALG | F | 0.16% | |
| VC | F | 0.16% | |
| FFBC | D | 0.16% | |
| ADUS | D | 0.16% | |
| PHIN | D | 0.16% | |
| WDFC | B | 0.16% | |
| SMMT | D | 0.16% | |
| REZI | D | 0.16% | |
| AMPH | C | 0.16% | |
| HELE | D | 0.16% | |
| RPAY | F | 0.16% | |
| CARG | C | 0.16% | |
| PBH | D | 0.16% | |
| CVCO | C | 0.15% | |
| FCF | D | 0.15% | |
| FRME | D | 0.15% | |
| ESRT | C | 0.15% | |
| LOB | B | 0.15% | |
| HOPE | B | 0.15% | |
| DHT | B | 0.15% | |
| NHI | C | 0.15% | |
| SSTK | F | 0.15% | |
| FCPT | C | 0.15% | |
| LTC | D | 0.14% | |
| MNKD | B | 0.14% | |
| CPRX | C | 0.14% | |
| ROCK | D | 0.14% | |
| COLL | A | 0.14% | |
| LPG | F | 0.14% | |
| NTB | D | 0.14% | |
| BANF | D | 0.13% | |
| SPNT | D | 0.13% | |
| TNC | F | 0.13% | |
| HNI | B | 0.13% | |
| ENR | B | 0.13% | |
| UNIT | B | 0.13% | |
| PATK | A | 0.13% | |
| EPAC | A | 0.13% | |
| VCEL | F | 0.13% | |
| VCYT | C | 0.13% | |
| FOXF | F | 0.13% | |
| AMWD | C | 0.13% | |
| CMRE | C | 0.13% | |
| BMBL | F | 0.13% | |
| ARDX | D | 0.12% | |
| RSI | B | 0.12% | |
| FBMS | D | 0.12% | |
| HRMY | D | 0.12% | |
| VSTO | B | 0.12% | |
| ARHS | F | 0.12% | |
| BKD | F | 0.12% | |
| LZB | D | 0.12% | |
| KNTK | A | 0.12% | |
| SUPN | D | 0.12% | |
| LMB | B | 0.12% | |
| ACT | B | 0.12% | |
| GIII | C | 0.11% | |
| APOG | B | 0.11% | |
| PRVA | F | 0.11% | |
| EPC | F | 0.11% | |
| AESI | B | 0.11% | |
| CHCO | D | 0.11% | |
| ASTH | B | 0.11% | |
| LGND | C | 0.11% | |
| HLX | C | 0.11% | |
| CXM | F | 0.11% | |
| USPH | F | 0.11% | |
| SXI | B | 0.11% | |
| MLKN | F | 0.11% | |
| LMAT | A | 0.11% | |
| PLUS | B | 0.11% | |
| PFBC | D | 0.11% | |
| ALKT | D | 0.11% | |
| PLXS | A | 0.11% | |
| TNK | C | 0.11% | |
| OII | D | 0.11% | |
| BLKB | C | 0.11% | |
| BHE | C | 0.1% | |
| WKC | A | 0.1% | |
| CRAI | B | 0.1% | |
| BV | A | 0.1% | |
| GOLF | F | 0.1% | |
| NSSC | F | 0.1% | |
| CSR | D | 0.1% | |
| ANIP | F | 0.1% | |
| CRVL | C | 0.1% | |
| WABC | F | 0.1% | |
| FBK | B | 0.1% | |
| OSIS | C | 0.1% | |
| EFSC | D | 0.1% | |
| ATEN | B | 0.09% | |
| CECO | D | 0.09% | |
| UMH | D | 0.09% | |
| DORM | C | 0.09% | |
| SRCE | D | 0.09% | |
| CHEF | C | 0.09% | |
| IMXI | F | 0.09% | |
| STBA | D | 0.09% | |
| PLAB | D | 0.09% | |
| PSMT | A | 0.09% | |
| CDRE | A | 0.09% | |
| CAL | F | 0.09% | |
| AMRX | B | 0.09% | |
| BKE | B | 0.09% | |
| SBH | B | 0.09% | |
| AMAL | B | 0.08% | |
| BLFS | D | 0.08% | |
| AHCO | D | 0.08% | |
| PFC | D | 0.08% | |
| ASC | D | 0.08% | |
| GABC | D | 0.08% | |
| CPF | C | 0.08% | |
| QCRH | C | 0.08% | |
| HY | D | 0.08% | |
| FOR | D | 0.08% | |
| INVA | B | 0.08% | |
| OMCL | C | 0.08% | |
| GHC | A | 0.08% | |
| LILAK | D | 0.08% | |
| TILE | C | 0.08% | |
| AAT | C | 0.08% | |
| STRA | F | 0.08% | |
| BLX | B | 0.08% | |
| DFH | C | 0.08% | |
| DESP | C | 0.08% | |
| BBSI | B | 0.08% | |
| IMAX | D | 0.08% | |
| NHC | D | 0.07% | |
| IMMR | D | 0.07% | |
| ORRF | C | 0.07% | |
| NABL | F | 0.07% | |
| AORT | B | 0.07% | |
| PCRX | D | 0.07% | |
| PEBO | F | 0.07% | |
| MLR | B | 0.07% | |
| CENTA | F | 0.07% | |
| UVE | C | 0.07% | |
| OSBC | D | 0.07% | |
| MD | B | 0.07% | |
| FG | B | 0.07% | |
| HFWA | D | 0.07% | |
| TRNS | D | 0.07% | |
| DXPE | C | 0.07% | |
| DOLE | C | 0.07% | |
| ANET | A | 0.07% | |
| BY | D | 0.07% | |
| HSII | D | 0.07% | |
| MCRI | B | 0.06% | |
| SCVL | D | 0.06% | |
| AHH | F | 0.06% | |
| CSTL | B | 0.06% | |
| PRDO | D | 0.06% | |
| HOV | D | 0.06% | |
| NXRT | D | 0.06% | |
| SEMR | C | 0.06% | |
| OSW | B | 0.06% | |
| GCI | B | 0.06% | |
| WTTR | B | 0.06% | |
| WSR | C | 0.06% | |
| EOLS | C | 0.06% | |
| THR | F | 0.06% | |
| VREX | F | 0.06% | |
| IBCP | D | 0.06% | |
| HAFC | D | 0.06% | |
| CDNA | B | 0.06% | |
| CFB | D | 0.06% | |
| SCSC | D | 0.06% | |
| YEXT | B | 0.05% | |
| UTL | D | 0.05% | |
| SB | C | 0.05% | |
| CCB | B | 0.05% | |
| AVNS | D | 0.05% | |
| MBWM | D | 0.05% | |
| GRC | B | 0.05% | |
| SWI | B | 0.05% | |
| SLP | F | 0.05% | |
| UTI | F | 0.05% | |
| GRND | D | 0.05% | |
| CCRN | F | 0.05% | |
| PNTG | C | 0.05% | |
| REAX | D | 0.05% | |
| SMLR | F | 0.05% | |
| CTS | B | 0.05% | |
| CENT | F | 0.04% | |
| DAKT | D | 0.04% | |
| EGY | D | 0.04% | |
| GHM | D | 0.04% | |
| USAP | C | 0.04% | |
| TCMD | C | 0.04% | |
| ZIMV | F | 0.04% | |
| OSPN | D | 0.04% | |
| VMEO | C | 0.04% | |
| HSTM | B | 0.04% | |
| DJCO | C | 0.04% | |
| BELFB | A | 0.04% | |
| SPNS | B | 0.04% | |
| SMP | D | 0.04% | |
| INOD | D | 0.04% | |
| XERS | B | 0.04% | |
| ZIP | D | 0.04% | |
| MEC | C | 0.04% | |
| MLAB | B | 0.04% | |
| OSUR | F | 0.04% | |
| CNXN | C | 0.04% | |
| MDXG | F | 0.04% | |
| WLDN | B | 0.04% | |
| REX | D | 0.04% | |
| PUBM | F | 0.04% | |
| IRWD | F | 0.04% | |
| EE | B | 0.03% | |
| IDT | C | 0.03% | |
| ADV | F | 0.03% | |
| MCFT | F | 0.03% | |
| NR | F | 0.03% | |
| BVS | B | 0.03% | |
| CBL | D | 0.03% | |
| VIRC | D | 0.03% | |
| HRTX | D | 0.03% | |
| STGW | B | 0.03% | |
| CSV | D | 0.03% | |
| AGS | A | 0.03% | |
| HROW | B | 0.03% | |
| GDYN | B | 0.03% | |
| IRMD | B | 0.03% | |
| UHT | D | 0.03% | |
| NRC | F | 0.03% | |
| PETQ | A | 0.03% | |
| YMAB | C | 0.03% | |
| TPB | C | 0.03% | |
| TK | B | 0.03% | |
| CTO | D | 0.03% | |
| ALX | D | 0.03% | |
| CMPO | B | 0.02% | |
| SIGA | F | 0.02% | |
| HCKT | D | 0.02% | |
| APEI | F | 0.02% | |
| AXGN | C | 0.02% | |
| AMCX | F | 0.02% | |
| XPEL | D | 0.02% | |
| LILA | B | 0.02% | |
| DH | F | 0.02% | |
| EGHT | D | 0.01% | |
| AEYE | C | 0.01% |
PSC Underweight 93 Positions Relative to VAW
| Symbol | Grade | Weight | |
|---|---|---|---|
| LIN | C | -16.13% | |
| SHW | C | -6.24% | |
| ECL | C | -4.56% | |
| FCX | B | -4.46% | |
| APD | C | -4.35% | |
| NEM | C | -4.32% | |
| CTVA | A | -2.8% | |
| DOW | B | -2.64% | |
| NUE | D | -2.55% | |
| DD | C | -2.47% | |
| MLM | F | -2.31% | |
| VMC | D | -2.27% | |
| PPG | D | -2.13% | |
| IFF | D | -1.86% | |
| LYB | B | -1.8% | |
| SW | C | -1.73% | |
| BALL | C | -1.39% | |
| PKG | B | -1.32% | |
| STLD | C | -1.25% | |
| AVY | D | -1.25% | |
| AMCR | C | -1.16% | |
| RS | D | -1.15% | |
| IP | C | -1.12% | |
| CF | A | -1.07% | |
| RPM | A | -1.05% | |
| CE | D | -1.0% | |
| EMN | C | -0.84% | |
| CCK | C | -0.77% | |
| ATR | A | -0.71% | |
| ALB | D | -0.65% | |
| GPK | D | -0.65% | |
| MOS | F | -0.64% | |
| EXP | C | -0.61% | |
| X | F | -0.6% | |
| ATI | C | -0.56% | |
| AXTA | C | -0.56% | |
| FMC | C | -0.56% | |
| BERY | C | -0.55% | |
| AA | B | -0.53% | |
| RGLD | C | -0.48% | |
| CLF | D | -0.44% | |
| LPX | C | -0.44% | |
| ESI | C | -0.43% | |
| SON | D | -0.39% | |
| WLK | C | -0.39% | |
| OLN | D | -0.37% | |
| SEE | C | -0.36% | |
| SLGN | B | -0.31% | |
| AVNT | C | -0.31% | |
| ASH | F | -0.3% | |
| NEU | F | -0.29% | |
| HL | C | -0.25% | |
| HUN | B | -0.25% | |
| SMG | C | -0.21% | |
| CC | D | -0.2% | |
| AMR | F | -0.19% | |
| MTRN | F | -0.17% | |
| CDE | C | -0.17% | |
| ARCH | D | -0.16% | |
| OI | D | -0.14% | |
| ASPN | C | -0.13% | |
| TROX | D | -0.12% | |
| SCL | D | -0.12% | |
| MP | C | -0.11% | |
| NGVT | D | -0.1% | |
| OEC | F | -0.08% | |
| WS | D | -0.08% | |
| TRS | D | -0.07% | |
| MATV | F | -0.07% | |
| ASIX | A | -0.06% | |
| ECVT | F | -0.06% | |
| PCT | C | -0.05% | |
| SXC | F | -0.05% | |
| HAYN | B | -0.05% | |
| IE | D | -0.04% | |
| GATO | B | -0.04% | |
| CLW | F | -0.04% | |
| RYI | D | -0.04% | |
| LXU | C | -0.03% | |
| ZEUS | F | -0.03% | |
| RDUS | D | -0.03% | |
| MYE | F | -0.03% | |
| MERC | D | -0.02% | |
| IPI | D | -0.02% | |
| KRO | C | -0.02% | |
| PACK | F | -0.02% | |
| CMP | D | -0.02% | |
| TSE | C | -0.01% | |
| AVD | F | -0.01% | |
| PLL | D | -0.01% | |
| ORGN | C | -0.01% | |
| FEAM | F | -0.0% | |
| DNMR | D | -0.0% |
PSC: Top Represented Industries & Keywords
Industries:
Banks - Regional - US
Software - Application
Biotechnology
Medical Devices
Software - Infrastructure
Diversified Industrials
Drug Manufacturers - Specialty & Generic
Business Services
Specialty Chemicals
Building Materials
Diagnostics & Research
Oil & Gas Equipment & Services
Electronic Components
Engineering & Construction
Medical Instruments & Supplies
Residential Construction
Shipping & Ports
Auto Parts
Education & Training Services
Medical Care
VAW: Top Represented Industries & Keywords
Industries:
Specialty Chemicals
Packaging & Containers
Chemicals
Steel
Building Materials
Agricultural Inputs
Coal
Gold
Industrial Metals & Minerals
Metal Fabrication
Paper & Paper Products
Aluminum
Rubber & Plastics
Business Equipment
Conglomerates
Copper
Diversified Industrials
Other Industrial Metals & Mining
Other Precious Metals & Mining
Pollution & Treatment Controls
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